[Kernel-packages] [Bug 1798961] Re: Random unrecoverable freezes on Ubuntu 18.10

[Kai-Heng Feng]

Please perform a kernel bisection to find which commit introduces the
regression.

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Title:
  Random unrecoverable freezes on Ubuntu 18.10

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged
Status in linux source package in Disco:
  Triaged

Bug description:
  First thing I notice is that the mouse cursor freezes as I'm using it,
  then I hit the CAPS LOCK key and the LED indicator doesn't respond.
  Then I try the "REISUB" command, but it doesn't do anything either.
  Only a hard reset works, pressing down the power button for a few
  seconds.

  How to reproduce?
  I couldn't figure out a consistent method. It is still random to me.

  Version: Ubuntu 4.18.0-10.11-generic 4.18.12
  System information attached.

  Also happens under Arch Linux and Fedora.
  I've talked to another user on IRC who seems to be having the same freezes.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.18.0-10-generic 4.18.0-10.11
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  dsilva 1213 F pulseaudio
   /dev/snd/controlC0:  dsilva 1213 F pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Oct 20 09:54:50 2018
  InstallationDate: Installed on 2018-10-20 (0 days ago)
  InstallationMedia: Xubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 
(20181017.2)
  MachineType: Dell Inc. Inspiron 5458
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-10-generic 
root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-10-generic N/A
   linux-backports-modules-4.18.0-10-generic  N/A
   linux-firmware 1.175
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/02/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A15
  dmi.board.name: 09WGNT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA15:bd02/02/2018:svnDellInc.:pnInspiron5458:pvr01:rvnDellInc.:rn09WGNT:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Inspiron 5458
  dmi.product.sku: Inspiron 5458
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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[Kernel-packages] [Bug 1805105] Re: /proc/self/stack does not exist in kvm kernel, causing failures in kernel security test

[Po-Hsu Lin]

Yeah that would be another option for maintainer to decide. Not sure if
we will this debug feature for KVM kernels.

** Also affects: linux-kvm (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  /proc/self/stack does not exist in kvm kernel, causing failures in
  kernel security test

Status in QA Regression Testing:
  New
Status in ubuntu-kernel-tests:
  New
Status in linux-kvm package in Ubuntu:
  New

Bug description:
  Linux larry 4.18.0-1005-kvm #5-Ubuntu SMP Thu Nov 15 20:22:03 UTC 2018
  x86_64 x86_64 x86_64 GNU/Linux

  # ls /proc/self/stack
  ls: cannot access '/proc/self/stack': No such file or directory

  Thus:
  FAIL: test_095_kernel_symbols_missing_proc_self_stack 
(__main__.KernelSecurityTest)
  kernel addresses in /proc/self/stack are zeroed out
  --
  Traceback (most recent call last):
  File "./test-kernel-security.py", line 1352, in 
test_095_kernel_symbols_missing_proc_self_stack
  self._check_pK_files(self._095_kernel_symbols_missing_proc_self_stack, 
expected=expected)
  File "./test-kernel-security.py", line 1199, in _check_pK_files
  test_function(expected_restricted)
  File "./test-kernel-security.py", line 1296, in 
_095_kernel_symbols_missing_proc_self_stack
  '/proc/self/stack does not exist')
  AssertionError: /proc/self/stack does not exist

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[Kernel-packages] [Bug 1805344] [NEW] SRU: Fix kernel xhci hang when resume from S3

[AaronMa]

Public bug reported:

[Impact]
On some thinkpad laptops, Realtek USB3.0 Card Reader [0bda:0328] reports wrong 
port status on
Cannon lake PCH USB3.1 xHCI [8086:a36d] after resume from S3, then kernel hang.

[Fix]
Restrict the USB2 resume status check in USB2 roothub to fix hang issue.

[Test Case]
Suspend/resume 30 times OK.

[Regression Potential]
Low, upstream fix cherry-picked.

These 2 patches are already Cc: sta...@vger.kernel.org, cosmic and
future kernel will get these 2 patches.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
  SRU: Fix kernel xhci hang when resume from S3

Status in linux package in Ubuntu:
  New

Bug description:
  [Impact]
  On some thinkpad laptops, Realtek USB3.0 Card Reader [0bda:0328] reports 
wrong port status on
  Cannon lake PCH USB3.1 xHCI [8086:a36d] after resume from S3, then kernel 
hang.

  [Fix]
  Restrict the USB2 resume status check in USB2 roothub to fix hang issue.

  [Test Case]
  Suspend/resume 30 times OK.

  [Regression Potential]
  Low, upstream fix cherry-picked.

  These 2 patches are already Cc: sta...@vger.kernel.org, cosmic and
  future kernel will get these 2 patches.

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[Kernel-packages] [Bug 1804604] Re: SRU: Fix thinkpad 11e 3rd boot hang

[AaronMa]

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  SRU: Fix thinkpad 11e 3rd boot hang

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  New

Bug description:
  [Impact]
  ThinkPad 11e 3rd boot hang in systemd loading.

  [Fix]
  When boot case acpi_lpss_resume() get called without a corresponding 
acpi_lpss_suspend() having been called.
  Thus force setting the flag during boot.

  [Test Case]
  Tested on Thinkpad 11e 3rd.
  Booting successfully.

  [Regression Potential]
  Low,  upstream fix cherry-picked.

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[Kernel-packages] [Bug 1805151] Re: Desktop freeze running VirtualBox, Intel graphics

[Michael Thayer]

Does anyone know of anything similar or possibly interesting kernel
commits to look at before I spend too long bisecting?

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Title:
   Desktop freeze running VirtualBox, Intel graphics

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  This is identical to bug 1804885, but as requested I am filing this while 
running the standard Ubuntu kernel.  I will copy and paste my summary below.  
Updates since I created that bug:
   * This occurs with the mainline PPA 4.18.12-041812-generic kernel.
   * The glxinfo section I include below is identical with 4.18.0-11-generic 
(presumably no surprise).
   * I would appreciate a bit of hand-holding for bisecting this.  Does the 
kernel team have ready-built kernel packages for bisecting?  Or guidance about 
the fastest way of doing it (i.e. not rebuilding things which do not need to be 
rebuilt for successive rounds)?

  === Original report follows ===

  When I start a VirtualBox virtual machine (reproducible with the
  Ubuntu 18.04/VirtualBox 5.2.22 packages from virtualbox.org) with
  VMSVGA emulation and 3D pass-through enabled, my system hangs.
  Sometimes I can recover if I get to a VT fast enough to kill the
  process. Also, the OOM killer sometimes triggers and kills the process
  or gnome-shell, but the OOM killer entries in dmesg look like neither
  of the two are using excessive memory compared to available system
  RAM. When I switch to the Ubuntu drm-tip kernel packages from the
  kernel PPA the problem goes away. Debugging shows that the hang occurs
  during the first glXMakeCurrent call made by the application. It did
  not occur using the standard Ubuntu kernel but running the application
  under apitrace. I can provide the trace if that helps.

  Short extract from glxinfo running the 4.20 drm-tip kernel:

  Extended renderer info (GLX_MESA_query_renderer):
  Vendor: Intel Open Source Technology Center (0x8086)
  Device: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2) (0x5916)
  Version: 18.2.2
  Accelerated: yes
  Video memory: 3072MB
  Unified memory: yes
  Preferred profile: core (0x1)
  Max core profile version: 4.5
  Max compat profile version: 3.0
  Max GLES1 profile version: 1.1
  Max GLES[23] profile version: 3.2

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: xorg 1:7.7+19ubuntu8
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Uname: Linux 4.18.0-11-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
  CasperVersion: 1.399
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Nov 26 15:01:53 2018
  DistUpgraded: 2018-10-08 10:28:22,218 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA 
controller])
 Subsystem: Lenovo HD Graphics 620 [17aa:2245]
  InstallationDate: Installed on 2018-06-12 (166 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  MachineType: LENOVO 20HES0E73E
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-11-generic 
root=/dev/mapper/ubuntu--vg-root ro scsi_mod.use_blk_mq=1 quiet splash 
crashkernel=384M-:128M
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: Upgraded to cosmic on 2018-10-08 (49 days ago)
  dmi.bios.date: 09/13/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1QET78W (1.53 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20HES0E73E
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1QET78W(1.53):bd09/13/2018:svnLENOVO:pn20HES0E73E:pvrThinkPadT470:rvnLENOVO:rn20HES0E73E:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T470
  dmi.product.name: 20HES0E73E
  dmi.product.sku: LENOVO_MT_20HE_BU_Think_FM_ThinkPad T470
  dmi.product.version: ThinkPad T470
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.95-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.3-0~ubuntu18.10.1~ppa1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: 

[Kernel-packages] [Bug 1805085] Re: Fix and issue that LG I2C touchscreen stops working after reboot

[AceLan Kao]

** Tags added: originate-from-1802246 somerville

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Title:
  Fix and issue that LG I2C touchscreen stops working after reboot

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [Impact]
  LG I2C touchscreen stops working after reboot.

  [Fix]
  Disable runtime PM for the touchscreen, which doesn't work well with 
consecutive ON/SLEEP commands.

  [Test]
  The touchscreen works well after reboot, when runtime PM is disabled.

  [Regression Potential]
  None. This is a new device and the fix is limited to this particular device.

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[Kernel-packages] [Bug 1805152] Re: touchpad not working on 18.04

[lucian]

** Tags added: kernel-bug-exists-upstream

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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Title:
  touchpad not working on 18.04

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  hi,
  new laptop, new 18.04 installation on dual system

  touchpad had never worked under ubuntu - works ok under WIN10
  debug files attached

  thanks

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[Kernel-packages] [Bug 1787775] Re: touchpad not working on lenovo yoga 530

[Kai-Heng Feng]

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)

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Title:
  touchpad not working on lenovo yoga 530

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The touchpad is not working and does not show up in cat
  /proc/bus/input/devices on multiple kernels. I've tried the newest
  kernel to date (19.08.18) and a few others.

  The touchpad works on windows.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  InstallationDate: Installed on 2018-08-18 (0 days ago)
  InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64 
(20180731)
  Package: linux (not installed)
  Tags:  bionic
  Uname: Linux 4.18.3-041803-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: Upgraded to bionic on 2018-08-18 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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[Kernel-packages] [Bug 1776563] Re: Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

[Nikhil Gautam]

No, It is Acer Aspire A315-41 (without the discrete graphics) with Ryzen 2500u 
, Vega 8. 
(I mistakenly wrote the wrong model number ,  sorry)

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Title:
  Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't
  load, kernel freeze  (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

Status in amd:
  Fix Released
Status in Linux:
  Incomplete
Status in linux package in Ubuntu:
  Triaged
Status in linux-firmware package in Ubuntu:
  Confirmed

Bug description:
  CPU: Ryzen 5 2500U
  VGA: Radeon 535
  Notebook: Acer Aspire A315

  This is a brand new notebook on the market with Ryzen 5/Radeon. 
  The default kernel of Ubuntu(18.04) hangs at loading with message:

  tsc: Refined TSC clocksource calibration: 1996.250 MHz
  clocksource: tsc: mask: 0x max_cycles: (...), max_idle_ns: 
(...) 
  Soft lockup

  Using pci=noacpi kernel parameter kernel loads without any problem but
  my notebook produces more heat than on Win10. If I know right Acer
  notebooks need ACPI to the correct power management.

  The same thing happens on mainline 4.17,4.18rc1-2.
  BIOS upgrade to the latest version: 1.08 hasn't helped

  This problem has been reported upstream:
  https://bugzilla.kernel.org/show_bug.cgi?id=200087

  The latest correctly working kernel was 4.13.* but the heat problem
  was present with this too.

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[Kernel-packages] [Bug 1802283] Re: system freezes

[Kai-Heng Feng]

Use "journalctl -b -1" to get log from last boot (the crashed one).

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Title:
  system freezes

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  My system freezes once every second day or so.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.18.0-10-generic 4.18.0-10.11
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  jnns   2519 F pulseaudio
   /dev/snd/controlC0:  jnns   2519 F pulseaudio
  CurrentDesktop: GNOME
  Date: Thu Nov  8 12:07:32 2018
  HibernationDevice: RESUME=UUID=18edd09d-0a58-4464-accb-11ff57fc4327
  InstallationDate: Installed on 2018-08-05 (95 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  MachineType: LENOVO 20KGS5DU00
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=de_DE.UTF-8
   SHELL=/usr/bin/fish
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-10-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash mem_sleep_default=deep 
vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-10-generic N/A
   linux-backports-modules-4.18.0-10-generic  N/A
   linux-firmware 1.175
  SourcePackage: linux
  UpgradeStatus: Upgraded to cosmic on 2018-10-10 (29 days ago)
  dmi.bios.date: 09/17/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N23ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20KGS5DU00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN23ET56W(1.31):bd09/17/2018:svnLENOVO:pn20KGS5DU00:pvrThinkPadX1Carbon6th:rvnLENOVO:rn20KGS5DU00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad X1 Carbon 6th
  dmi.product.name: 20KGS5DU00
  dmi.product.sku: LENOVO_MT_20KG_BU_Think_FM_ThinkPad X1 Carbon 6th
  dmi.product.version: ThinkPad X1 Carbon 6th
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1802752] Re: linux-azure: 4.18.0-1005.5 -proposed tracker

[Brad Figg]

** Changed in: kernel-sru-workflow/promote-to-proposed
   Status: Fix Committed => Incomplete

** Description changed:

  This bug is for tracking the  upload package. This
  bug will contain status and testing results related to that upload.
  
  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1802743
  phase: Uploaded
  reason:
-   promote-to-proposed: Packages copies requested
+   promote-to-proposed: 'FAILED: Packages no longer available'

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Title:
  linux-azure: 4.18.0-1005.5 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  New
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Incomplete
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  New
Status in Kernel SRU Workflow security-signoff series:
  New
Status in Kernel SRU Workflow stakeholder-signoff series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  New
Status in linux-azure package in Ubuntu:
  Invalid
Status in linux-azure source package in Cosmic:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1802743
  phase: Uploaded
  reason:
promote-to-proposed: 'FAILED: Packages no longer available'

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[Kernel-packages] [Bug 1775717] Re: CPU/GPU Fans suddenly go 100% RPM on Asus ROG G752VT

[Kai-Heng Feng]

This could be a regression in thermald.

** Also affects: thermald (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  CPU/GPU Fans suddenly go 100% RPM on Asus ROG G752VT

Status in linux package in Ubuntu:
  Incomplete
Status in thermald package in Ubuntu:
  New

Bug description:
  After upgrading from Ubuntu 16.04 to 18.04, I've noticed that CPU and
  GPU fans suddenly go full throttle. It doesn't seem to depend on
  temperature, could happen when 32 °C reported, sometimes the laptop
  can work for day or two without this issue, but eventually it happens.
  The only way to stop fans is to power off the laptop, power on (fans
  go 100% at this point again), power off during BIOS splash screen and
  power on again. Seems to happen more often after waking up from a
  sleep.

  Things tried:

  Upgrading BIOS to latest available on ASUS site to the date of
  writing. No change.

  asus-fan kernel module (https://github.com/daringer/asus-fan). Detects
  both fans and shows correct speed in /sys/class/hwmon/*/fan{1,2}*, but
  does not seem to control it and does not prevent going full throttle.

  4.17.0 kernel from Ubuntu mainline builds. Doesn't seem to affect the
  issue.

  Userspace fan control software (https://github.com/hirschmann/nbfc).
  Can control speed of both fans to the point where they go full
  throttle, after that has no effect on them.

  ---
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  whale  3068 F pulseaudio
   /dev/snd/controlC0:  whale  3068 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  HibernationDevice: RESUME=UUID=ada9b595-bbf2-40a3-8575-5908492bb969
  InstallationDate: Installed on 2014-10-20 (1333 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64+mac 
(20140722.2)
  MachineType: ASUSTeK COMPUTER INC. G752VT
  NonfreeKernelModules: nvidia_modeset nvidia wl
  Package: linux (not installed)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-23-generic 
root=UUID=f6509d56-6183-464c-90bb-9c3be2c8abdf ro quiet splash 
acpi_backlight=vendor vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-23-generic N/A
   linux-backports-modules-4.15.0-23-generic  N/A
   linux-firmware 1.173.1
  Tags:  bionic
  Uname: Linux 4.15.0-23-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dip docker lpadmin plugdev sambashare sudo tty 
video
  _MarkForUpload: True
  dmi.bios.date: 06/29/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: G752VT.304
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: G752VT
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrG752VT.304:bd06/29/2017:svnASUSTeKCOMPUTERINC.:pnG752VT:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG752VT:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.family: G
  dmi.product.name: G752VT
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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[Kernel-packages] [Bug 1791427] Re: Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1 Carbon 6th

[AaronMa]

Hi All:

If you have updated touchpad fw,
Could you test your laptop with passing "psmouse.synaptics_intertouch=0" in 
kernel cmdline?

I have tested for several days without any issue.

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Title:
  Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1
  Carbon 6th

Status in linux package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 18.04.1

  Terminology in case we use different terms:
  touchpad - just the rectangular touch-sensitive surface below the keyboard 
(xinput lists it as Synaptics TM3288-011)
  trackpoint - the red thingy built into the keyboard + 3 physical buttons 
below the keyboard (trackpoint and buttons are integrated together; listed in 
xinput as TPPS/2 Elan TrackPoint)

  On September 7th, 2018, Lenovo has issued a BIOS update (v1.30), which
  enables proper S3 deep sleep state - users no longer have to patch
  DSDT tables to get it. It can be enabled in the BIOS settings. In X1
  carbon 6th generation models that have NFC, when laptop wakes from
  suspend by opening the lid, in most cases both touchpad and trackpoint
  stop working completely. They are also no longer listed when running
  xinput command. Sometimes just one of them stops working, usually the
  trackpoint. In some rare cases it is possible to bring them back by
  using these commands:

  echo -n none > /sys/devices/platform/i8042/serio1/drvctl
  echo -n reconnect > /sys/devices/platform/i8042/serio1/drvctl
  rmmod psmouse
  modprobe psmouse

  These worked properly when waking up from S2Idle sleep state (had
  these in a script that runs after waking the machine from suspend),
  but with S3 deep sleep these rarely work and the only way to bring
  back touchpad and/or trackpoint is turning off the machine and turning
  it on (restart does not help).

  I could not find any pattern that would show when the input devices
  stop working or start working again using the commands mentioned
  above. It's completely random from my perspective.

  This is happening on the standard issue 4.15.0-33-generic kernel that
  shipped with my Ubuntu 18.04 (with updates), as well as with newer
  mainline kernels, such as the newest point versions of 4.17, 4.18 and
  4.19 RC2.

  This happens regardless of whether "blacklist i2c_i801" is commented
  out in /etc/modprobe.d/blacklist.conf or not. It happens regardless of
  whether "psmouse.synaptics_intertouch=1" is passed as grub parameter.
  Presence of TLP does not make it better, nor worse.

  It appears that non-NFC models are not affected. I know at least one
  Arch Linux user who has the exact same model, but without this issue.
  I'm using synaptics driver (no libinput installed), he uses libinput
  and doesn't have synaptics, if that information is of any use.
  Libinput does not seem to help.

  This forum thread also has more details from users who updated their
  BIOS to get S3 suspend: https://forums.lenovo.com/t5/Linux-
  Discussion/X1-Carbon-Gen-6-cannot-enter-deep-sleep-S3-state-aka-
  Suspend-to/td-p/3998182/page/27

  Another related thread:
  https://bbs.archlinux.org/viewtopic.php?id=236367

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-33-generic 4.15.0-33.36
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   maciej 2651 F...m pulseaudio
   /dev/snd/controlC0:  maciej 2651 F pulseaudio
  CurrentDesktop: i3
  Date: Sat Sep  8 13:45:43 2018
  HibernationDevice: RESUME=UUID=3116dcb0-d91e-4b2a-8166-43b7a9a9d36e
  InstallationDate: Installed on 2018-07-21 (49 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 13d3:56b2 IMC Networks 
   Bus 001 Device 002: ID 04b4:0060 Cypress Semiconductor Corp. Wireless 
optical mouse
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20KH006KPB
  ProcFB:
   0 EFI VGA
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-33-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash psmouse.synaptics_intertouch=1 
vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-33-generic N/A
   linux-backports-modules-4.15.0-33-generic  N/A
   linux-firmware 1.173.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/31/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N23ET55W (1.30 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20KH006KPB
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.asset.tag: No Asset 

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Ubuntu Foundations Team Bug Bot]

** Tags added: patch

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Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was not an issue before the recent
  commit ae6935ed7d42 ("vmbus: split ring buffer allocation from open"),
  because at the beginning of vmbus_open() we checked newchannel->state so
  only one path c

[Kernel-packages] [Bug 1793901] Re: kernel oops in bcache module

[Launchpad Bug Tracker]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Expired

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Title:
  kernel oops in bcache module

Status in linux package in Ubuntu:
  Expired

Bug description:
  This was on an 18.04.1 install running the 4.15-34 generic kernel image, 
running from a normal ext4 root device.
  I had just a short while before created a new bcache device that was mounted 
but to which no data had been written yet. Then without any apparent particular 
reason, an apport error popped up to inform of a bcache kernel oops. Crash log 
was uploaded but no idea how to link it, so I attach it as well.
  Mostly I would like to know how concerned I should be as after a previous, 
successful test I wanted to move the whole install to bcache. Ideally, if this 
is a bug or similar, it would be nice if it could get fixed.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-34-generic 4.15.0-34.37
  ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
  Uname: Linux 4.15.0-34-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset 
nvidia
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Sep 22 18:20:22 2018
  HibernationDevice: RESUME=UUID=6bcbe7fa-85b7-4baf-9b69-0558a668bcdd
  InstallationDate: Installed on 2014-07-29 (1515 days ago)
  InstallationMedia: It
  IwConfig:
   zthnhe3w6d  no wireless extensions.
   
   eth1  no wireless extensions.
   
   lono wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-34-generic 
root=UUID=ebbab625-f14e-44ba-84d5-025ed92a5b2a ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-34-generic N/A
   linux-backports-modules-4.15.0-34-generic  N/A
   linux-firmware 1.173.1
  RfKill:
   0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to bionic on 2018-09-07 (15 days ago)
  dmi.bios.date: 10/22/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0604
  dmi.board.asset.tag: Default string
  dmi.board.name: H170I-PLUS D3
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr0604:bd10/22/2015:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170I-PLUSD3:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: Default string
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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[Kernel-packages] [Bug 1793508] Re: no matching swap device at initramfs

[Launchpad Bug Tracker]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Expired

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Title:
  no matching swap device at initramfs

Status in linux package in Ubuntu:
  Expired

Bug description:
  This is the result of a well-known - wrong - behaviour.

  It happened to me with the upgrade from 16.04 to 18.04. Google gives plenty 
of help, unambiguously. 
  Like 
  
https://www.kubuntuforums.net/showthread.php/72993-initramfs-tools-looking-for-non-existant-swap-partition
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=861151
  
https://askubuntu.com/questions/1060917/from-swap-partition-to-swap-file-now-get-no-matching-swap-devide-is-available
  and many more. 

  However, I couldn't find a bug report for it. It struck me at the upgrade 
from kubuntu 16.04 to 18.04. I have now done what was suggested elsewhere. Yet, 
I could not find a real explanation nor a bug report. In my case, like in many 
of those, the UUID for resume was kind of 'out of the blue'. And once changed 
to the real UUID for the swap device, everything is fine. 
  However, I am not happy with a situation like that. Many a user that we tried 
over the last 20 years to adopt Linux as main OS will not want to search Google 
for this bug, and will not want to vi (or similar) some system file.
  Therefore I take the liberty to report this. From the dates of the posts, it 
seems that this bug has been lingering for quite some time, Wouldn't it be the 
right moment to prevent it from striking again?
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/pcmC0D8p:   udippel3274 F...m pulseaudio
   /dev/snd/controlC0:  udippel3274 F pulseaudio
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 18.04
  HibernationDevice: RESUME=UUID=e0d4bc2a-197e-4934-9a9b-70c57cdf4fa8
  InstallationDate: Installed on 2012-07-29 (2244 days ago)
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120423)
  MachineType: LENOVO 2904FXG
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-34-generic 
root=UUID=5f392269-154d-4ccc-bc24-920438d4651c ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-34-generic N/A
   linux-backports-modules-4.15.0-34-generic  N/A
   linux-firmware 1.173.1
  Tags:  bionic
  Uname: Linux 4.15.0-34-generic x86_64
  UpgradeStatus: Upgraded to bionic on 2018-08-16 (35 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  WifiSyslog:
   
  _MarkForUpload: True
  dmi.bios.date: 10/11/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6UET70WW (1.50 )
  dmi.board.name: 2904FXG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr6UET70WW(1.50):bd10/11/2012:svnLENOVO:pn2904FXG:pvrThinkPadT410s:rvnLENOVO:rn2904FXG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad T410s
  dmi.product.name: 2904FXG
  dmi.product.version: ThinkPad T410s
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1794378] Re: package linux-image-4.4.0-135-generic (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 128

[Launchpad Bug Tracker]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Expired

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Title:
  package linux-image-4.4.0-135-generic (not installed) failed to
  install/upgrade: subprocess new pre-installation script returned error
  exit status 128

Status in linux package in Ubuntu:
  Expired

Bug description:
  Automatic update failed to install package.

  jedi@jedi-T520:~$ cat version.log
  Ubuntu 4.4.0-130.156-generic 4.4.134

  submitted report via  ubuntu-bug linux

  How to fix the problem? 
  Thanks

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-135-generic (not installed)
  ProcVersionSignature: Ubuntu 4.4.0-130.156-generic 4.4.134
  Uname: Linux 4.4.0-130-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   jedi   2074 F...m pulseaudio
   /dev/snd/controlC0:  jedi   2074 F pulseaudio
  Date: Tue Sep 25 14:06:53 2018
  ErrorMessage: subprocess new pre-installation script returned error exit 
status 128
  HibernationDevice: RESUME=UUID=08d0c2fa-db9e-4067-b6a0-e8c3ae7dcdce
  InstallationDate: Installed on 2016-08-30 (756 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  Lsusb:
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 4243CP8
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-130-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions: grub-pc 2.02~beta2-36ubuntu3.18
  SourcePackage: linux
  Title: package linux-image-4.4.0-135-generic (not installed) failed to 
install/upgrade: subprocess new pre-installation script returned error exit 
status 128
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/02/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8AET54WW (1.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4243CP8
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr8AET54WW(1.34):bd11/02/2011:svnLENOVO:pn4243CP8:pvrThinkPadT520:rvnLENOVO:rn4243CP8:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4243CP8
  dmi.product.version: ThinkPad T520
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1805142] Re: Driver Bugs on LenovoMiix320

[zqm]

i tried it, it says missing firmware for i915 during installation, no
video output.

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Title:
  Driver Bugs on LenovoMiix320

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Audio: Need this patch: 
https://github.com/stockmind/gpd-pocket-ubuntu-respin/tree/master/audio
  Power: doesn't work since ubuntu 16.04.3 with kernel 4.10.28
  Camera and Rotate sensor: not working
  Display: Wrong rotation by default
  Backlight: Screen become black after starting backlight-related service on 
boot.
  WLAN: Cannot enable again after disabled, when i execute "ifconfig wlp1s0 
up", it says RFKILL

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-39-generic 4.15.0-39.42
  ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
  Uname: Linux 4.15.0-39-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  gdm2102 F pulseaudio
zqm3310 F pulseaudio
   /dev/snd/controlC0:  gdm2102 F pulseaudio
zqm3310 F pulseaudio
  Date: Mon Nov 26 20:41:44 2018
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
   Bus 001 Device 004: ID 048d:8911 Integrated Technology Express, Inc. 
   Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 80XF
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-39-generic 
root=UUID=13b55676-8f94-42b0-83d1-883ad6f8d2a3 ro fbcon=rotate:1
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-39-generic N/A
   linux-backports-modules-4.15.0-39-generic  N/A
   linux-firmware 1.173.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/20/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 5HCN37WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0K09938WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 32
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo MIIX 320-10ICR
  dmi.modalias: 
dmi:bvnLENOVO:bvr5HCN37WW:bd03/20/2018:svnLENOVO:pn80XF:pvrLenovoMIIX320-10ICR:rvnLENOVO:rnLNVNB161216:rvrSDK0K09938WIN:cvnLENOVO:ct32:cvrLenovoMIIX320-10ICR:
  dmi.product.family: MIIX 320-10ICR
  dmi.product.name: 80XF
  dmi.product.version: Lenovo MIIX 320-10ICR
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1805148] Re: Lock screen corrupt since upgrade to 18.04.01

[Daniel van Vugt]

Thanks. Unfortunately that didn't attach everything I was thinking of.
Can you please also:

1. Run 'lspci -k' and attach the output.

2. Run 'dpkg -l > allpackages.txt' and attach the file
'allpackages.txt'.


** Summary changed:

- Lock screen corrupt since upgrade to 18.04.01
+ [i945] Lock screen corrupt since upgrade to 18.04.01

** Also affects: mesa (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: mesa (Ubuntu)
   Status: New => Incomplete

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu)
   Status: New => Incomplete

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Title:
  [i945] Lock screen corrupt since upgrade to 18.04.01

Status in gnome-shell package in Ubuntu:
  Incomplete
Status in linux package in Ubuntu:
  Incomplete
Status in mesa package in Ubuntu:
  Incomplete

Bug description:
  Immediately after upgrade to 18.04.01 from 16.04.01, the lock screen of this 
laptop (an HP 6910p) became corrupt. When logged in and using the system, video 
display is fine, but the lock screen is consistently garbled as in the attached 
photo. Switching to Wayland made no difference in this behavior.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  DisplayManager: gdm3
  DistroRelease: Ubuntu 18.04
  GsettingsChanges:
   b'org.gnome.shell' b'favorite-apps' redacted by apport
   b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
  InstallationDate: Installed on 2016-01-23 (1038 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  Package: gnome-shell 3.28.3-0ubuntu0.18.04.3
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
  Tags:  bionic wayland-session
  Uname: Linux 4.15.0-39-generic x86_64
  UpgradeStatus: Upgraded to bionic on 2018-08-14 (104 days ago)
  UserGroups: adm cdrom dip lpadmin netdev plugdev sambashare sudo
  _MarkForUpload: True

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[Kernel-packages] [Bug 1791427] Re: Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1 Carbon 6th

[ALinuxUser]

I have yet to play roulette with the update - I installed it, but have
not tried to enable S3 yet. As I said in am email that seems not to have
reached this page: it is unclear that this BIOS update will help; the
release notes (such as they are) do not suggest it will.

While I am here, and might have someone's ear: as I and other have said
elsewhere before: that internal beeping during BIOS updates *HAS GOT TO
STOP*. I had to swadle my ThinkPad in a blanket; and that irregular
cacophany of beeps would be of no help in diagnosing any problem. I
complained about this to the 'managed support' and in their innocence
they had no idea what I was talking about. TURN IT OFF. Really: STOP IT
NOW. It is stupid and deeply irritating and no-one seems to care.

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Title:
  Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1
  Carbon 6th

Status in linux package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 18.04.1

  Terminology in case we use different terms:
  touchpad - just the rectangular touch-sensitive surface below the keyboard 
(xinput lists it as Synaptics TM3288-011)
  trackpoint - the red thingy built into the keyboard + 3 physical buttons 
below the keyboard (trackpoint and buttons are integrated together; listed in 
xinput as TPPS/2 Elan TrackPoint)

  On September 7th, 2018, Lenovo has issued a BIOS update (v1.30), which
  enables proper S3 deep sleep state - users no longer have to patch
  DSDT tables to get it. It can be enabled in the BIOS settings. In X1
  carbon 6th generation models that have NFC, when laptop wakes from
  suspend by opening the lid, in most cases both touchpad and trackpoint
  stop working completely. They are also no longer listed when running
  xinput command. Sometimes just one of them stops working, usually the
  trackpoint. In some rare cases it is possible to bring them back by
  using these commands:

  echo -n none > /sys/devices/platform/i8042/serio1/drvctl
  echo -n reconnect > /sys/devices/platform/i8042/serio1/drvctl
  rmmod psmouse
  modprobe psmouse

  These worked properly when waking up from S2Idle sleep state (had
  these in a script that runs after waking the machine from suspend),
  but with S3 deep sleep these rarely work and the only way to bring
  back touchpad and/or trackpoint is turning off the machine and turning
  it on (restart does not help).

  I could not find any pattern that would show when the input devices
  stop working or start working again using the commands mentioned
  above. It's completely random from my perspective.

  This is happening on the standard issue 4.15.0-33-generic kernel that
  shipped with my Ubuntu 18.04 (with updates), as well as with newer
  mainline kernels, such as the newest point versions of 4.17, 4.18 and
  4.19 RC2.

  This happens regardless of whether "blacklist i2c_i801" is commented
  out in /etc/modprobe.d/blacklist.conf or not. It happens regardless of
  whether "psmouse.synaptics_intertouch=1" is passed as grub parameter.
  Presence of TLP does not make it better, nor worse.

  It appears that non-NFC models are not affected. I know at least one
  Arch Linux user who has the exact same model, but without this issue.
  I'm using synaptics driver (no libinput installed), he uses libinput
  and doesn't have synaptics, if that information is of any use.
  Libinput does not seem to help.

  This forum thread also has more details from users who updated their
  BIOS to get S3 suspend: https://forums.lenovo.com/t5/Linux-
  Discussion/X1-Carbon-Gen-6-cannot-enter-deep-sleep-S3-state-aka-
  Suspend-to/td-p/3998182/page/27

  Another related thread:
  https://bbs.archlinux.org/viewtopic.php?id=236367

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-33-generic 4.15.0-33.36
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   maciej 2651 F...m pulseaudio
   /dev/snd/controlC0:  maciej 2651 F pulseaudio
  CurrentDesktop: i3
  Date: Sat Sep  8 13:45:43 2018
  HibernationDevice: RESUME=UUID=3116dcb0-d91e-4b2a-8166-43b7a9a9d36e
  InstallationDate: Installed on 2018-07-21 (49 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 13d3:56b2 IMC Networks 
   Bus 001 Device 002: ID 04b4:0060 Cypress Semiconductor Corp. Wireless 
optical mouse
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20KH006KPB
  ProcFB:
   0 EFI VGA
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-33-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet 

[Kernel-packages] [Bug 1805079] Re: click/pop noise in the headphone on several lenovo laptops

[Anthony Wong]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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Title:
  click/pop noise in the headphone on several lenovo laptops

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  [Impact]
  Lenovo told us that some linux uers reported headphone noise on Lenovo's
  website. After investigating, we found those Lenovo laptop mdoels all
  have the codec of alc285, and we can reproduce the noise problem too.

  [Fix]
  Don't use the DAC of headphone, let headphone share the DAC with speaker,
  the noise disappears.

  [Test Case]
  After applying this patch, we tested on Lenovo P52, P72, X1 carbon and X1
  Yoda2, no noise anymore

  [Regression Potential]
  Low. This patch only apply to several lenovo machines, and after applying
  this patch, both speaker and headphone still work very well.

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[Kernel-packages] [Bug 1805079] Re: click/pop noise in the headphone on several lenovo laptops

[Hui Wang]

hwang4@hwang4-Inspiron-7520:~/work/mainline/alsa/sound$ git show 
c4cfcf6f4297c9256b53790bacbbbd6901fef468
commit c4cfcf6f4297c9256b53790bacbbbd6901fef468 (origin/for-linus)
Author: Hui Wang 
Date:   Mon Nov 26 14:17:16 2018 +0800

ALSA: hda/realtek - fix the pop noise on headphone for lenovo laptops

We have several Lenovo laptops with the codec alc285, when playing
sound via headphone, we can hear click/pop noise in the headphone,
if we let the headphone share the DAC of NID 0x2 with the speaker,
the noise disappears.

The Lenovo laptops here include P52, P72, X1 yoda2 and X1 carbon.

I have tried to set preferred_dacs and override_conn, but neither of
them worked. Thanks for Kailang, he told me to invalidate the NID 0x3
through override_wcaps.

BugLink: https://bugs.launchpad.net/bugs/1805079
Cc: 
Signed-off-by: Kailang Yang 
Signed-off-by: Hui Wang 
Signed-off-by: Takashi Iwai 

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 1118fd1bbf1a..e66da22272fd 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5358,6 +5358,16 @@ static void alc274_fixup_bind_dacs(struct hda_codec 
*codec,
spec->gen.preferred_dacs = preferred_pairs;
 }
 
+/* The DAC of NID 0x3 will introduce click/pop noise on headphones, so 
invalidate it */
+static void alc285_fixup_invalidate_dacs(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+   if (action != HDA_FIXUP_ACT_PRE_PROBE)
+   return;
+
+   snd_hda_override_wcaps(codec, 0x03, 0);
+}
+
 /* for hda_fixup_thinkpad_acpi() */
 #include "thinkpad_helper.c"
 
@@ -5495,6 +5505,7 @@ enum {
ALC255_FIXUP_DELL_HEADSET_MIC,
ALC295_FIXUP_HP_X360,
ALC221_FIXUP_HP_HEADSET_MIC,
+   ALC285_FIXUP_LENOVO_HEADPHONE_NOISE,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -6362,6 +6373,10 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC269_FIXUP_HEADSET_MIC
},
+   [ALC285_FIXUP_LENOVO_HEADPHONE_NOISE] = {
+   .type = HDA_FIXUP_FUNC,
+   .v.func = alc285_fixup_invalidate_dacs,
+   },
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7035,6 +7050,11 @@ static const struct snd_hda_pin_quirk 
alc269_pin_fixup_tbl[] = {
{0x12, 0x90a60130},
{0x19, 0x03a11020},
{0x21, 0x0321101f}),
+   SND_HDA_PIN_QUIRK(0x10ec0285, 0x17aa, "Lenovo", 
ALC285_FIXUP_LENOVO_HEADPHONE_NOISE,
+   {0x12, 0x90a60130},
+   {0x14, 0x90170110},
+   {0x19, 0x04a11040},
+   {0x21, 0x04211020}),
SND_HDA_PIN_QUIRK(0x10ec0288, 0x1028, "Dell", 
ALC288_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x12, 0x90a60120},
{0x14, 0x90170110},


** Description changed:

- These laptops all have the codec of alc285.
+ [Impact]
+ Lenovo told us that some linux uers reported headphone noise on Lenovo's
+ website. After investigating, we found those Lenovo laptop mdoels all
+ have the codec of alc285, and we can reproduce the noise problem too.
  
- reproduced by:
+ [Fix]
+ Don't use the DAC of headphone, let headphone share the DAC with speaker,
+ the noise disappears.
  
- 1. Hookup a set of headphones that you can separately place
- in/on your ears. (ie. ear buds)
+ [Test Case]
+ After applying this patch, we tested on Lenovo P52, P72, X1 carbon and X1
+ Yoda2, no noise anymore
  
- 2. Put only the right headphone in/on your ear.
- 
- 3. Go to the Gnome sound settings and bring up the "Test
- Speakers" function
- 
- 4. Play the left speaker test
- 
- You would expect to hear nothing in the right ear, but instead
- you hear a "pop" at the start of each word spoken. ("pop"
- Front "pop" left). You can repeat with the left headphone and
- see similar results. I even tried shifting the balance all the
- way to the left/right and get the same results.
- 
- So one problem appears to be when the headphone jack is
- initially sent audio, it causes a "pop" in the headphone jack.
+ [Regression Potential]
+ Low. This patch only apply to several lenovo machines, and after applying
+ this patch, both speaker and headphone still work very well.

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Title:
  click/pop noise in the headphone on several lenovo laptops

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [Impact]
  Lenovo told us that some linux uers reported headphone noise on Lenovo's
  website. After investigating, we found those Lenovo laptop mdoels all
  have the codec of alc285, and we can reproduce the noise problem too.

[Kernel-packages] [Bug 1784665] Re: mkfs.ext4 over /dev/bcache0 hangs

[Joseph Salisbury]

Can you confirm that v4.15-rc6 does not exhibit the bug?  That will
ensure I'm reviewing the correct commits:

http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15-rc6/

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Title:
  mkfs.ext4 over /dev/bcache0 hangs

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress
Status in linux source package in Cosmic:
  In Progress

Bug description:
  $ cat /proc/version_signature 
  Ubuntu 4.15.0-29.31-generic 4.15.18

  $ lsb_release -rd
  Description:  Ubuntu Cosmic Cuttlefish (development branch)
  Release:  18.10

  $ apt-cache policy linux-image-`uname -r`
  linux-image-4.15.0-29-generic:
Installed: 4.15.0-29.31
Candidate: 4.15.0-29.31
Version table:
   *** 4.15.0-29.31 500
  500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages
  100 /var/lib/dpkg/status

  
  3) mkfs.ext4 /dev/bcache0 returns successful creating an ext4 filesystem on 
top of a bcache device

  4) mkfs.ext4 doesn't return and kernel prints hung process info

  [   58.018099] cloud-init[920]: Running command ['mkfs.ext4', '-F', '-L', 
'root-fs', '-U', 'f01aec97-9457-11e8-b8d6-525400123401', '/dev/bcache0'] with 
allowed return codes [0] (capture=True)
  [  242.652018] INFO: task kworker/u4:0:5 blocked for more than 120 seconds.
  [  242.653767]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.655391] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.657397] INFO: task kworker/0:2:410 blocked for more than 120 seconds.
  [  242.659126]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.660980] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.663000] INFO: task bcache_allocato:2326 blocked for more than 120 
seconds.
  [  242.664807]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.666516] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.668503] INFO: task bcache_writebac:2345 blocked for more than 120 
seconds.
  [  242.670301]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.671936] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.673909] INFO: task mkfs.ext4:2803 blocked for more than 120 seconds.
  [  242.675414]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.677038] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.483998] INFO: task kworker/u4:0:5 blocked for more than 120 seconds.
  [  363.488441]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.489598] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.491043] INFO: task kworker/0:2:410 blocked for more than 120 seconds.
  [  363.492252]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.494085] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.495659] INFO: task bcache_allocato:2326 blocked for more than 120 
seconds.
  [  363.496957]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.498454] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.499866] INFO: task bcache_writebac:2345 blocked for more than 120 
seconds.
  [  363.501156]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.502597] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.504048] INFO: task mkfs.ext4:2803 blocked for more than 120 seconds.
  [  363.505505]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.506677] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

  
  System has two virtio block devices.  bcache was created like so:

  make-bcache -C /dev/vdb
  make-bcache -B /dev/vda2

  resulting in /dev/bcache0

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.15.0-29-generic 4.15.0-29.31
  ProcVersionSignature: User Name 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  AlsaDevices:
   total 0
   crw-rw 1 root audio 116,  1 Jul 31 15:52 seq
   crw-rw 1 root audio 116, 33 Jul 31 15:52 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.10-0ubuntu7
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 
'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  CRDA: N/A
  Date: Tue Jul 31 15:53:56 2018
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  PciMultimedia:

[Kernel-packages] [Bug 1803752] Status changed to Confirmed

[Ubuntu Kernel Bot]

This change was made by a bot.

** Changed in: linux (Ubuntu)
   Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1803752

Title:
  HID inputs (mouse buttons and keyboard) stop responding when plug in
  DP monitor

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ever since upgrading to 18.10 plugging in external monitors has been
  buggy.

  Device Lenovo T460s. Ubuntu-Mate 18.10.

  Plugging in External monitor using mini-display port causes keyboard
  to be unresponsive. Mouse buttons as well. though can still move mouse
  on screen. Plugging in and out using arndr sometimes resolves this.
  Notwithstanding, no smooth transition to multi-monitor mode.

  
  EDIT: 2018-11-22 // The problems are not observed when using HDMI instead of 
mini display-port. Moreover, if one can regain control of HID devices when mini 
DP plugged in, the resolution of the monitor plugged in is completely wrong. 

  
  ---
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  CompizPlugins:
   (gconftool-2:31954): GConf-WARNING **: 21:41:20.841: Client failed to 
connect to the D-BUS daemon:
   Did not receive a reply. Possible causes include: the remote application did 
not send a reply, the message bus security policy blocked the reply, the reply 
timeout expired, or the network connection was broken.
   Failed to get value for 
`/apps/compiz-1/general/screen0/options/active_plugins': No D-BUS daemon running
  CompositorRunning: None
  CurrentDesktop: MATE
  DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroRelease: Ubuntu 18.10
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) 
(prog-if 00 [VGA controller])
     Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
  InstallationDate: Installed on 2016-07-23 (848 days ago)
  InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  LightdmDisplayLog:
   (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
   (II) AIGLX: Suspending AIGLX clients for VT switch
   (II) AIGLX: Suspending AIGLX clients for VT switch
   (II) AIGLX: Suspending AIGLX clients for VT switch
  MachineType: LENOVO 20F9004FUS
  Package: xorg-server (not installed)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic 
root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Tags:  cosmic ubuntu
  Uname: Linux 4.18.0-11-generic x86_64
  UpgradeStatus: Upgraded to cosmic on 2018-10-18 (32 days ago)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 03/22/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1CET66W (1.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20F9004FUS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40705 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20F9004FUS:pvrThinkPadT460s:rvnLENOVO:rn20F9004FUS:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T460s
  dmi.product.name: 20F9004FUS
  dmi.product.sku: LENOVO_MT_20F9_BU_Think_FM_ThinkPad T460s
  dmi.product.version: ThinkPad T460s
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.13.1+18.10.20180930-0ubuntu1
  version.libdrm2: libdrm2 2.4.95-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3
  ---
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: MATE
  DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroRelease: Ubuntu 18.10
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 4.18.0-10-generic, x86_64: installed
   acpi-call, 1.1.0, 4.18.0-11-generic, x86_64: installed
   virtualbox, 5.2.18, 4.18.0-10-generic, x86_64: installed
   virtualbox, 5.2.18, 4.18.0-11-generic, x86_64: installed
   wireguard, 0.0.20181119, 4.18.0-11-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) 

[Kernel-packages] [Bug 1805151] Status changed to Confirmed

[Ubuntu Kernel Bot]

This change was made by a bot.

** Changed in: linux (Ubuntu)
   Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1805151

Title:
   Desktop freeze running VirtualBox, Intel graphics

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  This is identical to bug 1804885, but as requested I am filing this while 
running the standard Ubuntu kernel.  I will copy and paste my summary below.  
Updates since I created that bug:
   * This occurs with the mainline PPA 4.18.12-041812-generic kernel.
   * The glxinfo section I include below is identical with 4.18.0-11-generic 
(presumably no surprise).
   * I would appreciate a bit of hand-holding for bisecting this.  Does the 
kernel team have ready-built kernel packages for bisecting?  Or guidance about 
the fastest way of doing it (i.e. not rebuilding things which do not need to be 
rebuilt for successive rounds)?

  === Original report follows ===

  When I start a VirtualBox virtual machine (reproducible with the
  Ubuntu 18.04/VirtualBox 5.2.22 packages from virtualbox.org) with
  VMSVGA emulation and 3D pass-through enabled, my system hangs.
  Sometimes I can recover if I get to a VT fast enough to kill the
  process. Also, the OOM killer sometimes triggers and kills the process
  or gnome-shell, but the OOM killer entries in dmesg look like neither
  of the two are using excessive memory compared to available system
  RAM. When I switch to the Ubuntu drm-tip kernel packages from the
  kernel PPA the problem goes away. Debugging shows that the hang occurs
  during the first glXMakeCurrent call made by the application. It did
  not occur using the standard Ubuntu kernel but running the application
  under apitrace. I can provide the trace if that helps.

  Short extract from glxinfo running the 4.20 drm-tip kernel:

  Extended renderer info (GLX_MESA_query_renderer):
  Vendor: Intel Open Source Technology Center (0x8086)
  Device: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2) (0x5916)
  Version: 18.2.2
  Accelerated: yes
  Video memory: 3072MB
  Unified memory: yes
  Preferred profile: core (0x1)
  Max core profile version: 4.5
  Max compat profile version: 3.0
  Max GLES1 profile version: 1.1
  Max GLES[23] profile version: 3.2

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: xorg 1:7.7+19ubuntu8
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Uname: Linux 4.18.0-11-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
  CasperVersion: 1.399
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Nov 26 15:01:53 2018
  DistUpgraded: 2018-10-08 10:28:22,218 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA 
controller])
 Subsystem: Lenovo HD Graphics 620 [17aa:2245]
  InstallationDate: Installed on 2018-06-12 (166 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  MachineType: LENOVO 20HES0E73E
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-11-generic 
root=/dev/mapper/ubuntu--vg-root ro scsi_mod.use_blk_mq=1 quiet splash 
crashkernel=384M-:128M
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: Upgraded to cosmic on 2018-10-08 (49 days ago)
  dmi.bios.date: 09/13/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1QET78W (1.53 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20HES0E73E
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1QET78W(1.53):bd09/13/2018:svnLENOVO:pn20HES0E73E:pvrThinkPadT470:rvnLENOVO:rn20HES0E73E:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T470
  dmi.product.name: 20HES0E73E
  dmi.product.sku: LENOVO_MT_20HE_BU_Think_FM_ThinkPad T470
  dmi.product.version: ThinkPad T470
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.95-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.3-0~ubuntu18.10.1~ppa1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 

[Kernel-packages] [Bug 1805151] Re: Desktop freeze running VirtualBox, Intel graphics

[Daniel van Vugt]

** Package changed: xorg (Ubuntu) => linux (Ubuntu)

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1805151

Title:
   Desktop freeze running VirtualBox, Intel graphics

Status in linux package in Ubuntu:
  New

Bug description:
  This is identical to bug 1804885, but as requested I am filing this while 
running the standard Ubuntu kernel.  I will copy and paste my summary below.  
Updates since I created that bug:
   * This occurs with the mainline PPA 4.18.12-041812-generic kernel.
   * The glxinfo section I include below is identical with 4.18.0-11-generic 
(presumably no surprise).
   * I would appreciate a bit of hand-holding for bisecting this.  Does the 
kernel team have ready-built kernel packages for bisecting?  Or guidance about 
the fastest way of doing it (i.e. not rebuilding things which do not need to be 
rebuilt for successive rounds)?

  === Original report follows ===

  When I start a VirtualBox virtual machine (reproducible with the
  Ubuntu 18.04/VirtualBox 5.2.22 packages from virtualbox.org) with
  VMSVGA emulation and 3D pass-through enabled, my system hangs.
  Sometimes I can recover if I get to a VT fast enough to kill the
  process. Also, the OOM killer sometimes triggers and kills the process
  or gnome-shell, but the OOM killer entries in dmesg look like neither
  of the two are using excessive memory compared to available system
  RAM. When I switch to the Ubuntu drm-tip kernel packages from the
  kernel PPA the problem goes away. Debugging shows that the hang occurs
  during the first glXMakeCurrent call made by the application. It did
  not occur using the standard Ubuntu kernel but running the application
  under apitrace. I can provide the trace if that helps.

  Short extract from glxinfo running the 4.20 drm-tip kernel:

  Extended renderer info (GLX_MESA_query_renderer):
  Vendor: Intel Open Source Technology Center (0x8086)
  Device: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2) (0x5916)
  Version: 18.2.2
  Accelerated: yes
  Video memory: 3072MB
  Unified memory: yes
  Preferred profile: core (0x1)
  Max core profile version: 4.5
  Max compat profile version: 3.0
  Max GLES1 profile version: 1.1
  Max GLES[23] profile version: 3.2

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: xorg 1:7.7+19ubuntu8
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Uname: Linux 4.18.0-11-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
  CasperVersion: 1.399
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Nov 26 15:01:53 2018
  DistUpgraded: 2018-10-08 10:28:22,218 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA 
controller])
 Subsystem: Lenovo HD Graphics 620 [17aa:2245]
  InstallationDate: Installed on 2018-06-12 (166 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  MachineType: LENOVO 20HES0E73E
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-11-generic 
root=/dev/mapper/ubuntu--vg-root ro scsi_mod.use_blk_mq=1 quiet splash 
crashkernel=384M-:128M
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: Upgraded to cosmic on 2018-10-08 (49 days ago)
  dmi.bios.date: 09/13/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1QET78W (1.53 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20HES0E73E
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1QET78W(1.53):bd09/13/2018:svnLENOVO:pn20HES0E73E:pvrThinkPadT470:rvnLENOVO:rn20HES0E73E:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T470
  dmi.product.name: 20HES0E73E
  dmi.product.sku: LENOVO_MT_20HE_BU_Think_FM_ThinkPad T470
  dmi.product.version: ThinkPad T470
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.95-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.3-0~ubuntu18.10.1~ppa1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
  version.xserver-xorg-video-intel: 

[Kernel-packages] [Bug 1801747] Re: External display not recognized, internal one goes to black

[Daniel van Vugt]

** Changed in: gdm3 (Ubuntu)
   Status: Incomplete => Fix Released

** Changed in: linux (Ubuntu)
   Status: Incomplete => Fix Released

** Changed in: xorg-server (Ubuntu)
   Status: Incomplete => Fix Released

-- 
You received this bug notification because you are a member of Kernel
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Title:
  External display not recognized, internal one goes to black

Status in gdm3 package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in xorg-server package in Ubuntu:
  Fix Released

Bug description:
  Hi,

  I have 10 notebooks HP 1410s on which I replace XP/Vista with Ubuntu
  18.04.1 I face a problem on ALL of them, as soon as I connect an
  external screen, doesn't matter VGA or HDMI, the internal screen goes
  black, only mouse icon is their, blinking from time to time but
  reacting. External screen does show nothing but there is no "no
  signal" info what means that source is recognized.

  As soon as I release the video cable from external display, the
  internal one come back to live after few seconds. The BIOS was updated
  to latest available.

  Daniel

  tootai@hirondelle:~$ lsb_release -rd
  Description:  Ubuntu 18.04.1 LTS
  Release:  18.04

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xorg 1:7.7+19ubuntu7.1
  ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
  Uname: Linux 4.15.0-36-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7.4
  Architecture: amd64
  CompositorRunning: None
  Date: Mon Nov  5 16:30:38 2018
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  DkmsStatus:
   bcmwl, 6.30.223.271+bdcom, 4.15.0-29-generic, x86_64: installed
   bcmwl, 6.30.223.271+bdcom, 4.15.0-36-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller 
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
 Subsystem: Hewlett-Packard Company Mobile 4 Series Chipset Integrated 
Graphics Controller [103c:3072]
 Subsystem: Hewlett-Packard Company Mobile 4 Series Chipset Integrated 
Graphics Controller [103c:3072]
  InstallationDate: Installed on 2018-10-19 (17 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  MachineType: Hewlett-Packard HP ProBook 4510s
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-36-generic 
root=UUID=6ddf18e3-f14e-4d1c-b2fd-ae58c6f697ed ro quiet splash vt.handoff=1
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/02/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PZI Ver. F.18
  dmi.board.name: 3072
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 24.0F
  dmi.chassis.asset.tag: CNU0012B8R
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvr68PZIVer.F.18:bd12/02/2010:svnHewlett-Packard:pnHPProBook4510s:pvrF.18:rvnHewlett-Packard:rn3072:rvrKBCVersion24.0F:cvnHewlett-Packard:ct10:cvr:
  dmi.product.family: 103C_5336AN
  dmi.product.name: HP ProBook 4510s
  dmi.product.version: F.18
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.91-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1801747/+subscriptions

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[Kernel-packages] [Bug 1805151] [NEW] Desktop freeze running VirtualBox, Intel graphics

[Launchpad Bug Tracker]

You have been subscribed to a public bug:

This is identical to bug 1804885, but as requested I am filing this while 
running the standard Ubuntu kernel.  I will copy and paste my summary below.  
Updates since I created that bug:
 * This occurs with the mainline PPA 4.18.12-041812-generic kernel.
 * The glxinfo section I include below is identical with 4.18.0-11-generic 
(presumably no surprise).
 * I would appreciate a bit of hand-holding for bisecting this.  Does the 
kernel team have ready-built kernel packages for bisecting?  Or guidance about 
the fastest way of doing it (i.e. not rebuilding things which do not need to be 
rebuilt for successive rounds)?

=== Original report follows ===

When I start a VirtualBox virtual machine (reproducible with the Ubuntu
18.04/VirtualBox 5.2.22 packages from virtualbox.org) with VMSVGA
emulation and 3D pass-through enabled, my system hangs. Sometimes I can
recover if I get to a VT fast enough to kill the process. Also, the OOM
killer sometimes triggers and kills the process or gnome-shell, but the
OOM killer entries in dmesg look like neither of the two are using
excessive memory compared to available system RAM. When I switch to the
Ubuntu drm-tip kernel packages from the kernel PPA the problem goes
away. Debugging shows that the hang occurs during the first
glXMakeCurrent call made by the application. It did not occur using the
standard Ubuntu kernel but running the application under apitrace. I can
provide the trace if that helps.

Short extract from glxinfo running the 4.20 drm-tip kernel:

Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel Open Source Technology Center (0x8086)
Device: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2) (0x5916)
Version: 18.2.2
Accelerated: yes
Video memory: 3072MB
Unified memory: yes
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: xorg 1:7.7+19ubuntu8
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
BootLog: Error: [Errno 13] Отказано в доступе: '/var/log/boot.log'
CasperVersion: 1.399
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 26 15:01:53 2018
DistUpgraded: 2018-10-08 10:28:22,218 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
DistroCodename: cosmic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GpuHangFrequency: Several times a day
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
 Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA 
controller])
   Subsystem: Lenovo HD Graphics 620 [17aa:2245]
InstallationDate: Installed on 2018-06-12 (166 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
MachineType: LENOVO 20HES0E73E
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-11-generic 
root=/dev/mapper/ubuntu--vg-root ro scsi_mod.use_blk_mq=1 quiet splash 
crashkernel=384M-:128M
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: Upgraded to cosmic on 2018-10-08 (49 days ago)
dmi.bios.date: 09/13/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N1QET78W (1.53 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HES0E73E
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrN1QET78W(1.53):bd09/13/2018:svnLENOVO:pn20HES0E73E:pvrThinkPadT470:rvnLENOVO:rn20HES0E73E:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T470
dmi.product.name: 20HES0E73E
dmi.product.sku: LENOVO_MT_20HE_BU_Think_FM_ThinkPad T470
dmi.product.version: ThinkPad T470
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.95-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.3-0~ubuntu18.10.1~ppa1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug cosmic freeze third-party-packages ubuntu 
wayland-session
-- 
 Desktop freeze running VirtualBox, Intel graphics
https://bugs.launchpad.net/bugs/1805151
You received this bug notification because you are a member of Kernel Packages, 
which 

[Kernel-packages] [Bug 1803752] Re: HID inputs (mouse buttons and keyboard) stop responding when plug in DP monitor

[Daniel van Vugt]

Thanks. If Gnome (particularly the Wayland session) experiences the same
bug then this isn't a problem in any desktop environment. It's more
likely the kernel.


** Package changed: xorg-server (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Status: Incomplete => New

** No longer affects: linux (Ubuntu)

** Project changed: ubuntu-mate => mir

** No longer affects: mir

** Package changed: mate-common (Ubuntu) => linux (Ubuntu)

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1803752

Title:
  HID inputs (mouse buttons and keyboard) stop responding when plug in
  DP monitor

Status in linux package in Ubuntu:
  New

Bug description:
  Ever since upgrading to 18.10 plugging in external monitors has been
  buggy.

  Device Lenovo T460s. Ubuntu-Mate 18.10.

  Plugging in External monitor using mini-display port causes keyboard
  to be unresponsive. Mouse buttons as well. though can still move mouse
  on screen. Plugging in and out using arndr sometimes resolves this.
  Notwithstanding, no smooth transition to multi-monitor mode.

  
  EDIT: 2018-11-22 // The problems are not observed when using HDMI instead of 
mini display-port. Moreover, if one can regain control of HID devices when mini 
DP plugged in, the resolution of the monitor plugged in is completely wrong. 

  
  ---
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  CompizPlugins:
   (gconftool-2:31954): GConf-WARNING **: 21:41:20.841: Client failed to 
connect to the D-BUS daemon:
   Did not receive a reply. Possible causes include: the remote application did 
not send a reply, the message bus security policy blocked the reply, the reply 
timeout expired, or the network connection was broken.
   Failed to get value for 
`/apps/compiz-1/general/screen0/options/active_plugins': No D-BUS daemon running
  CompositorRunning: None
  CurrentDesktop: MATE
  DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroRelease: Ubuntu 18.10
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) 
(prog-if 00 [VGA controller])
     Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
  InstallationDate: Installed on 2016-07-23 (848 days ago)
  InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  LightdmDisplayLog:
   (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
   (II) AIGLX: Suspending AIGLX clients for VT switch
   (II) AIGLX: Suspending AIGLX clients for VT switch
   (II) AIGLX: Suspending AIGLX clients for VT switch
  MachineType: LENOVO 20F9004FUS
  Package: xorg-server (not installed)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic 
root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Tags:  cosmic ubuntu
  Uname: Linux 4.18.0-11-generic x86_64
  UpgradeStatus: Upgraded to cosmic on 2018-10-18 (32 days ago)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 03/22/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1CET66W (1.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20F9004FUS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40705 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20F9004FUS:pvrThinkPadT460s:rvnLENOVO:rn20F9004FUS:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T460s
  dmi.product.name: 20F9004FUS
  dmi.product.sku: LENOVO_MT_20F9_BU_Think_FM_ThinkPad T460s
  dmi.product.version: ThinkPad T460s
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.13.1+18.10.20180930-0ubuntu1
  version.libdrm2: libdrm2 2.4.95-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3
  ---
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: MATE
  DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
  DistroCodename: cosmic
  DistroRelease: Ubuntu 18.10
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 4.18.0-10-generic, x86_64: installed
   acpi-call, 

[Kernel-packages] [Bug 1803752] [NEW] HID inputs (mouse buttons and keyboard) stop responding when plug in DP monitor

[Launchpad Bug Tracker]

You have been subscribed to a public bug:

Ever since upgrading to 18.10 plugging in external monitors has been
buggy.

Device Lenovo T460s. Ubuntu-Mate 18.10.

Plugging in External monitor using mini-display port causes keyboard to
be unresponsive. Mouse buttons as well. though can still move mouse on
screen. Plugging in and out using arndr sometimes resolves this.
Notwithstanding, no smooth transition to multi-monitor mode.


EDIT: 2018-11-22 // The problems are not observed when using HDMI instead of 
mini display-port. Moreover, if one can regain control of HID devices when mini 
DP plugged in, the resolution of the monitor plugged in is completely wrong. 


---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CompizPlugins:
 (gconftool-2:31954): GConf-WARNING **: 21:41:20.841: Client failed to connect 
to the D-BUS daemon:
 Did not receive a reply. Possible causes include: the remote application did 
not send a reply, the message bus security policy blocked the reply, the reply 
timeout expired, or the network connection was broken.
 Failed to get value for 
`/apps/compiz-1/general/screen0/options/active_plugins': No D-BUS daemon running
CompositorRunning: None
CurrentDesktop: MATE
DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
DistroCodename: cosmic
DistroRelease: Ubuntu 18.10
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 
00 [VGA controller])
   Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
InstallationDate: Installed on 2016-07-23 (848 days ago)
InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
LightdmDisplayLog:
 (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
 (II) AIGLX: Suspending AIGLX clients for VT switch
 (II) AIGLX: Suspending AIGLX clients for VT switch
 (II) AIGLX: Suspending AIGLX clients for VT switch
MachineType: LENOVO 20F9004FUS
Package: xorg-server (not installed)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic 
root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Tags:  cosmic ubuntu
Uname: Linux 4.18.0-11-generic x86_64
UpgradeStatus: Upgraded to cosmic on 2018-10-18 (32 days ago)
UserGroups:

_MarkForUpload: True
dmi.bios.date: 03/22/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N1CET66W (1.34 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20F9004FUS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40705 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20F9004FUS:pvrThinkPadT460s:rvnLENOVO:rn20F9004FUS:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T460s
dmi.product.name: 20F9004FUS
dmi.product.sku: LENOVO_MT_20F9_BU_Think_FM_ThinkPad T460s
dmi.product.version: ThinkPad T460s
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.1+18.10.20180930-0ubuntu1
version.libdrm2: libdrm2 2.4.95-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: MATE
DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
DistroCodename: cosmic
DistroRelease: Ubuntu 18.10
DistroVariant: ubuntu
DkmsStatus:
 acpi-call, 1.1.0, 4.18.0-10-generic, x86_64: installed
 acpi-call, 1.1.0, 4.18.0-11-generic, x86_64: installed
 virtualbox, 5.2.18, 4.18.0-10-generic, x86_64: installed
 virtualbox, 5.2.18, 4.18.0-11-generic, x86_64: installed
 wireguard, 0.0.20181119, 4.18.0-11-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 
00 [VGA controller])
   Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
InstallationDate: Installed on 2016-07-23 (850 days ago)
InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
MachineType: LENOVO 20F9004FUS
Package: xorg-server (not installed)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic 
root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Tags:  cosmic ubuntu
Uname: Linux 4.18.0-11-generic x86_64

[Kernel-packages] [Bug 1803752] [NEW] HID inputs (mouse buttons and keyboard) stop responding when plug in DP monitor

[Launchpad Bug Tracker]

You have been subscribed to a public bug:

Ever since upgrading to 18.10 plugging in external monitors has been
buggy.

Device Lenovo T460s. Ubuntu-Mate 18.10.

Plugging in External monitor using mini-display port causes keyboard to
be unresponsive. Mouse buttons as well. though can still move mouse on
screen. Plugging in and out using arndr sometimes resolves this.
Notwithstanding, no smooth transition to multi-monitor mode.


EDIT: 2018-11-22 // The problems are not observed when using HDMI instead of 
mini display-port. Moreover, if one can regain control of HID devices when mini 
DP plugged in, the resolution of the monitor plugged in is completely wrong. 


---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CompizPlugins:
 (gconftool-2:31954): GConf-WARNING **: 21:41:20.841: Client failed to connect 
to the D-BUS daemon:
 Did not receive a reply. Possible causes include: the remote application did 
not send a reply, the message bus security policy blocked the reply, the reply 
timeout expired, or the network connection was broken.
 Failed to get value for 
`/apps/compiz-1/general/screen0/options/active_plugins': No D-BUS daemon running
CompositorRunning: None
CurrentDesktop: MATE
DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
DistroCodename: cosmic
DistroRelease: Ubuntu 18.10
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 
00 [VGA controller])
   Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
InstallationDate: Installed on 2016-07-23 (848 days ago)
InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
LightdmDisplayLog:
 (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
 (II) AIGLX: Suspending AIGLX clients for VT switch
 (II) AIGLX: Suspending AIGLX clients for VT switch
 (II) AIGLX: Suspending AIGLX clients for VT switch
MachineType: LENOVO 20F9004FUS
Package: xorg-server (not installed)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic 
root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Tags:  cosmic ubuntu
Uname: Linux 4.18.0-11-generic x86_64
UpgradeStatus: Upgraded to cosmic on 2018-10-18 (32 days ago)
UserGroups:

_MarkForUpload: True
dmi.bios.date: 03/22/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N1CET66W (1.34 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20F9004FUS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40705 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20F9004FUS:pvrThinkPadT460s:rvnLENOVO:rn20F9004FUS:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T460s
dmi.product.name: 20F9004FUS
dmi.product.sku: LENOVO_MT_20F9_BU_Think_FM_ThinkPad T460s
dmi.product.version: ThinkPad T460s
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.13.1+18.10.20180930-0ubuntu1
version.libdrm2: libdrm2 2.4.95-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3
---
ProblemType: Bug
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: MATE
DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript: 
'./xorg_fix_proprietary.py'
DistroCodename: cosmic
DistroRelease: Ubuntu 18.10
DistroVariant: ubuntu
DkmsStatus:
 acpi-call, 1.1.0, 4.18.0-10-generic, x86_64: installed
 acpi-call, 1.1.0, 4.18.0-11-generic, x86_64: installed
 virtualbox, 5.2.18, 4.18.0-10-generic, x86_64: installed
 virtualbox, 5.2.18, 4.18.0-11-generic, x86_64: installed
 wireguard, 0.0.20181119, 4.18.0-11-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 
00 [VGA controller])
   Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
InstallationDate: Installed on 2016-07-23 (850 days ago)
InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
MachineType: LENOVO 20F9004FUS
Package: xorg-server (not installed)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic 
root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Tags:  cosmic ubuntu
Uname: Linux 4.18.0-11-generic x86_64

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

Issue found: on L80v2 the kernel is allocating IRQs outside of NUMA0,
but all of the NVME disks on L80v2 are on NUMA0. Looking for a relevant
patch for this.

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was not an issue before the recent
  commit ae6935ed7d42 ("vmbus: split 

[Kernel-packages] [Bug 1805062] Re: FSCache kernel panic on presumed CIFS share disconnect

[Tomasz J Góralczyk]

I'm yet to find a way to reliably reproduce this.

Including apport report. Not much more information in there, as none was
collected during the crash.

** Attachment added: "apport"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805062/+attachment/5216640/+files/apport.linux.ut6j6uk2.apport

-- 
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https://bugs.launchpad.net/bugs/1805062

Title:
  FSCache kernel panic on presumed CIFS share disconnect

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  What Happened
  -

  I have a setup with my home NAS server mounted via CIFS to an Ubuntu
  18.04 VPS over OpenVPN. The CIFS share is served by Nginx as an open
  file directory, with fscache/cachefilesd being used to cache the files
  locally, to reduce the load on my home connection.

  I was using this setup for web development by editing files directly
  on the CIFS share from another machine (mounted via LAN, independently
  of the OpenVPN server). After making changes to an HTML file, I
  noticed that the Nginx server was no longer responding.

  I connected to the server via SSH to diagnose the issue and found that
  trying to perform a file listing (using ls) on the fileshare mount
  froze my shell, so I opened another SSH connection. I ran dmesg,
  expecting to find a CIFS timeout error, but instead there was an
  fscache error trace. Thinking it would help resolve the issue, I ran
  `systemd restart cachefilesd` to restart cachefilesd. My SSH
  connection froze again, but this time the server was no longer
  responding to SSH connections and pings. I was forced to perform a
  hard reset to restore operation.

  Upon further inspection of the logs, I noticed that the NAS
  reconnected to the OpenVPN server between my first and second SSH
  connection, so it's possible that a network issue caused the initial
  fscache error. I have no way of confirming this, that's why I put
  "presumed" in the title.

  I suspect the issue here might be a race condition when invalidating a
  cache object (the updated HTML file) during a network issue.

  What I expected to happen
  -

  Accessing an updated file shouldn't cause an fscache error, even when
  a network error occurs.

  Restarting cachefilesd shouldn't cause a fatal panic, even when a
  network error occurs.

  Machine information
  ---

  /proc/version_signature: Ubuntu 4.15.0-20.21-generic 4.15.17

  lsb_release: 
  Description: Ubuntu 18.04.1 LTS 
  Release:18.04

  apt-cache policy linux-image-4.15.0-20-generic:
  linux-image-4.15.0-20-generic:
Installed: 4.15.0-20.21
Candidate: 4.15.0-20.21
Version table:
   *** 4.15.0-20.21 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status

  apt-cache policy cachefilesd cachefilesd: 



  cachefilesd:
Installed: 0.10.10-0.1
Candidate: 0.10.10-0.1
Version table:
   *** 0.10.10-0.1 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
  100 /var/lib/dpkg/status

  apt-cache policy libsmbclient:
  libsmbclient:
Installed: (none)
Candidate: 2:4.7.6+dfsg~ubuntu-0ubuntu2.4
Version table:
   2:4.7.6+dfsg~ubuntu-0ubuntu2.4 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 
Packages
   2:4.7.6+dfsg~ubuntu-0ubuntu2.2 500
  500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 
Packages
   2:4.7.6+dfsg~ubuntu-0ubuntu2 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages

  apt-cache policy cifs-utils:
  cifs-utils:
Installed: 2:6.8-1
Candidate: 2:6.8-1
Version table:
   *** 2:6.8-1 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status

  
  The VPS provider is UK2, I believe they use KVM.

  journalctl output
  -

  Private and irrelevant information removed.

  Nov 26 00:30:31 hostname kernel: [kworke] preemptive burial: OBJ66
  [DROP_OBJECT] 4b2987a1

  --- [snip] (CacheFiles error + kernel trace) ---

  Nov 26 00:34:01 hostname kernel: CacheFiles: Error: Object already active
  Nov 26 00:34:01 hostname kernel: CacheFiles: object: OBJ6d
  Nov 26 00:34:01 hostname kernel: CacheFiles: objstate=LOOK_UP_OBJECT fl=18 
wbusy=2 ev=0[0]
  Nov 26 00:34:01 hostname kernel: CacheFiles: ops=0 inp=0 exc=0
  Nov 26 00:34:01 hostname kernel: CacheFiles: parent=316fbe48
  Nov 26 00:34:01 hostname kernel: CacheFiles: cookie=1fa898cd 
[pr=f0382671 nd=ba69f109 fl=22]
  Nov 26 

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

Awesome, thanks Dexuan.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was not an issue before the recent
  commit ae6935ed7d42 ("vmbus: split ring buffer allocation from open"),
  because at the beginning of vmbus_open() we checked newchannel->state so
  only one

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: "0011-X86-Hyper-V-Enhanced-IPI-enlightenment.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216635/+files/0011-X86-Hyper-V-Enhanced-IPI-enlightenment.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was no

[Kernel-packages] [Bug 1799467] Re: [19.04 FEAT| Enable virtio-gpu for s390x

[Dimitri John Ledkov]

** Changed in: ubuntu-z-systems
   Status: Triaged => Incomplete

** Changed in: linux (Ubuntu)
   Status: Triaged => Incomplete

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https://bugs.launchpad.net/bugs/1799467

Title:
  [19.04 FEAT| Enable virtio-gpu for s390x

Status in Ubuntu on IBM z Systems:
  Incomplete
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Allows to administer s390x KVM guests with the tools typically used
  for x86 guests. E.g., guest administrators connecting from a Windows
  client can use the virt-manager UI.

  The code is upstream with kernel 4.17
  579f1a2 s390/setup : enable display support for KVM guest
  aa0f2dd s390/char : Rename EBCDIC keymap variables
  0a3994f Kconfig : Remove HAS_IOMEM dependency for Graphics support

  Code already available, only kernel configs need to be checked.

  In addition following kernel configs need to be set
  CONFIG_DRM
  CONFIG_DUMMY_CONSOLE
  CONFIG_FB
  CONFIG_FRAMEBUFFER_CONSOLE
  CONFIG_VIRTIO_INPUT
  CONFIG_INPUT
  CONFIG_INPUT_EVDEV
  CONFIG_DRM_VIRTIO_GPU
  CONFIG_VT

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Dexuan Cui]

The link to "[PATCH] scsi: storvsc: Fix a race in sub-channel creation
that can cause panic" is

https://lkml.org/lkml/2018/11/26/159 
or
https://lore.kernel.org/patchwork/patch/1016903/

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was not an issue before the recent

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

Sorry, the name for the last patch on the list will be "scsi: storvsc:
Fix a race in sub-channel creation that can cause panic"

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was not an issue before the recent
  commit ae6935ed7d42 ("vmbus: split ring buffer allocati

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: "0010-X86-Hyper-V-Enable-IPI-enlightenments.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216634/+files/0010-X86-Hyper-V-Enable-IPI-enlightenments.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was no

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: "0005-x86-hyper-v-move-hyperv.h-out-of-uapi.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216629/+files/0005-x86-hyper-v-move-hyperv.h-out-of-uapi.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was no

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: "0009-X86-Hyper-V-Enlighten-APIC-access.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216633/+files/0009-X86-Hyper-V-Enlighten-APIC-access.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each other, but it was not an issue be

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: "0003-x86-hyperv-Reenlightenment-notifications-support.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216626/+files/0003-x86-hyperv-Reenlightenment-notifications-support.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict with each 

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0006-x86-hyper-v-move-definitions-from-TLFS-to-hyperv-tlf.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216630/+files/0006-x86-hyper-v-move-definitions-from-TLFS-to-hyperv-tlf.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0002-x86-hyperv-Add-a-function-to-read-both-TSC-and-TSC-p.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216625/+files/0002-x86-hyperv-Add-a-function-to-read-both-TSC-and-TSC-p.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0007-x86-hyper-v-allocate-and-use-Virtual-Processor-Assis.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216631/+files/0007-x86-hyper-v-allocate-and-use-Virtual-Processor-Assis.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0004-x86-hyperv-Redirect-reenlightment-notifications-on-C.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216627/+files/0004-x86-hyperv-Redirect-reenlightment-notifications-on-C.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0012-x86-hyper-v-Fix-the-circular-dependency-in-IPI-enlig.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216636/+files/0012-x86-hyper-v-Fix-the-circular-dependency-in-IPI-enlig.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0001-Drivers-hv-vmbus-Remove-x86-isms-from-arch-independe.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216624/+files/0001-Drivers-hv-vmbus-Remove-x86-isms-from-arch-independe.patch

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] Re: [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

** Patch added: 
"0008-x86-hyper-v-define-struct-hv_enlightened_vmcs-and-cl.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1805304/+attachment/5216632/+files/0008-x86-hyper-v-define-struct-hv_enlightened_vmcs-and-cl.patch

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1805304

Title:
  [Hyper-V] Additional patches for Lv2 storage performance

Status in linux-azure package in Ubuntu:
  New

Bug description:
  After analysis of the first 4.15 kernel for Lv2 performance, and while
  we are delayed getting to 4.18, we have identified and backported the
  following patches for the 4.15 linux-azure kernel:

  commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
  Author: K. Y. Srinivasan 
  Date:   Tue Jul 3 16:01:55 2018 -0700
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

  commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:32 2018 -0700
  X86/Hyper-V: Enhanced IPI enlightenment
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

  commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:31 2018 -0700
  X86/Hyper-V: Enable IPI enlightenments
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

  commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
  Author: K. Y. Srinivasan 
  Date:   Wed May 16 14:53:30 2018 -0700
  X86/Hyper-V: Enlighten APIC access
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

  commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:09 2018 +0100
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

  commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:08 2018 +0100
  x86/hyper-v: allocate and use Virtual Processor Assist Pages
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

  commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:06 2018 +0100
  x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

  commit 5a485803221777013944cbd1a7cd5c62efba3ffa
  Author: Vitaly Kuznetsov 
  Date:   Tue Mar 20 15:02:05 2018 +0100
  x86/hyper-v: move hyperv.h out of uapi
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

  commit e7c4e36c447daca2b7df49024f6bf230871cb155
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:34 2018 +0100
  x86/hyperv: Redirect reenlightment notifications on CPU offlining
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

  commit 93286261de1b46339aa27cd4c639b21778f6cade
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:33 2018 +0100
  x86/hyperv: Reenlightenment notifications support
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

  commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
  Author: Vitaly Kuznetsov 
  Date:   Wed Jan 24 14:23:32 2018 +0100
  x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

  commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
  Author: Michael Kelley 
  Date:   Fri Dec 22 11:19:02 2017 -0700
  Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
  
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

  From: Dexuan Cui 

  We can concurrently try to open the same sub-channel from 2 paths:

  path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
  path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

  They conflict wit

[Kernel-packages] [Bug 1805304] [NEW] [Hyper-V] Additional patches for Lv2 storage performance

[Joshua R. Poulson]

Public bug reported:

After analysis of the first 4.15 kernel for Lv2 performance, and while
we are delayed getting to 4.18, we have identified and backported the
following patches for the 4.15 linux-azure kernel:

commit 1268ed0c474a5c8f165ef386f3310521b5e00e27
Author: K. Y. Srinivasan 
Date:   Tue Jul 3 16:01:55 2018 -0700
x86/hyper-v: Fix the circular dependency in IPI enlightenment
linux-next: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=1268ed0c474a5c8f165ef386f3310521b5e00e27

commit 366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d
Author: K. Y. Srinivasan 
Date:   Wed May 16 14:53:32 2018 -0700
X86/Hyper-V: Enhanced IPI enlightenment
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=366f03b0cf90ef55f063d4a54cf62b0ac9b6da9d

commit 68bb7bfb7985df2bd15c2dc975cb68b7a901488a
Author: K. Y. Srinivasan 
Date:   Wed May 16 14:53:31 2018 -0700
X86/Hyper-V: Enable IPI enlightenments
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68bb7bfb7985df2bd15c2dc975cb68b7a901488a

commit 6b48cb5f8347bc0153ff1d7b075db92e6723ffdb
Author: K. Y. Srinivasan 
Date:   Wed May 16 14:53:30 2018 -0700
X86/Hyper-V: Enlighten APIC access
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=6b48cb5f8347bc0153ff1d7b075db92e6723ffdb

commit 68d1eb72ee99e26576913aa6824f7a703ca06b90
Author: Vitaly Kuznetsov 
Date:   Tue Mar 20 15:02:09 2018 +0100
x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=68d1eb72ee99e26576913aa6824f7a703ca06b90

commit a46d15cc1ae5af905afac2af4cc0c188c2eb59b0
Author: Vitaly Kuznetsov 
Date:   Tue Mar 20 15:02:08 2018 +0100
x86/hyper-v: allocate and use Virtual Processor Assist Pages
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=a46d15cc1ae5af905afac2af4cc0c188c2eb59b0

commit 415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7
Author: Vitaly Kuznetsov 
Date:   Tue Mar 20 15:02:06 2018 +0100
x86/hyper-v: move definitions from TLFS to hyperv-tlfs.h
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=415bd1cd3a42897f61a92cda0a9f9d7b04c28fb7

commit 5a485803221777013944cbd1a7cd5c62efba3ffa
Author: Vitaly Kuznetsov 
Date:   Tue Mar 20 15:02:05 2018 +0100
x86/hyper-v: move hyperv.h out of uapi
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=5a485803221777013944cbd1a7cd5c62efba3ffa

commit e7c4e36c447daca2b7df49024f6bf230871cb155
Author: Vitaly Kuznetsov 
Date:   Wed Jan 24 14:23:34 2018 +0100
x86/hyperv: Redirect reenlightment notifications on CPU offlining
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e7c4e36c447daca2b7df49024f6bf230871cb155

commit 93286261de1b46339aa27cd4c639b21778f6cade
Author: Vitaly Kuznetsov 
Date:   Wed Jan 24 14:23:33 2018 +0100
x86/hyperv: Reenlightenment notifications support
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=93286261de1b46339aa27cd4c639b21778f6cade

commit e2768eaa1ca4fbb7b778da5615cce3dd310352e6
Author: Vitaly Kuznetsov 
Date:   Wed Jan 24 14:23:32 2018 +0100
x86/hyperv: Add a function to read both TSC and TSC page value 
simulateneously
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20181126=e2768eaa1ca4fbb7b778da5615cce3dd310352e6

commit 4a5f3cde4d51c7afce859aed9d74d197751896d5
Author: Michael Kelley 
Date:   Fri Dec 22 11:19:02 2017 -0700
Drivers: hv: vmbus: Remove x86-isms from arch independent drivers
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/hv?h=next-20181126=4a5f3cde4d51c7afce859aed9d74d197751896d5

From: Dexuan Cui 

We can concurrently try to open the same sub-channel from 2 paths:

path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation().
path #2: storvsc_probe() -> storvsc_connect_to_vsp() ->
 -> storvsc_channel_init() -> handle_multichannel_storage() ->
 -> vmbus_are_subchannels_present() -> handle_sc_creation().

They conflict with each other, but it was not an issue before the recent
commit ae6935ed7d42 ("vmbus: split ring buffer allocation from open"),
because at the beginning of vmbus_open() we checked newchannel->state so
only one path could succeed, and the other would return with -EINVAL.

After ae6935ed7d42, the failing path frees the channel's ringbuffer by
vmbus_free_ring(), and this causes a panic later.

Commit ae6935ed7d42 itself is good, and it just reveals the longstanding
race. We can resolve the issue by removing path #2, i.e. removing the
second vmbus_are_subchannels_present() in handle_multichannel_storage().

BTW, the comment "Check to 

[Kernel-packages] [Bug 1794477] Re: Accelerated networking (SR-IOV VF) broken in 18.10 daily

[Marcelo Cerri]

** No longer affects: linux (Ubuntu Cosmic)

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
   Status: New

** Also affects: linux-azure (Ubuntu Cosmic)
   Importance: Undecided
   Status: New

** Changed in: linux-azure (Ubuntu)
   Status: Confirmed => Fix Committed

** Changed in: linux-azure (Ubuntu Cosmic)
   Status: New => Fix Committed

** Changed in: linux-azure (Ubuntu Cosmic)
 Assignee: (unassigned) => Marcelo Cerri (mhcerri)

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1794477

Title:
  Accelerated networking (SR-IOV VF) broken in 18.10 daily

Status in linux package in Ubuntu:
  Fix Committed
Status in linux-azure package in Ubuntu:
  Fix Committed
Status in linux source package in Cosmic:
  New
Status in linux-azure source package in Cosmic:
  Fix Committed

Bug description:
  While testing Ubuntu 18.10 daily from cloud-images repo, on Azure, we 
discovered that accelerated networking wasn’t working inside the VM.
  No VF shows up inside the VM and lspci didn’t show any Mellanox drivers in 
use.
  We tested the daily build on Hyper-V also, but there the Mellanox VF is 
functional, with the same mlx4 drivers.

  To give more details about this:
  • No mellanox logs are showing up in dmesg or syslog.
  • Modinfo mlx4_core/mlx4_en finds the module, but lsmod doesn’t show it as 
loaded, although Accelerated Networking is enabled for the Azure VM, so this 
should happen transparently.
  • Modprobe  -r mlx4_core && modprobe mlx4_core is giving 0 exit code, but 
nothing really happens. And no Mellanox messages are logged in dmesg/syslog.
  - There are no entries in the logs to show anything about the drivers or 
netvsc/pci-hyperv that might relate to this issue.

  Kernel: 4.18.0-7-generic

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1798961] Re: Random unrecoverable freezes on Ubuntu 18.10

[Teresa e Junior]

After around two days of running with `pcie_aspm=off', it does not make
any difference. I was just forced to do a hard reset of my laptop.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1798961

Title:
  Random unrecoverable freezes on Ubuntu 18.10

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged
Status in linux source package in Disco:
  Triaged

Bug description:
  First thing I notice is that the mouse cursor freezes as I'm using it,
  then I hit the CAPS LOCK key and the LED indicator doesn't respond.
  Then I try the "REISUB" command, but it doesn't do anything either.
  Only a hard reset works, pressing down the power button for a few
  seconds.

  How to reproduce?
  I couldn't figure out a consistent method. It is still random to me.

  Version: Ubuntu 4.18.0-10.11-generic 4.18.12
  System information attached.

  Also happens under Arch Linux and Fedora.
  I've talked to another user on IRC who seems to be having the same freezes.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.18.0-10-generic 4.18.0-10.11
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  dsilva 1213 F pulseaudio
   /dev/snd/controlC0:  dsilva 1213 F pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Oct 20 09:54:50 2018
  InstallationDate: Installed on 2018-10-20 (0 days ago)
  InstallationMedia: Xubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 
(20181017.2)
  MachineType: Dell Inc. Inspiron 5458
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-10-generic 
root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-10-generic N/A
   linux-backports-modules-4.18.0-10-generic  N/A
   linux-firmware 1.175
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/02/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A15
  dmi.board.name: 09WGNT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA15:bd02/02/2018:svnDellInc.:pnInspiron5458:pvr01:rvnDellInc.:rn09WGNT:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Inspiron 5458
  dmi.product.sku: Inspiron 5458
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1784665] Re: mkfs.ext4 over /dev/bcache0 hangs

[Ryan Harper]

The 4.15.0-39 kernel FAILs:

+ make-bcache -C /dev/sdb
Can't open dev /dev/sdb: Device or resource busy
+ exit 1
Successful runs: 24
root@ubuntu:~# [  242.655013] INFO: task kworker/3:103:2610 blocked for more 
than 120 seconds.
[  242.665486]   Not tainted 4.15.0-39-generic #43~lp1784665
[  242.672393] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[  242.682480] INFO: task bcache_allocato:5864 blocked for more than 120 
seconds.
[  242.698149]   Not tainted 4.15.0-39-generic #43~lp1784665
[  242.705883] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.

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Title:
  mkfs.ext4 over /dev/bcache0 hangs

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress
Status in linux source package in Cosmic:
  In Progress

Bug description:
  $ cat /proc/version_signature 
  Ubuntu 4.15.0-29.31-generic 4.15.18

  $ lsb_release -rd
  Description:  Ubuntu Cosmic Cuttlefish (development branch)
  Release:  18.10

  $ apt-cache policy linux-image-`uname -r`
  linux-image-4.15.0-29-generic:
Installed: 4.15.0-29.31
Candidate: 4.15.0-29.31
Version table:
   *** 4.15.0-29.31 500
  500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages
  100 /var/lib/dpkg/status

  
  3) mkfs.ext4 /dev/bcache0 returns successful creating an ext4 filesystem on 
top of a bcache device

  4) mkfs.ext4 doesn't return and kernel prints hung process info

  [   58.018099] cloud-init[920]: Running command ['mkfs.ext4', '-F', '-L', 
'root-fs', '-U', 'f01aec97-9457-11e8-b8d6-525400123401', '/dev/bcache0'] with 
allowed return codes [0] (capture=True)
  [  242.652018] INFO: task kworker/u4:0:5 blocked for more than 120 seconds.
  [  242.653767]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.655391] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.657397] INFO: task kworker/0:2:410 blocked for more than 120 seconds.
  [  242.659126]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.660980] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.663000] INFO: task bcache_allocato:2326 blocked for more than 120 
seconds.
  [  242.664807]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.666516] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.668503] INFO: task bcache_writebac:2345 blocked for more than 120 
seconds.
  [  242.670301]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.671936] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.673909] INFO: task mkfs.ext4:2803 blocked for more than 120 seconds.
  [  242.675414]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.677038] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.483998] INFO: task kworker/u4:0:5 blocked for more than 120 seconds.
  [  363.488441]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.489598] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.491043] INFO: task kworker/0:2:410 blocked for more than 120 seconds.
  [  363.492252]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.494085] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.495659] INFO: task bcache_allocato:2326 blocked for more than 120 
seconds.
  [  363.496957]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.498454] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.499866] INFO: task bcache_writebac:2345 blocked for more than 120 
seconds.
  [  363.501156]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.502597] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.504048] INFO: task mkfs.ext4:2803 blocked for more than 120 seconds.
  [  363.505505]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.506677] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

  
  System has two virtio block devices.  bcache was created like so:

  make-bcache -C /dev/vdb
  make-bcache -B /dev/vda2

  resulting in /dev/bcache0

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.15.0-29-generic 4.15.0-29.31
  ProcVersionSignature: User Name 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  AlsaDevices:
   total 0
   crw-rw 1 root audio 116,  1 Jul 31 15:52 seq
   crw-rw 1 root audio 116, 33 Jul 31 15:52 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.10-0ubuntu7
  Architecture: amd64
  

[Kernel-packages] [Bug 1802560] Re: linux-gcp: 4.15.0-1025.26 -proposed tracker

[Brad Figg]

** Description changed:

  This bug is for tracking the  upload package. This
  bug will contain status and testing results related to that upload.
  
  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1803592
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true
  reason:
automated-testing: Testing FAILED
-   promote-to-updates: Nvidia GCP object not found -- 4.15.0-1025
security-signoff: Waiting for signoff

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Title:
  linux-gcp: 4.15.0-1025.26 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Incomplete
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Fix Released
Status in Kernel SRU Workflow security-signoff series:
  In Progress
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  Invalid
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-gcp package in Ubuntu:
  Invalid
Status in linux-gcp source package in Bionic:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1803592
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true
  reason:
automated-testing: Testing FAILED
security-signoff: Waiting for signoff

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[Kernel-packages] [Bug 1805195] Re: linux: 4.19.0-6.7 -proposed tracker

[Brad Figg]

** Description changed:

  This bug is for tracking the  upload package. This
  bug will contain status and testing results related to that upload.
  
  For an explanation of the tasks and the associated workflow see:
  https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  
  backports: 
  derivatives:
+ -- swm properties --
+ reason:
+   prepare-package: Package not yet uploaded
+   prepare-package-meta: Package not yet uploaded
+   prepare-package-signed: Package not yet uploaded
+   promote-to-release: Testing not complete

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Title:
  linux: 4.19.0-6.7 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  New
Status in Kernel SRU Workflow prepare-package series:
  In Progress
Status in Kernel SRU Workflow prepare-package-meta series:
  In Progress
Status in Kernel SRU Workflow prepare-package-signed series:
  In Progress
Status in Kernel SRU Workflow promote-to-proposed series:
  New
Status in Kernel SRU Workflow promote-to-release series:
  New
Status in Kernel SRU Workflow regression-testing series:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Disco:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see:
  https://wiki.ubuntu.com/Kernel/kernel-sru-workflow

  backports: 
  derivatives:
  -- swm properties --
  reason:
prepare-package: Package not yet uploaded
prepare-package-meta: Package not yet uploaded
prepare-package-signed: Package not yet uploaded
promote-to-release: Testing not complete

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[Kernel-packages] [Bug 1805244] Re: linux-azure: 4.18.0-1006.6 -proposed tracker

[Brad Figg]

** Description changed:

  This bug is for tracking the 4.18.0-1006.6 upload package. This bug will
  contain status and testing results related to that upload.
  
  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  kernel-stable-master-bug: 1802743
+ reason:
+   prepare-package: Package not yet uploaded
+   prepare-package-meta: Package not yet uploaded
+   prepare-package-signed: Package not yet uploaded

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Title:
  linux-azure: 4.18.0-1006.6 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  New
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  In Progress
Status in Kernel SRU Workflow prepare-package-meta series:
  In Progress
Status in Kernel SRU Workflow prepare-package-signed series:
  In Progress
Status in Kernel SRU Workflow promote-to-proposed series:
  New
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  New
Status in Kernel SRU Workflow security-signoff series:
  New
Status in Kernel SRU Workflow stakeholder-signoff series:
  New
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  New
Status in linux-azure package in Ubuntu:
  Invalid
Status in linux-azure source package in Cosmic:
  Confirmed

Bug description:
  This bug is for tracking the 4.18.0-1006.6 upload package. This bug
  will contain status and testing results related to that upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  kernel-stable-master-bug: 1802743
  reason:
prepare-package: Package not yet uploaded
prepare-package-meta: Package not yet uploaded
prepare-package-signed: Package not yet uploaded

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[Kernel-packages] [Bug 1776563] Re: Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

[siyia]

Your laptop series are slightly different, a315 series dont boot manjaro
without noapic at least.

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Title:
  Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't
  load, kernel freeze  (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

Status in amd:
  Fix Released
Status in Linux:
  Incomplete
Status in linux package in Ubuntu:
  Triaged
Status in linux-firmware package in Ubuntu:
  Confirmed

Bug description:
  CPU: Ryzen 5 2500U
  VGA: Radeon 535
  Notebook: Acer Aspire A315

  This is a brand new notebook on the market with Ryzen 5/Radeon. 
  The default kernel of Ubuntu(18.04) hangs at loading with message:

  tsc: Refined TSC clocksource calibration: 1996.250 MHz
  clocksource: tsc: mask: 0x max_cycles: (...), max_idle_ns: 
(...) 
  Soft lockup

  Using pci=noacpi kernel parameter kernel loads without any problem but
  my notebook produces more heat than on Win10. If I know right Acer
  notebooks need ACPI to the correct power management.

  The same thing happens on mainline 4.17,4.18rc1-2.
  BIOS upgrade to the latest version: 1.08 hasn't helped

  This problem has been reported upstream:
  https://bugzilla.kernel.org/show_bug.cgi?id=200087

  The latest correctly working kernel was 4.13.* but the heat problem
  was present with this too.

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[Kernel-packages] [Bug 1802568] Re: linux-gcp: 4.15.0-1025.26~16.04.1 -proposed tracker

[Brad Figg]

** Description changed:

  This bug is for tracking the  upload package. This
  bug will contain status and testing results related to that upload.
  
  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1803592
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true
  reason:
promote-to-security: Master bug not ready for release
-   promote-to-updates: Nvidia GCP object not found -- 4.15.0-1025
+   promote-to-updates: Master bug not ready for release
security-signoff: Waiting for signoff

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Title:
  linux-gcp: 4.15.0-1025.26~16.04.1 -proposed tracker

Status in Kernel SRU Workflow:
  In Progress
Status in Kernel SRU Workflow automated-testing series:
  Fix Released
Status in Kernel SRU Workflow certification-testing series:
  Invalid
Status in Kernel SRU Workflow prepare-package series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-meta series:
  Fix Released
Status in Kernel SRU Workflow prepare-package-signed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-proposed series:
  Fix Released
Status in Kernel SRU Workflow promote-to-security series:
  New
Status in Kernel SRU Workflow promote-to-updates series:
  New
Status in Kernel SRU Workflow regression-testing series:
  Fix Released
Status in Kernel SRU Workflow security-signoff series:
  In Progress
Status in Kernel SRU Workflow snap-release-to-beta series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-candidate series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-edge series:
  Fix Released
Status in Kernel SRU Workflow snap-release-to-stable series:
  Invalid
Status in Kernel SRU Workflow upload-to-ppa series:
  New
Status in Kernel SRU Workflow verification-testing series:
  Fix Released
Status in linux-gcp package in Ubuntu:
  Invalid
Status in linux-gcp source package in Xenial:
  Confirmed

Bug description:
  This bug is for tracking the  upload package.
  This bug will contain status and testing results related to that
  upload.

  For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
  -- swm properties --
  boot-testing-requested: true
  kernel-stable-master-bug: 1803592
  phase: Promoted to proposed
  proposed-announcement-sent: true
  proposed-testing-requested: true
  reason:
promote-to-security: Master bug not ready for release
promote-to-updates: Master bug not ready for release
security-signoff: Waiting for signoff

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[Kernel-packages] [Bug 811745] Re: Whole system freeze after safely remove external usb drive

[Myk Dowling]

@sarentasciyan,  that does not match the symptoms of this bug. You
should file a new bug report.

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Title:
  Whole system freeze after safely remove external usb drive

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Lucid:
  Fix Released

Bug description:
  OS: Ubuntu 10.04.2 LTS
  Kernel: 2.6.32-33 upgraded usnig official Ubuntu package
  description: Upgrading the kernel to 2.6.32-33 yesterday morning, and got no 
problem using my laptop until
  about 11pm, after I ejected my external usb drive, the whole system freeze, 
no response from keyboard, mouse, and even the system clock on the panel stop 
updating(it freeze at the time of ejecting usb drive). Falling back to kernel 
2.6.32.32 solve the problem so I assumed there are some issues in the lastest 
kernel. This bug is repeatable on my Asus M51va laptop.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-32-generic-pae 2.6.32-32.62
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-32.62-genusername-pae 2.6.32.38+drm33.16
  Uname: Linux 2.6.32-32-generic-pae i686
  NonfreeKernelModules: fglrx
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  eric   1758 F pulseaudio
  CRDA: Error: [Errno 2] 沒有此一檔案或目錄
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfdef8000 irq 22'
     Mixer name : 'Realtek ALC663'
     Components : 'HDA:10ec0663,10431878,0011 
HDA:10573055,10431316,00100700'
     Controls  : 16
     Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfdfec000 irq 17'
     Mixer name : 'ATI R6xx HDMI'
     Components : 'HDA:1002aa01,00aa0100,0010'
     Controls  : 4
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Sun Jul 17 10:02:21 2011
  HibernationDevice: RESUME=UUID=6332cbb4-4548-4b11-8ec0-bd496fe6cd3e
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  MachineType: ASUSTeK Computer Inc. M51Va
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-32-genusername-pae 
root=UUID=48ac84e3-5361-4c27-b339-7c2648d21ae4 ro quiet splash
  ProcEnviron:
   LANGUAGE=zh_TW:zh
   LANG=zh_TW.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34.7
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: yes
  SourcePackage: linux
  dmi.bios.date: 07/11/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 206.000
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: M51Va
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr206.000:bd07/11/2008:svnASUSTeKComputerInc.:pnM51Va:pvr1.0:rvnASUSTeKComputerInc.:rnM51Va:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: M51Va
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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[Kernel-packages] [Bug 1564463] Re: Joystick Dragonrise Axes confused in Ubuntu 14.04

[Konstantinos Kontodimas]

Oh it worked after all! It just needed recalibration since the axes are
mapped differently now. Thank you very much for your reply kaihengfeng.

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Title:
  Joystick Dragonrise Axes confused in Ubuntu 14.04

Status in linux package in Ubuntu:
  Incomplete
Status in linux package in Debian:
  Confirmed

Bug description:
  In Ubuntu 14.04 axis 2 (left-right of the right joystick) is hardly
  working.

  Its conflicting and superimposed by axis 0 (left-right of the left
  joystick)

  Axis 2 was allready behaving bad in eralier versions now its completly
  broken.

  Also jscal complains when applying stored settings from earlier ubuntu
  versions as the joystick now has 6 axes [0-5] and used to have 7, but
  this seems correct.

  The Dragonrise chip seems to be very widespread among different
  speedlink and LinQ models

  There is a related bugreport in Debian Bug-Tracker: 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785606
  that makes

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[Kernel-packages] [Bug 1805248] Re: Regression: hinic performance degrades over time

[dann frazier]

** Description changed:

  [Impact]
  Bug 1800664 introduced checksum offload and TSO support for HiNIC adapters. 
While that did improve performance in short iperf runs, longer runs were later 
found to show a significant regression in performance:
-   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3
+   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3
  
  [Test Case]
  iperf -c 192.168.99.1 -P5
  
  [Fix]
  Revert the offending patch.
  
  [Regression Risk]
  This is reverting a patch, returning the driver to 18.10 GA behavior.

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Title:
  Regression: hinic performance degrades over time

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Cosmic:
  In Progress
Status in linux source package in Disco:
  In Progress

Bug description:
  [Impact]
  Bug 1800664 introduced checksum offload and TSO support for HiNIC adapters. 
While that did improve performance in short iperf runs, longer runs were later 
found to show a significant regression in performance:
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3

  [Test Case]
  iperf -c 192.168.99.1 -P5

  [Fix]
  Revert the offending patch.

  [Regression Risk]
  This is reverting a patch, returning the driver to 18.10 GA behavior.

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[Kernel-packages] [Bug 1805248] [NEW] Regression: hinic performance degrades over time

[dann frazier]

Public bug reported:

[Impact]
Bug 1800664 introduced checksum offload and TSO support for HiNIC adapters. 
While that did improve performance in short iperf runs, longer runs were later 
found to show a significant regression in performance:
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3

[Test Case]
iperf -c 192.168.99.1 -P5

[Fix]
Revert the offending patch.

[Regression Risk]
This is reverting a patch, returning the driver to 18.10 GA behavior.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Assignee: dann frazier (dannf)
 Status: In Progress

** Affects: linux (Ubuntu Cosmic)
 Importance: Undecided
 Assignee: dann frazier (dannf)
 Status: In Progress

** Affects: linux (Ubuntu Disco)
 Importance: Undecided
 Assignee: dann frazier (dannf)
 Status: In Progress

** Changed in: linux (Ubuntu)
   Status: New => In Progress

** Also affects: linux (Ubuntu Disco)
   Importance: Undecided
 Assignee: dann frazier (dannf)
   Status: In Progress

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Cosmic)
   Status: New => In Progress

** Changed in: linux (Ubuntu Cosmic)
 Assignee: (unassigned) => dann frazier (dannf)

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Title:
  Regression: hinic performance degrades over time

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Cosmic:
  In Progress
Status in linux source package in Disco:
  In Progress

Bug description:
  [Impact]
  Bug 1800664 introduced checksum offload and TSO support for HiNIC adapters. 
While that did improve performance in short iperf runs, longer runs were later 
found to show a significant regression in performance:
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3

  [Test Case]
  iperf -c 192.168.99.1 -P5

  [Fix]
  Revert the offending patch.

  [Regression Risk]
  This is reverting a patch, returning the driver to 18.10 GA behavior.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1564463] Re: Joystick Dragonrise Axes confused in Ubuntu 14.04

[Konstantinos Kontodimas]

Yes it's similar but the gamepad is different, despite the fact that
they both are recognized as 0079:0006. I tried the suggested solution
with the kernel parameter "usbhid.quirks=0x0079:0x0006:0x10", but it
didn't work.

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Title:
  Joystick Dragonrise Axes confused in Ubuntu 14.04

Status in linux package in Ubuntu:
  Incomplete
Status in linux package in Debian:
  Confirmed

Bug description:
  In Ubuntu 14.04 axis 2 (left-right of the right joystick) is hardly
  working.

  Its conflicting and superimposed by axis 0 (left-right of the left
  joystick)

  Axis 2 was allready behaving bad in eralier versions now its completly
  broken.

  Also jscal complains when applying stored settings from earlier ubuntu
  versions as the joystick now has 6 axes [0-5] and used to have 7, but
  this seems correct.

  The Dragonrise chip seems to be very widespread among different
  speedlink and LinQ models

  There is a related bugreport in Debian Bug-Tracker: 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785606
  that makes

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[Kernel-packages] [Bug 1805244] [NEW] linux-azure: 4.18.0-1006.6 -proposed tracker

[Marcelo Cerri]

Public bug reported:

This bug is for tracking the 4.18.0-1006.6 upload package. This bug will
contain status and testing results related to that upload.

For an explanation of the tasks and the associated workflow see: 
https://wiki.ubuntu.com/Kernel/kernel-sru-workflow
-- swm properties --
kernel-stable-master-bug: 1802743

** Affects: kernel-sru-workflow
 Importance: Medium
 Status: In Progress

** Affects: kernel-sru-workflow/automated-testing
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/certification-testing
 Importance: Medium
 Assignee: Canonical Hardware Certification (canonical-hw-cert)
 Status: Invalid

** Affects: kernel-sru-workflow/prepare-package
 Importance: Medium
 Assignee: Marcelo Cerri (mhcerri)
 Status: In Progress

** Affects: kernel-sru-workflow/prepare-package-meta
 Importance: Medium
 Assignee: Marcelo Cerri (mhcerri)
 Status: In Progress

** Affects: kernel-sru-workflow/prepare-package-signed
 Importance: Medium
 Assignee: Marcelo Cerri (mhcerri)
 Status: In Progress

** Affects: kernel-sru-workflow/promote-to-proposed
 Importance: Medium
 Assignee: Ubuntu Stable Release Updates Team (ubuntu-sru)
 Status: New

** Affects: kernel-sru-workflow/promote-to-security
 Importance: Medium
 Assignee: Ubuntu Stable Release Updates Team (ubuntu-sru)
 Status: New

** Affects: kernel-sru-workflow/promote-to-updates
 Importance: Medium
 Assignee: Ubuntu Stable Release Updates Team (ubuntu-sru)
 Status: New

** Affects: kernel-sru-workflow/regression-testing
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/security-signoff
 Importance: Medium
 Assignee: Canonical Security Team (canonical-security)
 Status: New

** Affects: kernel-sru-workflow/stakeholder-signoff
 Importance: Medium
 Assignee: linux-azure stakeholder signoff (linux-azure-signoff)
 Status: New

** Affects: kernel-sru-workflow/upload-to-ppa
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: kernel-sru-workflow/verification-testing
 Importance: Medium
 Assignee: Canonical Kernel Team (canonical-kernel-team)
 Status: New

** Affects: linux-azure (Ubuntu)
 Importance: Undecided
 Status: Invalid

** Affects: linux-azure (Ubuntu Cosmic)
 Importance: Medium
 Status: Confirmed


** Tags: cosmic kernel-release-tracking-bug kernel-release-tracking-bug-live 
kernel-sru-cycle-2018.11.12-5

** Tags added: kernel-release-tracking-bug

** Tags added: kernel-release-tracking-bug-live

** Also affects: linux-azure (Ubuntu Cosmic)
   Importance: Undecided
   Status: New

** Tags added: cosmic

** Changed in: linux-azure (Ubuntu Cosmic)
   Status: New => Confirmed

** Also affects: kernel-sru-workflow/automated-testing
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/certification-testing
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/prepare-package
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/prepare-package-meta
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/prepare-package-signed
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/promote-to-proposed
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/promote-to-security
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/promote-to-updates
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/regression-testing
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/security-signoff
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/stakeholder-signoff
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/upload-to-ppa
   Importance: Undecided
   Status: New

** Also affects: kernel-sru-workflow/verification-testing
   Importance: Undecided
   Status: New

** Changed in: kernel-sru-workflow/automated-testing
   Importance: Undecided => Medium

** Changed in: kernel-sru-workflow/automated-testing
 Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

** Changed in: kernel-sru-workflow/certification-testing
   Importance: Undecided => Medium

** Changed in: kernel-sru-workflow/certification-testing
 Assignee: (unassigned) => Canonical Hardware Certification 
(canonical-hw-cert)

** Changed in: kernel-sru-workflow/certification-testing
   Status: New => Invalid

** Changed in: kernel-sru-workflow/prepare-package
   Importance: Undecided => Medium

** Changed in: 

[Kernel-packages] [Bug 1805245] [NEW] powerpc/powernv/pci: Work around races in PCI bridge enabling

[Daniel Axtens]

Public bug reported:

SRU Justification
=

[Impact]

An IBM OpenPower partner reports their system with a bunch of NVMe
drives fails the NVMe init due to some drives taking PCIe EEH errors.

[Fix]

Pick patch db2173198b9513f7add8009f225afa1f1c79bcc6 upstream.

[Testing]

IBM reports that this patch fixes the user's issue.

[Regression Potential]

The patch is already in Cosmic (db33bbe77b9594133fecf0dc290322437170627f) and 
in some stable trees (1eb08e7b192d2c412175f607cf51449c916abd57 in 4.14.y).
It only affects PowerPC.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: Confirmed

** Description changed:

  SRU Justification
  =
  
  [Impact]
  
  An IBM OpenPower partner reports their system with a bunch of NVMe
  drives fails the NVMe init due to some drives taking PCIe EEH errors.
  
  [Fix]
  
  Pick patch db2173198b9513f7add8009f225afa1f1c79bcc6 upstream.
  
  [Testing]
  
  IBM reports that this patch fixes the user's issue.
  
  [Regression Potential]
  
- The patch is already in some stable trees 
(1eb08e7b192d2c412175f607cf51449c916abd57 in 4.14.y).
+ The patch is already in Cosmic (db33bbe77b9594133fecf0dc290322437170627f) and 
in some stable trees (1eb08e7b192d2c412175f607cf51449c916abd57 in 4.14.y).
  It only affects PowerPC.

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Title:
  powerpc/powernv/pci: Work around races in PCI bridge enabling

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  SRU Justification
  =

  [Impact]

  An IBM OpenPower partner reports their system with a bunch of NVMe
  drives fails the NVMe init due to some drives taking PCIe EEH errors.

  [Fix]

  Pick patch db2173198b9513f7add8009f225afa1f1c79bcc6 upstream.

  [Testing]

  IBM reports that this patch fixes the user's issue.

  [Regression Potential]

  The patch is already in Cosmic (db33bbe77b9594133fecf0dc290322437170627f) and 
in some stable trees (1eb08e7b192d2c412175f607cf51449c916abd57 in 4.14.y).
  It only affects PowerPC.

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[Kernel-packages] [Bug 1784665] Re: mkfs.ext4 over /dev/bcache0 hangs

[Joseph Salisbury]

I built a new Bionic test kernel.  The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1784665

Can you test this kernel and see if it resolves this bug?

Note about installing test kernels:
• If the test kernel is prior to 4.15(Bionic) you need to install the 
linux-image and linux-image-extra .deb packages.
• If the test kernel is 4.15(Bionic) or newer, you need to install the 
linux-modules, linux-modules-extra and linux-image-unsigned .deb packages.

Thanks in advance!

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Title:
  mkfs.ext4 over /dev/bcache0 hangs

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress
Status in linux source package in Cosmic:
  In Progress

Bug description:
  $ cat /proc/version_signature 
  Ubuntu 4.15.0-29.31-generic 4.15.18

  $ lsb_release -rd
  Description:  Ubuntu Cosmic Cuttlefish (development branch)
  Release:  18.10

  $ apt-cache policy linux-image-`uname -r`
  linux-image-4.15.0-29-generic:
Installed: 4.15.0-29.31
Candidate: 4.15.0-29.31
Version table:
   *** 4.15.0-29.31 500
  500 http://archive.ubuntu.com/ubuntu cosmic/main amd64 Packages
  100 /var/lib/dpkg/status

  
  3) mkfs.ext4 /dev/bcache0 returns successful creating an ext4 filesystem on 
top of a bcache device

  4) mkfs.ext4 doesn't return and kernel prints hung process info

  [   58.018099] cloud-init[920]: Running command ['mkfs.ext4', '-F', '-L', 
'root-fs', '-U', 'f01aec97-9457-11e8-b8d6-525400123401', '/dev/bcache0'] with 
allowed return codes [0] (capture=True)
  [  242.652018] INFO: task kworker/u4:0:5 blocked for more than 120 seconds.
  [  242.653767]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.655391] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.657397] INFO: task kworker/0:2:410 blocked for more than 120 seconds.
  [  242.659126]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.660980] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.663000] INFO: task bcache_allocato:2326 blocked for more than 120 
seconds.
  [  242.664807]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.666516] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.668503] INFO: task bcache_writebac:2345 blocked for more than 120 
seconds.
  [  242.670301]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.671936] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  242.673909] INFO: task mkfs.ext4:2803 blocked for more than 120 seconds.
  [  242.675414]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  242.677038] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.483998] INFO: task kworker/u4:0:5 blocked for more than 120 seconds.
  [  363.488441]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.489598] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.491043] INFO: task kworker/0:2:410 blocked for more than 120 seconds.
  [  363.492252]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.494085] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.495659] INFO: task bcache_allocato:2326 blocked for more than 120 
seconds.
  [  363.496957]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.498454] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.499866] INFO: task bcache_writebac:2345 blocked for more than 120 
seconds.
  [  363.501156]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.502597] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.
  [  363.504048] INFO: task mkfs.ext4:2803 blocked for more than 120 seconds.
  [  363.505505]   Tainted: P   O 4.15.0-29-generic #31-Ubuntu
  [  363.506677] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables 
this message.

  
  System has two virtio block devices.  bcache was created like so:

  make-bcache -C /dev/vdb
  make-bcache -B /dev/vda2

  resulting in /dev/bcache0

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.15.0-29-generic 4.15.0-29.31
  ProcVersionSignature: User Name 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  AlsaDevices:
   total 0
   crw-rw 1 root audio 116,  1 Jul 31 15:52 seq
   crw-rw 1 root audio 116, 33 Jul 31 15:52 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.10-0ubuntu7
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 
'arecord'
  AudioDevicesInUse: Error: command 

[Kernel-packages] [Bug 1792100] Re: Boot hangs at "loading initial ramdisk..."

[Joseph Salisbury]

Can you also test the following mainline kernels to confirm if this is
due to a SAUCE patch or not:

4.15.18: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.18/
4.16 Final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16/

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Title:
  Boot hangs at "loading initial ramdisk..."

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  I cannot load a kernel beyond 4.15.0-32-generic on my machine.
  Both 4.15.0-33-generic and 4.15.0-34-generic hang at "loading initial 
ramdisk...".

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-34-generic 4.15.0-34.37
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  kms2233 F pulseaudio
   /dev/snd/controlC1:  kms2233 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Sep 12 10:52:00 2018
  HibernationDevice: RESUME=UUID=c3d34d19-9e9e-4967-ac45-f1d699cf5eef
  InstallationDate: Installed on 2018-01-05 (249 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  MachineType: Dell Inc. Precision Tower 7810
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic 
root=UUID=90d43be7-a2f7-4500-8b88-9bd7a549d96d ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-32-generic N/A
   linux-backports-modules-4.15.0-32-generic  N/A
   linux-firmware 1.173.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to bionic on 2018-05-02 (132 days ago)
  dmi.bios.date: 06/25/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A27
  dmi.board.name: 0KJCC5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA27:bd06/25/2018:svnDellInc.:pnPrecisionTower7810:pvr:rvnDellInc.:rn0KJCC5:rvrA00:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision Tower 7810
  dmi.sys.vendor: Dell Inc.

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[Kernel-packages] [Bug 1792100] Re: Boot hangs at "loading initial ramdisk..."

[Joseph Salisbury]

Also, just to confirm to test this kernel you need to install the linux-
modules, linux-modules-extra and linux-image-unsigned .deb packages in
that order.

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Title:
  Boot hangs at "loading initial ramdisk..."

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  I cannot load a kernel beyond 4.15.0-32-generic on my machine.
  Both 4.15.0-33-generic and 4.15.0-34-generic hang at "loading initial 
ramdisk...".

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-34-generic 4.15.0-34.37
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  kms2233 F pulseaudio
   /dev/snd/controlC1:  kms2233 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Sep 12 10:52:00 2018
  HibernationDevice: RESUME=UUID=c3d34d19-9e9e-4967-ac45-f1d699cf5eef
  InstallationDate: Installed on 2018-01-05 (249 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  MachineType: Dell Inc. Precision Tower 7810
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic 
root=UUID=90d43be7-a2f7-4500-8b88-9bd7a549d96d ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-32-generic N/A
   linux-backports-modules-4.15.0-32-generic  N/A
   linux-firmware 1.173.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to bionic on 2018-05-02 (132 days ago)
  dmi.bios.date: 06/25/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A27
  dmi.board.name: 0KJCC5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA27:bd06/25/2018:svnDellInc.:pnPrecisionTower7810:pvr:rvnDellInc.:rn0KJCC5:rvrA00:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision Tower 7810
  dmi.sys.vendor: Dell Inc.

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[Kernel-packages] [Bug 1792100] Re: Boot hangs at "loading initial ramdisk..."

[Joseph Salisbury]

Can you test the following kernel?  It appears this bug may have been 
introduced by a SAUCE patch:
-34: 

https://launchpad.net/~canonical-kernel-
team/+archive/ubuntu/ppa/+build/15307305

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Title:
  Boot hangs at "loading initial ramdisk..."

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  I cannot load a kernel beyond 4.15.0-32-generic on my machine.
  Both 4.15.0-33-generic and 4.15.0-34-generic hang at "loading initial 
ramdisk...".

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-34-generic 4.15.0-34.37
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  kms2233 F pulseaudio
   /dev/snd/controlC1:  kms2233 F pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Sep 12 10:52:00 2018
  HibernationDevice: RESUME=UUID=c3d34d19-9e9e-4967-ac45-f1d699cf5eef
  InstallationDate: Installed on 2018-01-05 (249 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  MachineType: Dell Inc. Precision Tower 7810
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic 
root=UUID=90d43be7-a2f7-4500-8b88-9bd7a549d96d ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-32-generic N/A
   linux-backports-modules-4.15.0-32-generic  N/A
   linux-firmware 1.173.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to bionic on 2018-05-02 (132 days ago)
  dmi.bios.date: 06/25/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A27
  dmi.board.name: 0KJCC5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA27:bd06/25/2018:svnDellInc.:pnPrecisionTower7810:pvr:rvnDellInc.:rn0KJCC5:rvrA00:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision Tower 7810
  dmi.sys.vendor: Dell Inc.

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[Kernel-packages] [Bug 1803173] Re: cloud-init disables user on azure at second reboot

[Scott Moser]

Hi,
I recreated the issue using the Ubuntu upstream kernel builds at
  http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/

After launching a 18.04 instance, and then installing those kernels
and rebooting (generic_4.20.0-999.201811252100) I saw the issue.

I noticed that cloud-init's /var/lib/cloud data was getting messed up,
which didn't make any sense.   The problem that I noticed was 
/var/lib/cloud/instance was a directory rather than a symlink.
It turns out that the problem was walinuxagent was deleting the 
/var/lib/cloud during boot. somewhere before cloud-init modules that
was getting deleted and was wreaking havoc on cloud-init.

It looks like this is at least identified as not the best idea at:
 https://github.com/Azure/WALinuxAgent/commit/f42d2e75617bb54

I verified that cloud-init was working properly by itself with:
  systemctl disable walinuxagent
before the reboot into the new kernel.  All was well.
On reboot, cloud-init still used the azure datasource and had a single
entry in /var/lib/cloud/instances/

So, I'm marking this 'Invalid' for cloud-init.  The fix needs to be
to have walinuxagent stop deleting state from other programs.


** Also affects: walinuxagent (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: cloud-init
   Status: Confirmed => Invalid

** Changed in: walinuxagent (Ubuntu)
   Status: New => Confirmed

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Title:
  cloud-init disables user on azure at second reboot

Status in cloud-init:
  Invalid
Status in linux package in Ubuntu:
  Triaged
Status in walinuxagent package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  Environment:

  platform: Azure
  arm image: Canonical UbuntuServer 16.04-DAILY-LTS latest

  Steps:

  Deploy VM with user/pass authentication
  Install latest linux-next-upstream kernel (for example 4.19.0-4db9d11bcbef, 
where 4db9d11bcbef is the git tag from the linux-next latest tree: 
https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next/)
  reboot (all good)
  reboot again
  cloud-init disables the username password authentication
  I checked the cloud-init logs and found:

  2018-11-01 16:45:28,566 - init.py[INFO]: User already exists, skipping.
  2018-11-01 16:45:28,570 - util.py[DEBUG]: Running command ['passwd', '-l', 
''] with allowed return codes [0] (shell=False, capture=True)
  2018-11-01 16:45:28,793 - util.py[DEBUG]: Reading from /etc/sudoers 
(quiet=False)
  2018-11-01 16:45:28,795 - util.py[DEBUG]: Read 781 bytes from /etc/sudoers
  2018-11-01 16:45:28,796 - util.py[DEBUG]: Writing to 
/etc/sudoers.d/90-cloud-init-users - ab: [None] 51 bytes
  2018-11-01 16:45:28,797 - handlers.py[DEBUG]: finish: 
init-network/config-users-groups: SUCCESS: config-users-groups ran successfully

  This issue is very bad one, as it can render your vm inaccessible on Azure.
  I think this problem is due to the new kernel installation.

  Initial bug report:
  https://github.com/Azure/WALinuxAgent/issues/1386

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[Kernel-packages] [Bug 1803173] Re: cloud-init disables user on azure at second reboot

[Brad Figg]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Triaged

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Title:
  cloud-init disables user on azure at second reboot

Status in cloud-init:
  Invalid
Status in linux package in Ubuntu:
  Triaged
Status in walinuxagent package in Ubuntu:
  Confirmed

Bug description:
  Hello,

  Environment:

  platform: Azure
  arm image: Canonical UbuntuServer 16.04-DAILY-LTS latest

  Steps:

  Deploy VM with user/pass authentication
  Install latest linux-next-upstream kernel (for example 4.19.0-4db9d11bcbef, 
where 4db9d11bcbef is the git tag from the linux-next latest tree: 
https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next/)
  reboot (all good)
  reboot again
  cloud-init disables the username password authentication
  I checked the cloud-init logs and found:

  2018-11-01 16:45:28,566 - init.py[INFO]: User already exists, skipping.
  2018-11-01 16:45:28,570 - util.py[DEBUG]: Running command ['passwd', '-l', 
''] with allowed return codes [0] (shell=False, capture=True)
  2018-11-01 16:45:28,793 - util.py[DEBUG]: Reading from /etc/sudoers 
(quiet=False)
  2018-11-01 16:45:28,795 - util.py[DEBUG]: Read 781 bytes from /etc/sudoers
  2018-11-01 16:45:28,796 - util.py[DEBUG]: Writing to 
/etc/sudoers.d/90-cloud-init-users - ab: [None] 51 bytes
  2018-11-01 16:45:28,797 - handlers.py[DEBUG]: finish: 
init-network/config-users-groups: SUCCESS: config-users-groups ran successfully

  This issue is very bad one, as it can render your vm inaccessible on Azure.
  I think this problem is due to the new kernel installation.

  Initial bug report:
  https://github.com/Azure/WALinuxAgent/issues/1386

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[Kernel-packages] [Bug 1776563] Re: Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

[Nikhil Gautam]

Also, all the acpi features works as they should including touchpad
(advanced), brightness keys

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Title:
  Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't
  load, kernel freeze  (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

Status in amd:
  Fix Released
Status in Linux:
  Incomplete
Status in linux package in Ubuntu:
  Triaged
Status in linux-firmware package in Ubuntu:
  Confirmed

Bug description:
  CPU: Ryzen 5 2500U
  VGA: Radeon 535
  Notebook: Acer Aspire A315

  This is a brand new notebook on the market with Ryzen 5/Radeon. 
  The default kernel of Ubuntu(18.04) hangs at loading with message:

  tsc: Refined TSC clocksource calibration: 1996.250 MHz
  clocksource: tsc: mask: 0x max_cycles: (...), max_idle_ns: 
(...) 
  Soft lockup

  Using pci=noacpi kernel parameter kernel loads without any problem but
  my notebook produces more heat than on Win10. If I know right Acer
  notebooks need ACPI to the correct power management.

  The same thing happens on mainline 4.17,4.18rc1-2.
  BIOS upgrade to the latest version: 1.08 hasn't helped

  This problem has been reported upstream:
  https://bugzilla.kernel.org/show_bug.cgi?id=200087

  The latest correctly working kernel was 4.13.* but the heat problem
  was present with this too.

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[Kernel-packages] [Bug 1776563] Re: Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

[Nikhil Gautam]

Good new, Everyone!!

I tried to install Manjaro 18(Gnome) in my laptop, it boots without any
boot flag not even acpi=off. As for now I am currently installing it on
my system.

This a WiFi bug that facing but I think that can be easily fixed.

Good day.

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Title:
  Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't
  load, kernel freeze  (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash

Status in amd:
  Fix Released
Status in Linux:
  Incomplete
Status in linux package in Ubuntu:
  Triaged
Status in linux-firmware package in Ubuntu:
  Confirmed

Bug description:
  CPU: Ryzen 5 2500U
  VGA: Radeon 535
  Notebook: Acer Aspire A315

  This is a brand new notebook on the market with Ryzen 5/Radeon. 
  The default kernel of Ubuntu(18.04) hangs at loading with message:

  tsc: Refined TSC clocksource calibration: 1996.250 MHz
  clocksource: tsc: mask: 0x max_cycles: (...), max_idle_ns: 
(...) 
  Soft lockup

  Using pci=noacpi kernel parameter kernel loads without any problem but
  my notebook produces more heat than on Win10. If I know right Acer
  notebooks need ACPI to the correct power management.

  The same thing happens on mainline 4.17,4.18rc1-2.
  BIOS upgrade to the latest version: 1.08 hasn't helped

  This problem has been reported upstream:
  https://bugzilla.kernel.org/show_bug.cgi?id=200087

  The latest correctly working kernel was 4.13.* but the heat problem
  was present with this too.

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[Kernel-packages] [Bug 1805011] Re: USB E-MU 0202/0404 reset and disconnect

[Sergey]

Install latest kernek version v4.20-rc4. Nothing changed.

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Title:
  USB E-MU 0202/0404 reset and disconnect

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Used ubuntu 18.04. Sound card permanently disabled and freezes. Different 
laptops were used, the problem has not changed. Used different cable.
  [   23.456082] usb 4-1: new full-speed USB device number 2 using uhci_hcd
  [   23.620103] usb 4-1: not running at top speed; connect to a high speed hub
  [   23.655112] usb 4-1: New USB device found, idVendor=041e, idProduct=3f02
  [   23.655117] usb 4-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [   23.655122] usb 4-1: Product: E-MU 0202 | USB
  [   23.655126] usb 4-1: Manufacturer: E-MU Systems, Inc.
  [   23.655130] usb 4-1: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [   24.029429] usb 1-3: USB disconnect, device number 4
  [   62.156059] usb 1-3: new high-speed USB device number 5 using ehci-pci
  [   62.314540] usb 1-3: New USB device found, idVendor=041e, idProduct=3f02
  [   62.314544] usb 1-3: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [   62.314547] usb 1-3: Product: E-MU 0202 | USB
  [   62.314550] usb 1-3: Manufacturer: E-MU Systems, Inc.
  [   62.314552] usb 1-3: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [   62.516964] usb 4-1: USB disconnect, device number 2
  [  147.904012] ehci-pci :00:1a.7: port 3 reset error -110
  [  149.068094] usb 4-1: new full-speed USB device number 3 using uhci_hcd
  [  149.226189] usb 4-1: not running at top speed; connect to a high speed hub
  [  149.260214] usb 4-1: New USB device found, idVendor=041e, idProduct=3f02
  [  149.260219] usb 4-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [  149.260224] usb 4-1: Product: E-MU 0202 | USB
  [  149.260228] usb 4-1: Manufacturer: E-MU Systems, Inc.
  [  149.260232] usb 4-1: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [  149.636378] usb 1-3: USB disconnect, device number 5
  [  314.216062] usb 1-3: new high-speed USB device number 6 using ehci-pci
  [  314.374729] usb 1-3: New USB device found, idVendor=041e, idProduct=3f02
  [  314.374735] usb 1-3: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [  314.374739] usb 1-3: Product: E-MU 0202 | USB
  [  314.374743] usb 1-3: Manufacturer: E-MU Systems, Inc.
  [  314.374747] usb 1-3: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [  314.576366] usb 4-1: USB disconnect, device number 3
  [  314.580951] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581159] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581362] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581839] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.582271] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584189] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584439] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584626] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.585109] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.585880] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598231] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598331] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598422] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598731] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598970] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.599867] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.599960] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600112] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600322] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600540] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601171] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601261] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601353] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601545] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601756] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602345] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602436] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602528] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602716] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602927] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.603494] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.603584] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.603676] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.603864] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.604211] usb 1-3: 4:0: cannot get min/max values for control 2 (id 4)
  [  314.605094] usb 1-3: USB disconnect, device number 6
  [  314.884054] usb 1-3: new high-speed USB device number 7 using ehci-pci
  [  315.042584] usb 1-3: New USB device 

[Kernel-packages] [Bug 1805011] Re: USB E-MU 0202/0404 reset and disconnect

[Sergey]

There log
Nov 26 22:00:46 X230 kernel: [   95.099773] usb 1-1.2: new high-speed USB 
device number 7 using ehci-pci
Nov 26 22:00:47 X230 kernel: [   95.211494] usb 1-1.2: New USB device found, 
idVendor=041e, idProduct=3f02, bcdDevice= 1.00
Nov 26 22:00:47 X230 kernel: [   95.211496] usb 1-1.2: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
Nov 26 22:00:47 X230 kernel: [   95.211497] usb 1-1.2: Product: E-MU 0202 | USB
Nov 26 22:00:47 X230 kernel: [   95.211498] usb 1-1.2: Manufacturer: E-MU 
Systems, Inc.
Nov 26 22:00:47 X230 kernel: [   95.211499] usb 1-1.2: SerialNumber: 
E-MU-03-3F02-07DA0C14-0E730-8740T2A
Nov 26 22:01:02 X230 kernel: [  110.403825] usb 1-1.2: reset high-speed USB 
device number 7 using ehci-pci
Nov 26 22:01:20 X230 kernel: [  128.584696] usb 1-1.2: cannot submit urb 0, 
error -2: endpoint not enabled
Nov 26 22:01:29 X230 kernel: [  137.732266] usb 1-1.2: USB disconnect, device 
number 7
Nov 26 22:01:34 X230 kernel: [  142.343904] usb 3-1: new high-speed USB device 
number 2 using xhci_hcd
Nov 26 22:01:34 X230 kernel: [  142.494670] usb 3-1: New USB device found, 
idVendor=041e, idProduct=3f02, bcdDevice= 1.00
Nov 26 22:01:34 X230 kernel: [  142.494675] usb 3-1: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
Nov 26 22:01:34 X230 kernel: [  142.494679] usb 3-1: Product: E-MU 0202 | USB
Nov 26 22:01:34 X230 kernel: [  142.494682] usb 3-1: Manufacturer: E-MU 
Systems, Inc.
Nov 26 22:01:34 X230 kernel: [  142.494684] usb 3-1: SerialNumber: 
E-MU-03-3F02-07DA0C14-0E730-8740T2A
Nov 26 22:01:56 X230 kernel: [  164.372308] usb 3-1: reset high-speed USB 
device number 2 using xhci_hcd
Nov 26 22:02:18 X230 kernel: [  186.300396] usb 3-1: reset high-speed USB 
device number 2 using xhci_hcd
Nov 26 22:02:23 X230 kernel: [  191.676141] usb 3-1: device descriptor read/64, 
error -110
Nov 26 22:02:33 X230 kernel: [  201.808728] usb 3-1: cannot submit urb 0, error 
-19: no device
Nov 26 22:02:33 X230 kernel: [  201.809015] xhci_hcd :00:14.0: ERROR: 
unexpected command completion code 0x13.
Nov 26 22:02:33 X230 kernel: [  201.809173] usb 3-1: USB disconnect, device 
number 2
Nov 26 22:02:33 X230 kernel: [  201.810005] xhci_hcd :00:14.0: Slot 1 
endpoint 1 not removed from BW list!
Nov 26 22:02:33 X230 kernel: [  201.810009] xhci_hcd :00:14.0: Slot 1 
endpoint 2 not removed from BW list!
Nov 26 22:02:37 X230 kernel: [  205.608100] usb 3-1: new high-speed USB device 
number 3 using xhci_hcd
Nov 26 22:02:37 X230 kernel: [  205.758942] usb 3-1: New USB device found, 
idVendor=041e, idProduct=3f02, bcdDevice= 1.00
Nov 26 22:02:37 X230 kernel: [  205.758950] usb 3-1: New USB device strings: 
Mfr=1, Product=2, SerialNumber=3
Nov 26 22:02:37 X230 kernel: [  205.758955] usb 3-1: Product: E-MU 0202 | USB
Nov 26 22:02:37 X230 kernel: [  205.758960] usb 3-1: Manufacturer: E-MU 
Systems, Inc.
Nov 26 22:02:37 X230 kernel: [  205.758964] usb 3-1: SerialNumber: 
E-MU-03-3F02-07DA0C14-0E730-8740T2A
Nov 26 22:03:54 X230 kernel: [  282.549975] watchdog: BUG: soft lockup - CPU#2 
stuck for 23s! [kworker/2:0:26]
Nov 26 22:03:54 X230 kernel: [  282.549978] Modules linked in: acpi_call(OE) 
ccm cmac bnep uvcvideo videobuf2_vmalloc btusb videobuf2_memops btrtl 
videobuf2_v4l2 btbcm videobuf2_common btintel videodev bluetooth media 
snd_usb_audio snd_usbmidi_lib ecdh_generic snd_rawmidi snd_seq_device 
intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel 
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc arc4 aesni_intel 
aes_x86_64 iwldvm crypto_simd cryptd glue_helper mac80211 intel_cstate gpio_ich 
intel_rapl_perf snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic 
input_leds snd_hda_intel iwlwifi serio_raw wmi_bmof snd_hda_codec snd_hda_core 
snd_hwdep snd_pcm cfg80211 thinkpad_acpi snd_timer lpc_ich nvram snd soundcore 
mei_me mei mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables 
autofs4 i915 kvmgt
Nov 26 22:03:54 X230 kernel: [  282.550014]  vfio_mdev mdev vfio_iommu_type1 
vfio kvm irqbypass i2c_algo_bit drm_kms_helper sdhci_pci syscopyarea 
sysfillrect sysimgblt fb_sys_fops drm psmouse cqhci sdhci ahci e1000e i2c_i801 
libahci wmi video
Nov 26 22:03:54 X230 kernel: [  282.550026] CPU: 2 PID: 26 Comm: kworker/2:0 
Tainted: G   OE 4.19.4-041904-generic #201811230330
Nov 26 22:03:54 X230 kernel: [  282.550027] Hardware name: LENOVO 
2306CTO/2306CTO, BIOS G2ETB3WW (2.73 ) 06/19/2018
Nov 26 22:03:54 X230 kernel: [  282.550031] Workqueue: events netstamp_clear
Nov 26 22:03:54 X230 kernel: [  282.550036] RIP: 
0010:smp_call_function_many+0x1f1/0x250
Nov 26 22:03:54 X230 kernel: [  282.550037] Code: 34 8b 00 3b 05 24 3c 76 01 0f 
83 9a fe ff ff 48 63 d0 48 8b 0b 48 03 0c d5 00 37 fc a7 8b 51 18 83 e2 01 74 
0a f3 90 8b 51 18 <83> e2 01 75 f6 eb c7 48 c7 c2 60 46 49 a8 4c 89 fe 89 df e8 
47 35
Nov 26 22:03:54 X230 kernel: [  282.550038] RSP: 0018:b669c0d93d00 EFLAGS: 
0202 ORIG_RAX: ff13
Nov 26 22:03:54 X230 

[Kernel-packages] [Bug 1804505] Re: Kubuntu 18.04.01 - Ryzen 2400G / AMDGPU - Random system freezes

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  Kubuntu 18.04.01 - Ryzen 2400G / AMDGPU - Random system freezes

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am experiencing some stray lockups which are most likely related to
  AMDGPU. There is no apparent logic in the pattern with wich the system
  hangs and I cannot provide any steps to reproduce the problem. One
  time it happened as I clicked a link in Firefox, new tab opened and
  the system froze. Another time, Firefox was not open and I was about
  to edit a text file by clicking "F4 Edit" in Krusader and the system
  froze. When the system freezes, it is completely unresponsive and
  there are no other options than to reset and reboot. The system
  generates no error reports as far as I can figure out and the only
  apparent info are some entries in the syslog. I have appended relevant
  info below, if further info may be needed please ask :)

  [b]inxi -Fz[/b]

  System:Host: computername Kernel: 4.19.1-041901-generic x86_64 bits: 64 
Desktop: KDE Plasma 5.12.6
 Distro: Ubuntu 18.04.1 LTS
  Machine:   Device: desktop Mobo: ASUSTeK model: PRIME A320M-A v: Rev X.0x 
serial: N/A
 UEFI: American Megatrends v: 4023 date: 08/20/2018
  Batteryhidpp__0: charge: 80% condition: NA/NA Wh
  CPU:   Quad core AMD Ryzen 5 2400G with Radeon Vega Graphics (-MT-MCP-) 
cache: 2048 KB
 clock speeds: max: 3600 MHz 1: 1454 MHz 2: 1418 MHz 3: 1419 MHz 4: 
1419 MHz 5: 1419 MHz 6: 1419 MHz
 7: 1436 MHz 8: 1582 MHz
  Graphics:  Card: Advanced Micro Devices [AMD/ATI] Vega [Radeon Vega 8 Mobile]
 Display Server: x11 (X.Org 1.19.6 ) drivers: ati,amdgpu (unloaded: 
modesetting,fbdev,vesa,radeon)
 Resolution: 1680x1050@59.88hz
 OpenGL: renderer: AMD RAVEN (DRM 3.27.0 / 4.19.1-041901-generic, 
LLVM 6.0.0) version: 4.5 Mesa 18.0.5
  Audio: Card-1 Advanced Micro Devices [AMD] Device 15e3 driver: 
snd_hda_intel
 Card-2 Advanced Micro Devices [AMD/ATI] Device 15de driver: 
snd_hda_intel
 Sound: Advanced Linux Sound Architecture v: k4.19.1-041901-generic
  Network:   Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
Controller driver: r8169
 IF: enp5s0 state: up speed: 100 Mbps duplex: full mac: 
  Drives:HDD Total Size: 250.1GB (26.2% used)
 ID-1: /dev/nvme0n1 model: Samsung_SSD_970_EVO_250GB size: 250.1GB
  Partition: ID-1: / size: 228G used: 61G (29%) fs: ext4 dev: /dev/nvme0n1p2
  RAID:  No RAID devices: /proc/mdstat, md_mod kernel module present
  Sensors:   System Temperatures: cpu: N/A mobo: N/A gpu: 26.0
 Fan Speeds (in rpm): cpu: 0
  Info:  Processes: 232 Uptime: 22 min Memory: 1176.8/6960.8MB Client: 
Shell (bash) inxi: 2.3.56 

  
  [b]SYSLOG[/b]

  Prior to the first relevant entry posted here is a CRON entry @
  13:18:01 which seems unrelated to the issue. All entries where
  preceeded with "Nov 21 13:23:13 computername kernel: ":

  [ 4335.012512] gmc_v9_0_process_interrupt: 13 callbacks suppressed
  [ 4335.012516] amdgpu :08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 
vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870
  [ 4335.012516] )
  [ 4335.012521] amdgpu :08:00.0:   at address 0x000101c0d000 from 27
  [ 4335.012523] amdgpu :08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031
  [ 4335.012530] amdgpu :08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 
vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870
  [ 4335.012530] )
  [ 4335.012532] amdgpu :08:00.0:   at address 0x000101c11000 from 27
  [ 4335.012534] amdgpu :08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031
  [ 4335.012540] amdgpu :08:00.0: [gfxhub] VMC page fault (src_id:0 ring:24 
vmid:1 pasid:32768, for process Xorg pid 863 thread amdgpu_cs:0 pid 870
  [ 4335.012540] )
  [ 4335.012542] amdgpu :08:00.0:   at address 0x000101c29000 from 27
  [ 4335.012544] amdgpu :08:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00101031
  [ 4335.012550] amdgpu :08:00.0: [gfxhub] VMC 

[Kernel-packages] [Bug 1805011] Re: USB E-MU 0202/0404 reset and disconnect

[Sergey]

I recently bought this old sound card. I can not say when it stopped working 
normally. In Ubuntu 12.04, it works stably. I will try to check in ubuntu 16.04
Updated the kernel, it became even worse. Linux is half frozen. Logs could not 
be saved.

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

** Tags added: kernel-bug-exists-upstrea

** Tags removed: kernel-bug-exists-upstrea
** Tags added: kernel-bug-exists-upstream

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Title:
  USB E-MU 0202/0404 reset and disconnect

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Used ubuntu 18.04. Sound card permanently disabled and freezes. Different 
laptops were used, the problem has not changed. Used different cable.
  [   23.456082] usb 4-1: new full-speed USB device number 2 using uhci_hcd
  [   23.620103] usb 4-1: not running at top speed; connect to a high speed hub
  [   23.655112] usb 4-1: New USB device found, idVendor=041e, idProduct=3f02
  [   23.655117] usb 4-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [   23.655122] usb 4-1: Product: E-MU 0202 | USB
  [   23.655126] usb 4-1: Manufacturer: E-MU Systems, Inc.
  [   23.655130] usb 4-1: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [   24.029429] usb 1-3: USB disconnect, device number 4
  [   62.156059] usb 1-3: new high-speed USB device number 5 using ehci-pci
  [   62.314540] usb 1-3: New USB device found, idVendor=041e, idProduct=3f02
  [   62.314544] usb 1-3: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [   62.314547] usb 1-3: Product: E-MU 0202 | USB
  [   62.314550] usb 1-3: Manufacturer: E-MU Systems, Inc.
  [   62.314552] usb 1-3: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [   62.516964] usb 4-1: USB disconnect, device number 2
  [  147.904012] ehci-pci :00:1a.7: port 3 reset error -110
  [  149.068094] usb 4-1: new full-speed USB device number 3 using uhci_hcd
  [  149.226189] usb 4-1: not running at top speed; connect to a high speed hub
  [  149.260214] usb 4-1: New USB device found, idVendor=041e, idProduct=3f02
  [  149.260219] usb 4-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [  149.260224] usb 4-1: Product: E-MU 0202 | USB
  [  149.260228] usb 4-1: Manufacturer: E-MU Systems, Inc.
  [  149.260232] usb 4-1: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [  149.636378] usb 1-3: USB disconnect, device number 5
  [  314.216062] usb 1-3: new high-speed USB device number 6 using ehci-pci
  [  314.374729] usb 1-3: New USB device found, idVendor=041e, idProduct=3f02
  [  314.374735] usb 1-3: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [  314.374739] usb 1-3: Product: E-MU 0202 | USB
  [  314.374743] usb 1-3: Manufacturer: E-MU Systems, Inc.
  [  314.374747] usb 1-3: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [  314.576366] usb 4-1: USB disconnect, device number 3
  [  314.580951] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581159] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581362] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581839] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.582271] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584189] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584439] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584626] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.585109] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.585880] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598231] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598331] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598422] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598731] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598970] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.599867] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.599960] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600112] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600322] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600540] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601171] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601261] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601353] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601545] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601756] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602345] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602436] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602528] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602716] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602927] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.603494] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.603584] usb 4-1: 1:1: usb_set_interface 

[Kernel-packages] [Bug 1805142] Re: Driver Bugs on LenovoMiix320

[Joseph Salisbury]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

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Title:
  Driver Bugs on LenovoMiix320

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Audio: Need this patch: 
https://github.com/stockmind/gpd-pocket-ubuntu-respin/tree/master/audio
  Power: doesn't work since ubuntu 16.04.3 with kernel 4.10.28
  Camera and Rotate sensor: not working
  Display: Wrong rotation by default
  Backlight: Screen become black after starting backlight-related service on 
boot.
  WLAN: Cannot enable again after disabled, when i execute "ifconfig wlp1s0 
up", it says RFKILL

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-39-generic 4.15.0-39.42
  ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
  Uname: Linux 4.15.0-39-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  gdm2102 F pulseaudio
zqm3310 F pulseaudio
   /dev/snd/controlC0:  gdm2102 F pulseaudio
zqm3310 F pulseaudio
  Date: Mon Nov 26 20:41:44 2018
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
   Bus 001 Device 004: ID 048d:8911 Integrated Technology Express, Inc. 
   Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 80XF
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-39-generic 
root=UUID=13b55676-8f94-42b0-83d1-883ad6f8d2a3 ro fbcon=rotate:1
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-39-generic N/A
   linux-backports-modules-4.15.0-39-generic  N/A
   linux-firmware 1.173.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/20/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 5HCN37WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0K09938WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 32
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo MIIX 320-10ICR
  dmi.modalias: 
dmi:bvnLENOVO:bvr5HCN37WW:bd03/20/2018:svnLENOVO:pn80XF:pvrLenovoMIIX320-10ICR:rvnLENOVO:rnLNVNB161216:rvrSDK0K09938WIN:cvnLENOVO:ct32:cvrLenovoMIIX320-10ICR:
  dmi.product.family: MIIX 320-10ICR
  dmi.product.name: 80XF
  dmi.product.version: Lenovo MIIX 320-10ICR
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1805122] Re: One of two monitor work after 18.10 update

[Joseph Salisbury]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  One of two monitor work after 18.10 update

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hi !

  I just upgraded 18.04 to 18.10. I got two monitor connected on
  motherboard. One in VGA, the other in hdmi.

  Both screens works until i log in. After this, the vga screen become
  black and display nothing.

  The only solution i found was to unplug vga cable and re plug it after
  desktop charged completely.

  Any suggestion?

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[Kernel-packages] [Bug 1805152] Re: touchpad not working on 18.04

[Joseph Salisbury]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

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Title:
  touchpad not working on 18.04

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  hi,
  new laptop, new 18.04 installation on dual system

  touchpad had never worked under ubuntu - works ok under WIN10
  debug files attached

  thanks

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[Kernel-packages] [Bug 1787405] Re: [FEAT] Guest-dedicated Crypto Adapters

[Launchpad Bug Tracker]

This bug was fixed in the package libvirt - 4.6.0-2ubuntu4

---
libvirt (4.6.0-2ubuntu4) disco; urgency=medium

  * debian/patches/ubuntu/lp1787405-*: Support guest dedicated Crypto
Adapters on s390x (LP: #1787405)
  * d/p/ubuntu/lp-1802727-netdevbridge-fall-back-to-ioctl-from-sysfs.patch:
fix libvirt bridge handling in unprivileged containers (LP: #1802906)

 -- Christian Ehrhardt   Fri, 09 Nov
2018 07:42:01 +0100

** Changed in: libvirt (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  [FEAT] Guest-dedicated Crypto Adapters

Status in Ubuntu on IBM z Systems:
  In Progress
Status in libvirt package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Fix Committed
Status in qemu package in Ubuntu:
  In Progress
Status in libvirt source package in Bionic:
  Triaged
Status in linux source package in Bionic:
  Fix Committed
Status in qemu source package in Bionic:
  Triaged
Status in libvirt source package in Cosmic:
  Triaged
Status in linux source package in Cosmic:
  Fix Committed
Status in qemu source package in Cosmic:
  Triaged
Status in linux source package in Disco:
  Fix Committed

Bug description:
  [Impact]

   * The ability to pass through more cryptographic capabilities is a very
     important feature for users of s390x as virtualization platform.
     Its availability upstream now and its backport in this bug allows to
     exploit the crypto cards as new HW for these virtualization use
     cases.

   * This falls under both "other safe cases" SRU exceptions:
  - For Long Term Support releases we regularly want to enable new
    hardware ...
  - For Long Term Support releases we sometimes want to introduce new
    features. They must not change the behaviour on existing
    installations ...

   * This bug has three main components:
     - kernel (ability to do all of this)
     - qemu (add feature to exploit the new code)
     - libvirt (make the feature user consumable)

  [Test Case]

   * In general this consists of a few steps
 - get the updated kernel/qemu/libvirt
 - mask the card & domains from the usual driver
 - load vfio-ap
 - assign card to vfio-ap
 - prepare a guest
 - configure a guest to use the card

   * See comment #66 how to do all of that in detail

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1787405/comments/66

  [Regression Potential]

   * The changes are mostly s390x only and adding a new feature so
     regressions to existing components should be low. But to backport it
     slight changes to the MDEV handling had to be applied as well.
     The potential regressions I can see are in that MDEV handling if one
     of the backports would be bad.
     Fortunately we know that without the related libvirt fixes we added
     here using MDEVs didn't work at all yet, and people very rarely use
     qemu without libvirt for anything else than experiments.
     Therefore I'm confident that even if there would be a flaw in the
     MDEV changes no one is hugely relying on it.

  [Other Info]

   * n/a

  == SRU Justification ==

  (Kernel SRU)

  Allow kvm to dedicate crypto adapters (and domains) as passthrough devices to 
a KVM guest such that the hypervisor cannot observe the communication of the 
guest with the device.
  (Since all kernel patches/commits are from kernel 4.19, they will 
automagically land in 'Disco'.)

  == Fix ==

  9ea5972 ("KVM: s390: vsie: simulate VCPU SIE entry/exit")
  3194cdb ("KVM: s390: introduce and use KVM_REQ_VSIE_RESTART")
  e585b24 ("KVM: s390: refactor crypto initialization")
  1fde573 ("s390: vfio-ap: base implementation of VFIO AP device driver")
  65f0671 ("s390: vfio-ap: register matrix device with VFIO mdev framework")
  96d152b ("s390: vfio-ap: sysfs interfaces to configure adapters")
  3211da0 ("s390: vfio-ap: sysfs interfaces to configure domains")
  3b1eab7 ("s390: vfio-ap: sysfs interfaces to configure control domains")
  81b2b4b ("s390: vfio-ap: sysfs interface to view matrix mdev matrix")
  4210459 ("KVM: s390: interface to clear CRYCB masks")
  258287c ("s390: vfio-ap: implement mediated device open callback")
  e06670c ("s390: vfio-ap: implement VFIO_DEVICE_GET_INFO ioctl")
  46a7263 ("s390: vfio-ap: zeroize the AP queues")
  cd8a377 ("s390: vfio-ap: implement VFIO_DEVICE_RESET ioctl")
  6cc571b ("KVM: s390: Clear Crypto Control Block when using vSIE")
  d6f6959 ("KVM: s390: vsie: Do the CRYCB validation first")
  3af84de ("KVM: s390: vsie: Make use of CRYCB FORMAT2 clear")
  56019f9 ("KVM: s390: vsie: Allow CRYCB FORMAT-2")
  19fd83a ("KVM: s390: vsie: allow CRYCB FORMAT-1")
  6ee7409 ("KVM: s390: vsie: allow CRYCB FORMAT-0")
  c9ba8c2 ("KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-1")
  6b79de4 ("KVM: s390: vsie: allow guest FORMAT-1 CRYCB on host 

[Kernel-packages] [Bug 1789924] Re: Missing Intel GPU pci-id's

[Adam Conrad]

Hello Timo, or anyone else affected,

Accepted libdrm into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/libdrm/2.4.95-1~18.04.1 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: libdrm (Ubuntu Bionic)
   Status: Confirmed => Fix Committed

** Tags removed: verification-done-bionic
** Tags added: verification-needed-bionic

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Title:
  Missing Intel GPU pci-id's

Status in libdrm package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  Confirmed
Status in xorg-server package in Ubuntu:
  Fix Released
Status in libdrm source package in Bionic:
  Fix Committed
Status in linux source package in Bionic:
  Fix Released
Status in mesa source package in Bionic:
  Confirmed
Status in xorg-server source package in Bionic:
  Fix Released

Bug description:
  [Impact]
  There are some new Intel GPU pci-id's that need to be added to several places:

  0x3E98
  0x87C0

  and to make future additions easier, add platform definitions for
  Whiskey Lake and Amber Lake too.

  [Test case]
  Check that the user session uses the proper driver on these systems.

  [Regression potential]
  none, these just add pci-id's and platform definitions

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[Kernel-packages] [Bug 1791427] Re: Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1 Carbon 6th

[Bryan Quigley]

Looks like there was a BIOS (1.34) release on the 23rd - has anyone
tried that yet?  https://pcsupport.lenovo.com/us/en/products/LAPTOPS-
AND-NETBOOKS/THINKPAD-X-SERIES-LAPTOPS/THINKPAD-X1-CARBON-6TH-GEN-TYPE-
20KH-20KG/downloads/DS502282

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Title:
  Touchpad and/or trackpoint stop working after S3 suspend on Lenovo X1
  Carbon 6th

Status in linux package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 18.04.1

  Terminology in case we use different terms:
  touchpad - just the rectangular touch-sensitive surface below the keyboard 
(xinput lists it as Synaptics TM3288-011)
  trackpoint - the red thingy built into the keyboard + 3 physical buttons 
below the keyboard (trackpoint and buttons are integrated together; listed in 
xinput as TPPS/2 Elan TrackPoint)

  On September 7th, 2018, Lenovo has issued a BIOS update (v1.30), which
  enables proper S3 deep sleep state - users no longer have to patch
  DSDT tables to get it. It can be enabled in the BIOS settings. In X1
  carbon 6th generation models that have NFC, when laptop wakes from
  suspend by opening the lid, in most cases both touchpad and trackpoint
  stop working completely. They are also no longer listed when running
  xinput command. Sometimes just one of them stops working, usually the
  trackpoint. In some rare cases it is possible to bring them back by
  using these commands:

  echo -n none > /sys/devices/platform/i8042/serio1/drvctl
  echo -n reconnect > /sys/devices/platform/i8042/serio1/drvctl
  rmmod psmouse
  modprobe psmouse

  These worked properly when waking up from S2Idle sleep state (had
  these in a script that runs after waking the machine from suspend),
  but with S3 deep sleep these rarely work and the only way to bring
  back touchpad and/or trackpoint is turning off the machine and turning
  it on (restart does not help).

  I could not find any pattern that would show when the input devices
  stop working or start working again using the commands mentioned
  above. It's completely random from my perspective.

  This is happening on the standard issue 4.15.0-33-generic kernel that
  shipped with my Ubuntu 18.04 (with updates), as well as with newer
  mainline kernels, such as the newest point versions of 4.17, 4.18 and
  4.19 RC2.

  This happens regardless of whether "blacklist i2c_i801" is commented
  out in /etc/modprobe.d/blacklist.conf or not. It happens regardless of
  whether "psmouse.synaptics_intertouch=1" is passed as grub parameter.
  Presence of TLP does not make it better, nor worse.

  It appears that non-NFC models are not affected. I know at least one
  Arch Linux user who has the exact same model, but without this issue.
  I'm using synaptics driver (no libinput installed), he uses libinput
  and doesn't have synaptics, if that information is of any use.
  Libinput does not seem to help.

  This forum thread also has more details from users who updated their
  BIOS to get S3 suspend: https://forums.lenovo.com/t5/Linux-
  Discussion/X1-Carbon-Gen-6-cannot-enter-deep-sleep-S3-state-aka-
  Suspend-to/td-p/3998182/page/27

  Another related thread:
  https://bbs.archlinux.org/viewtopic.php?id=236367

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-33-generic 4.15.0-33.36
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   maciej 2651 F...m pulseaudio
   /dev/snd/controlC0:  maciej 2651 F pulseaudio
  CurrentDesktop: i3
  Date: Sat Sep  8 13:45:43 2018
  HibernationDevice: RESUME=UUID=3116dcb0-d91e-4b2a-8166-43b7a9a9d36e
  InstallationDate: Installed on 2018-07-21 (49 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 13d3:56b2 IMC Networks 
   Bus 001 Device 002: ID 04b4:0060 Cypress Semiconductor Corp. Wireless 
optical mouse
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20KH006KPB
  ProcFB:
   0 EFI VGA
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-33-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash psmouse.synaptics_intertouch=1 
vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-33-generic N/A
   linux-backports-modules-4.15.0-33-generic  N/A
   linux-firmware 1.173.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/31/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N23ET55W (1.30 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20KH006KPB
  dmi.board.vendor: LENOVO
  

[Kernel-packages] [Bug 1804999] Re: package libnvidia-cfg1-390 (not installed) failed to install/upgrade: conflicting packages - not installing libnvidia-cfg1-390:amd64

[Mike Salvatore]

Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug.  I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross privilege boundaries nor directly cause loss of data/privacy.
Please feel free to report any other bugs you may find.

** Information type changed from Private Security to Public

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https://bugs.launchpad.net/bugs/1804999

Title:
  package libnvidia-cfg1-390 (not installed) failed to install/upgrade:
  conflicting packages - not installing libnvidia-cfg1-390:amd64

Status in nvidia-graphics-drivers-390 package in Ubuntu:
  New

Bug description:
  package failed to install.

  ProblemType: Package
  DistroRelease: Ubuntu 18.10
  Package: libnvidia-cfg1-390 (not installed)
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Uname: Linux 4.18.0-11-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  Date: Sun Nov 25 16:44:08 2018
  ErrorMessage: conflicting packages - not installing libnvidia-cfg1-390:amd64
  InstallationDate: Installed on 2018-11-25 (0 days ago)
  InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 
(20181017.3)
  Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 
3.6.7-1~18.10
  PythonDetails: /usr/bin/python2.7, Python 2.7.15+, python-minimal, 2.7.15-3
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu5
   apt  1.7.0
  SourcePackage: nvidia-graphics-drivers-390
  Title: package libnvidia-cfg1-390 (not installed) failed to install/upgrade: 
conflicting packages - not installing libnvidia-cfg1-390:amd64
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1804999] Re: package libnvidia-cfg1-390 (not installed) failed to install/upgrade: conflicting packages - not installing libnvidia-cfg1-390:amd64

[Apport retracing service]

** Tags removed: need-duplicate-check

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Title:
  package libnvidia-cfg1-390 (not installed) failed to install/upgrade:
  conflicting packages - not installing libnvidia-cfg1-390:amd64

Status in nvidia-graphics-drivers-390 package in Ubuntu:
  New

Bug description:
  package failed to install.

  ProblemType: Package
  DistroRelease: Ubuntu 18.10
  Package: libnvidia-cfg1-390 (not installed)
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Uname: Linux 4.18.0-11-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  Date: Sun Nov 25 16:44:08 2018
  ErrorMessage: conflicting packages - not installing libnvidia-cfg1-390:amd64
  InstallationDate: Installed on 2018-11-25 (0 days ago)
  InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 
(20181017.3)
  Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 
3.6.7-1~18.10
  PythonDetails: /usr/bin/python2.7, Python 2.7.15+, python-minimal, 2.7.15-3
  RelatedPackageVersions:
   dpkg 1.19.0.5ubuntu5
   apt  1.7.0
  SourcePackage: nvidia-graphics-drivers-390
  Title: package libnvidia-cfg1-390 (not installed) failed to install/upgrade: 
conflicting packages - not installing libnvidia-cfg1-390:amd64
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1804590] Re: kgd2kfd_probe failed DID 15dd is missing in supported_devices

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  kgd2kfd_probe failed DID 15dd is missing in supported_devices

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  dmesg

  [1.456816] Console: switching to colour dummy device 80x25
  [1.457058] [drm] initializing kernel modesetting (RAVEN 0x1002:0x15DD 
0x1462:0x7A39 0xC6).
  [1.457068] [drm] register mmio base: 0xFE40
  [1.457069] [drm] register mmio size: 524288
  [1.457084] [drm] probing gen 2 caps for device 1022:15db = 700d03/e
  [1.457086] [drm] probing mlw for device 1022:15db = 700d03
  [1.457088] [drm] add ip block number 0 
  [1.457089] [drm] add ip block number 1 
  [1.457090] [drm] add ip block number 2 
  [1.457090] [drm] add ip block number 3 
  [1.457091] [drm] add ip block number 4 
  [1.457091] [drm] add ip block number 5 
  [1.457092] [drm] add ip block number 6 
  [1.457093] [drm] add ip block number 7 
  [1.457093] [drm] add ip block number 8 
  [1.457110] kfd kfd: DID 15dd is missing in supported_devices
  [1.457111] kfd kfd: kgd2kfd_probe failed

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[Kernel-packages] [Bug 1804577] Re: ACPI BIOS Error (bug): Failure creating [\_SB.SMIC], AE_ALREADY_EXISTS

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

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Title:
  ACPI BIOS Error (bug): Failure creating [\_SB.SMIC], AE_ALREADY_EXISTS

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I`m using Ubuntu 18.10 on my B350M GAMING PRO motherboard and AMD 2400G CPU. 
See some error in dmesg. Hope a fix in the upcoming update.
  Linux version 4.18.0-10-generic
  [0.076193] ACPI: Added _OSI(Module Device)
  [0.076193] ACPI: Added _OSI(Processor Device)
  [0.076194] ACPI: Added _OSI(3.0 _SCP Extensions)
  [0.076194] ACPI: Added _OSI(Processor Aggregator Device)
  [0.076195] ACPI: Added _OSI(Linux-Dell-Video)
  [0.076196] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
  [0.086490] ACPI BIOS Error (bug): Failure creating [\_SB.SMIC], 
AE_ALREADY_EXISTS (20180531/dswload2-316)
  [0.086497] ACPI Error: AE_ALREADY_EXISTS, During name lookup/catalog 
(20180531/psobject-221)
  [0.086501] ACPI BIOS Error (bug): Failure creating [\_SB.SMIB], 
AE_ALREADY_EXISTS (20180531/dsfield-594)
  [0.086582] ACPI: 8 ACPI AML tables successfully acquired and loaded
  [0.088710] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
  [0.090528] ACPI: Interpreter enabled
  [0.090541] ACPI: (supports S0 S3 S4 S5)
  [0.090542] ACPI: Using IOAPIC for interrupt routing
  [0.090886] PCI: Using host bridge windows from ACPI; if necessary, use 
"pci=nocrs" and report a bug
  [0.091196] ACPI: Enabled 2 GPEs in block 00 to 1F
  [0.093761] ACPI: Power Resource [P0ST] (on)
  [0.093793] ACPI: Power Resource [P3ST] (on)
  [0.100120] ACPI: PCI Root Bridge [PCI0] (domain  [bus 00-ff])
  [0.100125] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM 
ClockPM Segments MSI]
  [0.100360] acpi PNP0A08:00: _OSC: platform does not support [SHPCHotplug 
LTR]
  [0.100583] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER 
PCIeCapability]
  [0.100596] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain  
[bus 00-3f] only partially covers this bridge

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[Kernel-packages] [Bug 1804589] Re: AMD-Vi write error

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  AMD-Vi write error

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  AMD-Vi write error.
  [0.777408] AMD-Vi: Unable to write to IOMMU perf counter.
  [0.777529] pci :00:00.2: can't derive routing for PCI INT A
  [0.777530] pci :00:00.2: PCI INT A: not connected
  [0.778000] iommu: Adding device :00:01.0 to group 0
  [0.778231] iommu: Adding device :00:01.2 to group 1
  [0.778463] iommu: Adding device :00:01.6 to group 2
  [0.778690] iommu: Adding device :00:08.0 to group 3
  [0.778914] iommu: Adding device :00:08.1 to group 4
  [0.778940] iommu: Adding device :00:08.2 to group 3
  [0.779154] iommu: Adding device :00:14.0 to group 5
  [0.779176] iommu: Adding device :00:14.3 to group 5
  [0.779444] iommu: Adding device :00:18.0 to group 6
  [0.779474] iommu: Adding device :00:18.1 to group 6
  [0.779495] iommu: Adding device :00:18.2 to group 6
  [0.779516] iommu: Adding device :00:18.3 to group 6
  [0.779544] iommu: Adding device :00:18.4 to group 6
  [0.779566] iommu: Adding device :00:18.5 to group 6
  [0.779586] iommu: Adding device :00:18.6 to group 6
  [0.779606] iommu: Adding device :00:18.7 to group 6
  [0.779835] iommu: Adding device :15:00.0 to group 7
  [0.779869] iommu: Adding device :15:00.1 to group 7
  [0.779903] iommu: Adding device :15:00.2 to group 7
  [0.779933] iommu: Adding device :16:04.0 to group 7
  [0.779956] iommu: Adding device :16:05.0 to group 7
  [0.779977] iommu: Adding device :16:06.0 to group 7
  [0.77] iommu: Adding device :16:07.0 to group 7
  [0.780031] iommu: Adding device :1b:00.0 to group 7
  [0.780058] iommu: Adding device :1c:00.0 to group 7
  [0.780296] iommu: Adding device :2e:00.0 to group 8
  [0.780592] iommu: Adding device :38:00.0 to group 9
  [0.780672] iommu: Using direct mapping for device :38:00.0
  [0.780767] iommu: Adding device :38:00.1 to group 10
  [0.780807] iommu: Adding device :38:00.2 to group 10
  [0.780847] iommu: Adding device :38:00.3 to group 10
  [0.780887] iommu: Adding device :38:00.4 to group 10
  [0.780934] iommu: Adding device :38:00.6 to group 10
  [0.780965] iommu: Adding device :39:00.0 to group 3
  [0.781307] AMD-Vi: Found IOMMU at :00:00.2 cap 0x40
  [0.781308] AMD-Vi: Extended features (0x4f77ef22294ada):
  [0.781308]  PPR NX GT IA GA PC GA_vAPIC
  [0.781311] AMD-Vi: Interrupt remapping enabled
  [0.781311] AMD-Vi: virtual APIC enabled
  [0.781534] AMD-Vi: Lazy IO/TLB flushing enabled

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[Kernel-packages] [Bug 1804591] Re: tsc: Fast TSC calibration failed

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1804591

Title:
  tsc: Fast TSC calibration failed

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [0.00] APIC: Switch to symmetric I/O mode setup
  [0.004000] Switched APIC routing to physical flat.
  [0.004000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
  [0.024000] tsc: Fast TSC calibration failed
  [0.032000] tsc: PIT calibration matches HPET. 1 loops
  [0.032000] tsc: Detected 3600.039 MHz processor
  [0.032000] clocksource: tsc-early: mask: 0x max_cycles: 
0x33e47874cac, max_idle_ns: 440795311274 ns
  [0.032000] Calibrating delay loop (skipped), value calculated using timer 
frequency.. 7200.07 BogoMIPS (lpj=14400156)
  [0.032000] pid_max: default: 32768 minimum: 301
  [0.032000] Security Framework initialized
  [0.032000] Yama: becoming mindful.
  [0.032000] AppArmor: AppArmor initialized
  ---
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1: 1438 F pulseaudio
   /dev/snd/controlC0: 1438 F pulseaudio
  CurrentDesktop: LXQt
  DistroRelease: Ubuntu 18.10
  InstallationDate: Installed on 2018-11-22 (2 days ago)
  InstallationMedia: Lubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 
(20181017.2)
  MachineType: Micro-Star International Co., Ltd. MS-7A39
  Package: linux (not installed)
  ProcFB: 0 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic root=UUID=x ro 
quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-11-generic N/A
   linux-backports-modules-4.18.0-11-generic  N/A
   linux-firmware 1.175.1
  Tags:  cosmic
  Uname: Linux 4.18.0-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sudo
  _MarkForUpload: True
  dmi.bios.date: 09/28/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2.I0
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: B350M GAMING PRO (MS-7A39)
  dmi.board.vendor: Micro-Star International Co., Ltd.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Micro-Star International Co., Ltd.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr2.I0:bd09/28/2018:svnMicro-StarInternationalCo.,Ltd.:pnMS-7A39:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnB350MGAMINGPRO(MS-7A39):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr1.0:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: MS-7A39
  dmi.product.sku: To be filled by O.E.M.
  dmi.product.version: 1.0
  dmi.sys.vendor: Micro-Star International Co., Ltd.

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[Kernel-packages] [Bug 1804592] Re: usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1804592

Title:
  usb usb2: We don't know the algorithms for LPM for this host,
  disabling LPM.

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [0.876087] usb usb2: We don't know the algorithms for LPM for this host, 
disabling LPM.
  [0.876099] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, 
bcdDevice= 4.18
  [0.876100] usb usb2: New USB device strings: Mfr=3, Product=2, 
SerialNumber=1
  [0.876101] usb usb2: Product: xHCI Host Controller
  [0.876102] usb usb2: Manufacturer: Linux 4.18.0-10-generic xhci-hcd
  [0.876103] usb usb2: SerialNumber: :15:00.0
  [0.876206] hub 2-0:1.0: USB hub found
  [0.876215] hub 2-0:1.0: 4 ports detected

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[Kernel-packages] [Bug 1804593] Re: thermal thermal_zone0: failed to read out thermal zone

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1804593

Title:
  thermal thermal_zone0: failed to read out thermal zone

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  thermal thermal_zone0: failed to read out thermal zone (-61)

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[Kernel-packages] [Bug 1804360] Re: Redpine: firmware assert upon assoc timeout

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Incomplete => Triaged

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Title:
   Redpine: firmware assert upon assoc   timeout

Status in linux package in Ubuntu:
  Triaged

Bug description:
  SRU Justification
  -

  Impact:
  ---
firmware assert upon assoc timeout

  Test Case:
  --
  1) Bring up the Redpine Module in Coex mode 13.
  2) Try to do roaming between two AP's.
  3) At some point, When Association timeout happens and station tries to scan 
and
 observed below firmware assert.
 wlan0: authenticate with ac:a3:1e:a1:1e:85
 wlan0: send auth to ac:a3:1e:a1:1e:85 (try 1/3)
 wlan0: authenticated
 wlan0: associate with ac:a3:1e:a1:1e:85 (try 1/3)
 wlan0: associate with ac:a3:1e:a1:1e:85 (try 2/3)
 wlan0: associate with ac:a3:1e:a1:1e:85 (try 3/3)
 wlan0: association with ac:a3:1e:a1:1e:85 timed out
 ven_rsi_91x: rsi_disable_ps: Cannot accept disable PS in PS_NONE state
 ven_rsi_91x: rsi_interrupt_handler: ==> FIRMWARE Assert <==
 ven_rsi_91x: rsi_interrupt_handler: Firmware Status is 0xa
 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready

  RCA:
  
 Root cause: When association starts, driver is sending station add peer
 notify to firmware but when Association timeout happens, driver is not
 sending station peer delete to Firmware. Hence, FW is going into DEEP SLEEP
 in associated state, which is incorrect.

  Fix:
  
 Sending station delete peer notify when assoc timeout happens.

  Regression potential:
  -
 Ran roaming between two AP's for 20 hours and didn't see the issue. 

 This bug is for tracking purposes only, please don't triage.

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[Kernel-packages] [Bug 1804874] Re: can't reconnect USB mouse/ USB mouse stops working after a while

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

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Title:
  can't reconnect USB mouse/ USB mouse stops working after a while

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  https://wiki.ubuntu.com/DebuggingMouseDetection#generalinfo - used
  this tutorial

  "entered following commands :

  LANG=C
  dmesg > ~/dmesg
  diff -ns ~/dmesg_boot ~/dmesg > ~/dmesg_diff
  cp /var/log/Xorg.0.log ~/Xorg.0.log_tmp
  diff -ns ~/Xorg.0.log ~/Xorg.0.log_tmp > ~/Xorg.0.log_diff "

  Output files are compressed and attached to this bug report.
  Ubuntu 18.04.1, gnome and kde installed.
  --- 
  ProblemType: Bug
  .tmp.unity_support_test.0:
   
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: i386
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: GNOME
  DistroCodename: bionic
  DistroRelease: Ubuntu 18.04
  DistroVariant: ubuntu
  DkmsStatus: i915-4.6.3-4.4.0, 1, 4.4.0-36-generic, i686: installed
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
 Subsystem: ASUSTeK Computer Inc. 2nd Generation Core Processor Family 
Integrated Graphics Controller [1043:1652]
  InstallationDate: Installed on 2014-08-26 (1550 days ago)
  InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386 
(20140204)
  MachineType: ASUSTeK Computer Inc. K53E
  Package: xorg 1:7.7+19ubuntu7.1
  PackageArchitecture: i386
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-39-generic 
root=UUID=5faedd29-769a-4472-935e-602675fb441d ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
  Tags: third-party-packages bionic ubuntu
  Uname: Linux 4.15.0-39-generic i686
  UpgradeStatus: Upgraded to bionic on 2018-11-22 (0 days ago)
  UserGroups: adm cdrom dip libvirt libvirtd lpadmin plugdev sambashare sudo 
www-data
  _MarkForUpload: True
  dmi.bios.date: 08/10/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: K53E.221
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: K53E
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrK53E.221:bd08/10/2012:svnASUSTeKComputerInc.:pnK53E:pvr1.0:rvnASUSTeKComputerInc.:rnK53E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.family: K
  dmi.product.name: K53E
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.
  version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
  version.libdrm2: libdrm2 2.4.91-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
  xserver.bootTime: Thu Oct 11 13:44:11 2018
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id 732 
   vendor LGD
  xserver.version: 2:1.18.4-0ubuntu0.7

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[Kernel-packages] [Bug 1804265] Re: Enable sound card power saving by default

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Also affects: linux (Ubuntu Disco)
   Importance: Medium
   Status: Confirmed

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Title:
  Enable sound card power saving by default

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Disco:
  Confirmed

Bug description:
  The option is enabled in Fedora and their feedback seems good so far,
  we would like to get that one enabled in Ubuntu as well

  CONFIG_SND_HDA_POWER_SAVE_DEFAULT=1

  (can be disabled at boot using snd_hda_intel.power_save=0 and there is
  a list of cards which don't work well and opt out on
  
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/pci/hda/hda_intel.c)

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[Kernel-packages] [Bug 1805018] Re: Need activate more hardening option

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  Need activate more hardening option

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  The current configuration of the linux kernel in Ubuntu is not secure enough.
  A simple test [1] of kernel in Ubuntu Disco clearly indicates 53 errors...

  Can we discuss possible options to activate by default?

  Enable the GCC_PLUGINS* would be for me the bare minimum.

  Thanks. Best regards,

  [1] https://github.com/a13xp0p0v/kconfig-hardened-check

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[Kernel-packages] [Bug 1805062] Re: FSCache kernel panic on presumed CIFS share disconnect

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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Title:
  FSCache kernel panic on presumed CIFS share disconnect

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  What Happened
  -

  I have a setup with my home NAS server mounted via CIFS to an Ubuntu
  18.04 VPS over OpenVPN. The CIFS share is served by Nginx as an open
  file directory, with fscache/cachefilesd being used to cache the files
  locally, to reduce the load on my home connection.

  I was using this setup for web development by editing files directly
  on the CIFS share from another machine (mounted via LAN, independently
  of the OpenVPN server). After making changes to an HTML file, I
  noticed that the Nginx server was no longer responding.

  I connected to the server via SSH to diagnose the issue and found that
  trying to perform a file listing (using ls) on the fileshare mount
  froze my shell, so I opened another SSH connection. I ran dmesg,
  expecting to find a CIFS timeout error, but instead there was an
  fscache error trace. Thinking it would help resolve the issue, I ran
  `systemd restart cachefilesd` to restart cachefilesd. My SSH
  connection froze again, but this time the server was no longer
  responding to SSH connections and pings. I was forced to perform a
  hard reset to restore operation.

  Upon further inspection of the logs, I noticed that the NAS
  reconnected to the OpenVPN server between my first and second SSH
  connection, so it's possible that a network issue caused the initial
  fscache error. I have no way of confirming this, that's why I put
  "presumed" in the title.

  I suspect the issue here might be a race condition when invalidating a
  cache object (the updated HTML file) during a network issue.

  What I expected to happen
  -

  Accessing an updated file shouldn't cause an fscache error, even when
  a network error occurs.

  Restarting cachefilesd shouldn't cause a fatal panic, even when a
  network error occurs.

  Machine information
  ---

  /proc/version_signature: Ubuntu 4.15.0-20.21-generic 4.15.17

  lsb_release: 
  Description: Ubuntu 18.04.1 LTS 
  Release:18.04

  apt-cache policy linux-image-4.15.0-20-generic:
  linux-image-4.15.0-20-generic:
Installed: 4.15.0-20.21
Candidate: 4.15.0-20.21
Version table:
   *** 4.15.0-20.21 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status

  apt-cache policy cachefilesd cachefilesd: 



  cachefilesd:
Installed: 0.10.10-0.1
Candidate: 0.10.10-0.1
Version table:
   *** 0.10.10-0.1 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
  100 /var/lib/dpkg/status

  apt-cache policy libsmbclient:
  libsmbclient:
Installed: (none)
Candidate: 2:4.7.6+dfsg~ubuntu-0ubuntu2.4
Version table:
   2:4.7.6+dfsg~ubuntu-0ubuntu2.4 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 
Packages
   2:4.7.6+dfsg~ubuntu-0ubuntu2.2 500
  500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 
Packages
   2:4.7.6+dfsg~ubuntu-0ubuntu2 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages

  apt-cache policy cifs-utils:
  cifs-utils:
Installed: 2:6.8-1
Candidate: 2:6.8-1
Version table:
   *** 2:6.8-1 500
  500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status

  
  The VPS provider is UK2, I believe they use KVM.

  journalctl output
  -

  Private and irrelevant information removed.

  Nov 26 00:30:31 hostname kernel: [kworke] preemptive burial: OBJ66
  [DROP_OBJECT] 4b2987a1

  --- [snip] (CacheFiles error + kernel trace) ---

  Nov 26 00:34:01 hostname kernel: CacheFiles: Error: Object already 

[Kernel-packages] [Bug 1805097] Re: A bunch of ACPI Errors

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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Title:
  A bunch of ACPI Errors

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [   12.867697] ACPI Error: No handler for Region [ECRM] (5c67776a) 
[EmbeddedControl] (20180531/evregion-132)
  [   12.867709] ACPI Error: Region EmbeddedControl (ID=3) has no handler 
(20180531/exfldio-265)
  [   12.867724] No Local Variables are initialized for Method [OBTS]
  [   12.867727] Initialized Arguments for Method [OBTS]:  (1 arguments defined 
for method invocation)
  [   12.867728]   Arg0:   fa7e36ecInteger 

  [   12.867739] ACPI Error: Method parse/execution failed \OBTS, AE_NOT_EXIST 
(20180531/psparse-516)
  [   12.867752] ACPI Error: Method parse/execution failed \AMW0.DEVS, 
AE_NOT_EXIST (20180531/psparse-516)
  [   12.867767] ACPI Error: Method parse/execution failed \AMW0.WMBC, 
AE_NOT_EXIST (20180531/psparse-516)
  [   12.920848] ACPI Error: No handler for Region [ECRM] (5c67776a) 
[EmbeddedControl] (20180531/evregion-132)
  [   12.920861] ACPI Error: Region EmbeddedControl (ID=3) has no handler 
(20180531/exfldio-265)
  [   12.920875] No Local Variables are initialized for Method [OBTS]
  [   12.920878] Initialized Arguments for Method [OBTS]:  (1 arguments defined 
for method invocation)
  [   12.920879]   Arg0:   ae4b9fc7Integer 

  [   12.920890] ACPI Error: Method parse/execution failed \OBTS, AE_NOT_EXIST 
(20180531/psparse-516)
  [   12.920903] ACPI Error: Method parse/execution failed \AMW0.DEVS, 
AE_NOT_EXIST (20180531/psparse-516)
  [   12.920918] ACPI Error: Method parse/execution failed \AMW0.WMBC, 
AE_NOT_EXIST (20180531/psparse-516)
  [   12.960632] rtl8192cu 1-2.4:1.0 wlx0013ef75041d: renamed from wlan0

  cpuinfo
  processor   : 0
  vendor_id   : GenuineIntel
  cpu family  : 6
  model   : 55
  model name  : Intel(R) Pentium(R) CPU  J2900  @ 2.41GHz
  stepping: 8
  microcode   : 0x837
  cpu MHz : 1332.996
  cache size  : 1024 KB
  physical id : 0
  siblings: 4
  core id : 0
  cpu cores   : 4
  apicid  : 0
  initial apicid  : 0
  fpu : yes
  fpu_exception   : yes
  cpuid level : 11
  wp  : yes
  flags   : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx 
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology 
tsc_reliable nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt 
tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb pti ibrs ibpb stibp 
tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat
  bugs: cpu_meltdown spectre_v1 spectre_v2
  bogomips: 4831.40
  clflush size: 64
  cache_alignment : 64
  address sizes   : 36 bits physical, 48 bits virtual
  power management:

  processor   : 1
  vendor_id   : GenuineIntel
  cpu family  : 6
  model   : 55
  model name  : Intel(R) Pentium(R) CPU  J2900  @ 2.41GHz
  stepping: 8
  microcode   : 0x837
  cpu MHz : 1332.896
  cache size  : 1024 KB
  physical id : 0
  siblings: 4
  core id : 1
  cpu cores   : 4
  apicid  : 2
  initial apicid  : 2
  fpu : yes
  fpu_exception   : yes
  cpuid level : 11
  wp  : yes
  flags   : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx 
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology 
tsc_reliable nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt 
tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb pti ibrs ibpb stibp 
tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat
  bugs: cpu_meltdown spectre_v1 spectre_v2
  bogomips: 4831.40
  

[Kernel-packages] [Bug 1805098] Re: failed to assign [mem size 0x00200000 64bit pref]

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1805098

Title:
  failed to assign [mem size 0x0020 64bit pref]

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [0.270574] pci :00:1c.0: BAR 15: no space for [mem size 0x0020 
64bit pref]
  [0.270577] pci :00:1c.0: BAR 15: failed to assign [mem size 
0x0020 64bit pref]
  [0.270584] pci :00:1c.2: BAR 15: no space for [mem size 0x0020 
64bit pref]
  [0.270587] pci :00:1c.2: BAR 15: failed to assign [mem size 
0x0020 64bit pref]
  [0.270591] pci :00:1c.3: BAR 14: no space for [mem size 0x0020]
  [0.270594] pci :00:1c.3: BAR 14: failed to assign [mem size 
0x0020]
  [0.270600] pci :00:1c.3: BAR 15: no space for [mem size 0x0020 
64bit pref]
  [0.270603] pci :00:1c.3: BAR 15: failed to assign [mem size 
0x0020 64bit pref]
  [0.270608] pci :00:1c.3: BAR 13: assigned [io  0x1000-0x1fff]
  [0.270614] pci :00:1c.3: BAR 14: no space for [mem size 0x0020]
  [0.270617] pci :00:1c.3: BAR 14: failed to assign [mem size 
0x0020]
  [0.270623] pci :00:1c.3: BAR 15: no space for [mem size 0x0020 
64bit pref]
  [0.270626] pci :00:1c.3: BAR 15: failed to assign [mem size 
0x0020 64bit pref]
  [0.270633] pci :00:1c.2: BAR 15: no space for [mem size 0x0020 
64bit pref]
  [0.270635] pci :00:1c.2: BAR 15: failed to assign [mem size 
0x0020 64bit pref]
  [0.270642] pci :00:1c.0: BAR 15: no space for [mem size 0x0020 
64bit pref]
  [0.270644] pci :00:1c.0: BAR 15: failed to assign [mem size 
0x0020 64bit pref]
  [0.270648] pci :00:1c.0: PCI bridge to [bus 01]
  [0.270652] pci :00:1c.0:   bridge window [io  0xe000-0xefff]
  [0.270657] pci :00:1c.0:   bridge window [mem 0xa000-0xab0f]
  [0.270664] pci :00:1c.2: PCI bridge to [bus 02]
  [0.270666] pci :00:1c.2:   bridge window [io  0xd000-0xdfff]
  [0.270671] pci :00:1c.2:   bridge window [mem 0xab30-0xab3f]
  [0.270677] pci :00:1c.3: PCI bridge to [bus 03]

  cpuinfo
  processor   : 0
  vendor_id   : GenuineIntel
  cpu family  : 6
  model   : 55
  model name  : Intel(R) Pentium(R) CPU  J2900  @ 2.41GHz
  stepping: 8
  microcode   : 0x837
  cpu MHz : 1332.996
  cache size  : 1024 KB
  physical id : 0
  siblings: 4
  core id : 0
  cpu cores   : 4
  apicid  : 0
  initial apicid  : 0
  fpu : yes
  fpu_exception   : yes
  cpuid level : 11
  wp  : yes
  flags   : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx 
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology 
tsc_reliable nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt 
tsc_deadline_timer rdrand lahf_lm 3dnowprefetch epb pti ibrs ibpb stibp 
tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm ida arat
  bugs: cpu_meltdown spectre_v1 spectre_v2
  bogomips: 4831.40
  clflush size: 64
  cache_alignment : 64
  address sizes   : 36 bits physical, 48 bits virtual
  power management:

  processor   : 1
  vendor_id   : GenuineIntel
  cpu family  : 6
  model   : 55
  model name  : Intel(R) Pentium(R) CPU  J2900  @ 2.41GHz
  stepping: 8
  microcode   : 0x837
  cpu MHz : 1332.896
  cache size  : 1024 KB
  physical id : 0
  siblings: 4
  core id : 1
  cpu cores   : 4
  apicid  : 2
  initial apicid  : 2
  fpu : yes
  fpu_exception   : yes
  cpuid level : 11
  wp  : yes
  flags   : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx 
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology 
tsc_reliable nonstop_tsc cpuid aperfmperf 

[Kernel-packages] [Bug 1804998] Re: Kernel bug after re-plugging Hauppauge WinTV-dualHD (em28xx/si2157)

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1804998

Title:
  Kernel bug after  re-plugging Hauppauge WinTV-dualHD (em28xx/si2157)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  This happend after removing and re-plugging the Hauppauge WinTV-
  dualHD-Stick. Might be related to #1795509, but has different
  signature (at least to my untrained eye).

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: linux-image-4.18.0-11-generic 4.18.0-11.12
  ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
  Uname: Linux 4.18.0-11-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k4.18.0-11-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 
'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', 
'/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', 
'/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', 
'/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer': 
'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer': 
'amixer'
  Date: Sun Nov 25 12:06:02 2018
  HibernationDevice: RESUME=UUID=7185b930-4c2c-4378-ad3c-78672310683f
  IwConfig:
   lono wireless extensions.
   
   eth0  no wireless extensions.
   
   tun0  no wireless extensions.
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-11-generic 
root=/dev/mapper/hostname-root ro consoleblank=0 quiet noresume
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.18.0-11-generic N/A
   linux-backports-modules-4.18.0-11-generic  N/A
   linux-firmware 1.175.1
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: Upgraded to cosmic on 2018-10-01 (54 days ago)
  dmi.bios.date: 03/31/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.30
  dmi.board.name: J3160DC-ITX
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd03/31/2016:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnJ3160DC-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.sku: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1804998/+subscriptions

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More help   : https://help.launchpad.net/ListHelp

[Kernel-packages] [Bug 1805011] Re: USB E-MU 0202/0404 reset and disconnect

[Joseph Salisbury]

Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.20 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.20-rc4


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1805011

Title:
  USB E-MU 0202/0404 reset and disconnect

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Used ubuntu 18.04. Sound card permanently disabled and freezes. Different 
laptops were used, the problem has not changed. Used different cable.
  [   23.456082] usb 4-1: new full-speed USB device number 2 using uhci_hcd
  [   23.620103] usb 4-1: not running at top speed; connect to a high speed hub
  [   23.655112] usb 4-1: New USB device found, idVendor=041e, idProduct=3f02
  [   23.655117] usb 4-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [   23.655122] usb 4-1: Product: E-MU 0202 | USB
  [   23.655126] usb 4-1: Manufacturer: E-MU Systems, Inc.
  [   23.655130] usb 4-1: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [   24.029429] usb 1-3: USB disconnect, device number 4
  [   62.156059] usb 1-3: new high-speed USB device number 5 using ehci-pci
  [   62.314540] usb 1-3: New USB device found, idVendor=041e, idProduct=3f02
  [   62.314544] usb 1-3: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [   62.314547] usb 1-3: Product: E-MU 0202 | USB
  [   62.314550] usb 1-3: Manufacturer: E-MU Systems, Inc.
  [   62.314552] usb 1-3: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [   62.516964] usb 4-1: USB disconnect, device number 2
  [  147.904012] ehci-pci :00:1a.7: port 3 reset error -110
  [  149.068094] usb 4-1: new full-speed USB device number 3 using uhci_hcd
  [  149.226189] usb 4-1: not running at top speed; connect to a high speed hub
  [  149.260214] usb 4-1: New USB device found, idVendor=041e, idProduct=3f02
  [  149.260219] usb 4-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [  149.260224] usb 4-1: Product: E-MU 0202 | USB
  [  149.260228] usb 4-1: Manufacturer: E-MU Systems, Inc.
  [  149.260232] usb 4-1: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [  149.636378] usb 1-3: USB disconnect, device number 5
  [  314.216062] usb 1-3: new high-speed USB device number 6 using ehci-pci
  [  314.374729] usb 1-3: New USB device found, idVendor=041e, idProduct=3f02
  [  314.374735] usb 1-3: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
  [  314.374739] usb 1-3: Product: E-MU 0202 | USB
  [  314.374743] usb 1-3: Manufacturer: E-MU Systems, Inc.
  [  314.374747] usb 1-3: SerialNumber: E-MU-03-3F02-07DA0C14-0E730-8740T2A
  [  314.576366] usb 4-1: USB disconnect, device number 3
  [  314.580951] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581159] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581362] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.581839] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.582271] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584189] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584439] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.584626] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.585109] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.585880] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598231] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598331] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598422] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598731] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.598970] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.599867] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.599960] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600112] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600322] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.600540] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601171] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601261] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601353] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601545] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.601756] usb 4-1: 1:1: usb_set_interface failed (-19)
  [  314.602345] usb 4-1: 1:1: usb_set_interface failed (-19)