[Kernel-packages] [Bug 1429756] Re: FTBFS: upstart test_job_process fails in majority of cases / Kernel returning unexpected EIO at end of file

[James Hunt]

Hi Andy - any progress on this? Although the buildd's are running older
kernels, it seems that the DEP-8 Jenkins environment is running 3.19 and
is thus causing upstart tests to fail. For example:

https://jenkins.qa.ubuntu.com/view/Wily/view/AutoPkgTest/job/wily-adt-
upstart/ARCH=amd64,label=adt/lastBuild/

If it will take a while to resolve this, I guess we'll have to consider
disabling the test for now. However, doing so is going to change the
behaviour of the upstart logger.

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Title:
  FTBFS: upstart test_job_process fails in majority of cases / Kernel
  returning unexpected EIO at end of file

Status in linux package in Ubuntu:
  In Progress
Status in upstart package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  In Progress
Status in upstart source package in Vivid:
  Invalid

Bug description:
  As you see in the history in https://jenkins.qa.ubuntu.com/job/vivid-
  adt-upstart/?, upstart's test fail almost all the time, on

  ok 53 - with single line command writing fast and exiting
  not ok 54 - with single line command writing lots of data fast and exiting
   wrong value for bytes, expected 3145728 got 3018027
   at tests/test_job_process.c:3886 (test_start).
  1..153
  FAIL: test_job_process

  Sometimes they succeed on one architecture, and with lots of luck on
  both, but this is way too flaky to be an useful test. This keeps
  blocking the propagation of other packages from -proposed.

  This was most likely triggered by the kernel update from 3.18 to 3.19.

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[Kernel-packages] [Bug 1429756] Re: FTBFS: upstart test_job_process fails in majority of cases / Kernel returning unexpected EIO at near of file

[James Hunt]

Running with a 3.19.0-8-generic kernel I see:

- The Upstart test_job_process test fail within a few seconds when run in a 
loop looking for the errror.
- My test program in #13 also finds the bug within ~30 seconds on my test 
system.

Using the kernel in #11, I have run both tests simultaneously for ~1
hour with no errors observed.

** Changed in: upstart (Ubuntu Vivid)
   Status: New = Invalid

** Summary changed:

- FTBFS: upstart test_job_process fails in majority of cases / Kernel returning 
unexpected EIO at near of file
+ FTBFS: upstart test_job_process fails in majority of cases / Kernel returning 
unexpected EIO at end of file

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Title:
  FTBFS: upstart test_job_process fails in majority of cases / Kernel
  returning unexpected EIO at end of file

Status in linux package in Ubuntu:
  In Progress
Status in upstart package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  In Progress
Status in upstart source package in Vivid:
  Invalid

Bug description:
  As you see in the history in https://jenkins.qa.ubuntu.com/job/vivid-
  adt-upstart/?, upstart's test fail almost all the time, on

  ok 53 - with single line command writing fast and exiting
  not ok 54 - with single line command writing lots of data fast and exiting
   wrong value for bytes, expected 3145728 got 3018027
   at tests/test_job_process.c:3886 (test_start).
  1..153
  FAIL: test_job_process

  Sometimes they succeed on one architecture, and with lots of luck on
  both, but this is way too flaky to be an useful test. This keeps
  blocking the propagation of other packages from -proposed.

  This was most likely triggered by the kernel update from 3.18 to 3.19.

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[Kernel-packages] [Bug 1429756] Re: FTBFS: upstart test_job_process fails in majority of cases / Kernel returning unexpected EIO at near of file

[James Hunt]

I've written a basic program that surfaces this bug. To recreate:

$ cd /tmp
$ tar xvf bug-1429756.tgz
$ cd bug-1429756
$ make
$ ./bug-1429756.sh
loop 1
loop 2
ERROR: got failure scenario after 2 loops (got=16, count=17, 
log=/tmp/tmp.uwZHkHh0mc)
$ 

** Attachment added: bug-1429756.tgz
   
https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1429756/+attachment/4343995/+files/bug-1429756.tgz

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Title:
  FTBFS: upstart test_job_process fails in majority of cases / Kernel
  returning unexpected EIO at near of file

Status in linux package in Ubuntu:
  In Progress
Status in upstart package in Ubuntu:
  New
Status in linux source package in Vivid:
  In Progress
Status in upstart source package in Vivid:
  New

Bug description:
  As you see in the history in https://jenkins.qa.ubuntu.com/job/vivid-
  adt-upstart/?, upstart's test fail almost all the time, on

  ok 53 - with single line command writing fast and exiting
  not ok 54 - with single line command writing lots of data fast and exiting
   wrong value for bytes, expected 3145728 got 3018027
   at tests/test_job_process.c:3886 (test_start).
  1..153
  FAIL: test_job_process

  Sometimes they succeed on one architecture, and with lots of luck on
  both, but this is way too flaky to be an useful test. This keeps
  blocking the propagation of other packages from -proposed.

  This was most likely triggered by the kernel update from 3.18 to 3.19.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

@elfy - is plymouth is still crashing for you?

$ sudo grep SEGV /var/log/syslog

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Invalid
Status in “lightdm” package in Ubuntu:
  Invalid
Status in “linux” package in Ubuntu:
  Invalid
Status in “plymouth” package in Ubuntu:
  Fix Released

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

As discussed on irc, the problem seemed to be that the plymouth-ready
event was not being emitted since udev was not tagging a graphics device
with PRIMARY_DEVICE_FOR_DISPLAY, so it looked like the problem was
udev/kernel related.

According to jibel, if he enters the grub boot menu lightdm will
reliably start suggesting that grub is possibly setting up the
framebuffer which for some reason is not happening normally.

Looking at the log in #22, we can also see that plymouth itself is
crashing (SEGV). This may also suggest a problem with the graphics
setup.

I've just tried utopic-desktop-amd64.iso (20140923) under kvm and do not
see the issue reported.


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

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Confirmed
Status in “lightdm” package in Ubuntu:
  Triaged
Status in “linux” package in Ubuntu:
  New

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

Note also that I do have PRIMARY_DEVICE_FOR_DISPLAY=1 in /var/log/udev.

Recreation is under kvm.

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Confirmed
Status in “lightdm” package in Ubuntu:
  Triaged
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

I have now recreated using utopic-desktop-amd64.iso (20140923) and
http://people.canonical.com/~jhunt/upstart/conf/rebooter.conf to force
continuous reboots.

It appears that the problem only occurs if quiet splash is specified
since I ran 25 boots without those options and was unable to recreate
the issue.



[1] - http://people.canonical.com/~jhunt/upstart/conf/rebooter.conf

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Confirmed
Status in “lightdm” package in Ubuntu:
  Triaged
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

It's looking like either quiet or more likely splash is the
triggering factor here.

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Confirmed
Status in “lightdm” package in Ubuntu:
  Triaged
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

After removing both 'quiet' and 'splash' options from
GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub, and running 'sudo
update-grub', I am no longer able to recreate the bug (over 100 boots on
a 64-bit kvm instance using utopic-desktop-amd64.iso (20140923)).

@elfy: can you provide details on how reliable this failure is for you?
Do you see it on every boot?

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Invalid
Status in “lightdm” package in Ubuntu:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

205 boots and no problem with the 2 options removed.

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Invalid
Status in “lightdm” package in Ubuntu:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1371651] Re: Daily does not boot into graphical interface after installation

[James Hunt]

@arges: can you try reproducing without quiet splash as that seems to
be the best lead we have so far.

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Title:
  Daily does not boot into graphical interface after installation

Status in Light Display Manager:
  Invalid
Status in “lightdm” package in Ubuntu:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  used the daily iso 2015-09-19 i386
  ran installation on virtualbox 4.3.16

  after installation, the system won't boot into the graphical
  interface. instead, switching to vt1 and back to vt7 reveals the
  attached errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic i686
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: i386
  Date: Fri Sep 19 17:09:17 2014
  InstallCmdLine: file=/cdrom/preseed/xubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- debian-installer/language=de 
keyboard-configuration/layoutcode?=de
  InstallationDate: Installed on 2014-09-19 (0 days ago)
  InstallationMedia: Xubuntu 14.10 Utopic Unicorn - Alpha i386 (20140919)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=set
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1362742] [NEW] kernel panic attempting to unmount device with errors

[James Hunt]

Public bug reported:

/var/log/kern.log shows:


Aug 28 17:32:20 faire kernel: [37077.847109] EXT4-fs (sde1): warning: maximal 
mount count reached, running e2fsck is recommended
Aug 28 17:32:20 faire kernel: [37077.848127] EXT4-fs (sde1): recovery complete
Aug 28 17:32:20 faire kernel: [37077.848915] EXT4-fs (sde1): mounted filesystem 
with ordered data mode. Opts: (null)
Aug 28 17:37:17 faire kernel: [37374.626258] EXT4-fs (sdd1): error count since 
last fsck: 8
Aug 28 17:37:17 faire kernel: [37374.626262] EXT4-fs (sdd1): initial error at 
time 1389635241: ext4_mb_generate_buddy:756
Aug 28 17:37:17 faire kernel: [37374.626264] EXT4-fs (sdd1): last error at time 
1391881607: ext4_mb_generate_buddy:756
Aug 28 19:03:10 faire kernel: [0.00] Initializing cgroup subsys cpuset
Aug 28 19:03:10 faire kernel: [0.00] Initializing cgroup subsys cpu
Aug 28 19:03:10 faire kernel: [0.00] Initializing cgroup subsys cpuacct
Aug 28 19:03:10 faire kernel: [0.00] Linux version 3.16.0-10-generic 
(buildd@aatxe) (gcc version 4.9.1 (Ubuntu/Linaro 4.9.1-8ubuntu1) ) #15-Ubuntu 
SMP Thu Aug 21 16:26:44 UTC 2014 (Ubuntu 3.16.0-10.15-generic 3.16.1)
Aug 28 19:03:10 faire kernel: [0.00] Command line: 
BOOT_IMAGE=/vmlinuz-3.16.0-10-generic root=/dev/mapper/ubuntu--vg-root ro quiet 
splash vt.handoff=7
Aug 28 19:03:10 faire kernel: [0.00] KERNEL supported cpus:

It seems that I have a USB stick which has errors. When I attempted to
unmount it, my system froze and had to be alt-sysreq s-u-b'd.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-generic 3.16.0.10.11
ProcVersionSignature: Ubuntu 3.16.0-10.15-generic 3.16.1
Uname: Linux 3.16.0-10-generic x86_64
ApportVersion: 2.14.6-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  james  3770 F pulseaudio
 /dev/snd/controlC0:  james  3770 F pulseaudio
CurrentDesktop: Unity
Date: Thu Aug 28 19:07:46 2014
HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
InstallationDate: Installed on 2014-04-11 (138 days ago)
InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
MachineType: LENOVO 20AQCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-10-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.16.0-10-generic N/A
 linux-backports-modules-3.16.0-10-generic  N/A
 linux-firmware 1.132
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-05-08 (112 days ago)
dmi.bios.date: 02/10/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET71WW (2.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug utopic

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https://bugs.launchpad.net/bugs/1362742

Title:
  kernel panic attempting to unmount device with errors

Status in “linux” package in Ubuntu:
  New

Bug description:
  /var/log/kern.log shows:

  
  Aug 28 17:32:20 faire kernel: [37077.847109] EXT4-fs (sde1): warning: maximal 
mount count reached, running e2fsck is recommended
  Aug 28 17:32:20 faire kernel: [37077.848127] EXT4-fs (sde1): recovery complete
  Aug 28 17:32:20 faire kernel: [37077.848915] EXT4-fs (sde1): mounted 
filesystem with ordered data mode. Opts: (null)
  Aug 28 17:37:17 faire kernel: [37374.626258] EXT4-fs (sdd1): error count 
since last fsck: 8
  Aug 28 17:37:17 faire kernel: [37374.626262] EXT4-fs (sdd1): initial error at 
time 1389635241: ext4_mb_generate_buddy:756
  Aug 28 17:37:17 faire kernel: [37374.626264] EXT4-fs (sdd1): last error at 
time 1391881607: ext4_mb_generate_buddy:756
  Aug 28 19:03:10 faire kernel: [0.00] Initializing cgroup subsys cpuset
  Aug 28 19:03:10 faire kernel: [0.00] Initializing cgroup subsys cpu
  Aug 28 19:03:10 faire kernel: [0.00] Initializing cgroup subsys 
cpuacct
  Aug 28 19:03:10 faire kernel: [0.00] Linux version 3.16.0-10-generic 
(buildd@aatxe) (gcc version 4.9.1 (Ubuntu/Linaro 4.9.1-8ubuntu1) ) #15-Ubuntu 
SMP Thu Aug 21 16:26:44 UTC 2014 (Ubuntu 3.16.0-10.15-generic 3.16.1)
  Aug 28 19:03:10 faire kernel: [0.00] Command line: 
BOOT_IMAGE=/vmlinuz-3.16.0-10-generic root=/dev/mapper/ubuntu--vg-root ro quiet 
splash vt.handoff=7
  Aug 28 19:03:10 faire kernel: [0.00] KERNEL 

[Kernel-packages] [Bug 1357252] Re: Upstart jobs specifying cgroup fail to start occasionally

[James Hunt]

** Changed in: upstart
   Status: New = In Progress

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

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https://bugs.launchpad.net/bugs/1357252

Title:
  Upstart jobs specifying cgroup fail to start occasionally

Status in Ubuntu Application Launcher:
  Incomplete
Status in Upstart:
  In Progress
Status in “cgmanager” package in Ubuntu:
  Confirmed
Status in “linux” package in Ubuntu:
  New

Bug description:
  After the ubuntu-app-launch landing in #188
  (http://people.canonical.com/~ogra/touch-image-stats/188.changes), UI
  Toolkit autopilot tests have started failing, see
  
http://ci.ubuntu.com/smokeng/utopic/touch/mako/190:20140815:20140811.1/9676/ubuntuuitoolkit/
  and the #188 results too. It's different tests each time, but a bit
  above 10 of them tend to fail on each full run.

  Reproducable locally, where I got 11 such failures.

  To reproduce:
  [terminal 1]
  1. flash/update device if needed
  2. adb shell
  3. apt install ubuntu-ui-toolkit-autopilot
  4. powerd-cli display on bright # leave running, also unlock the screen so 
that lenses are shown
  [terminal 2]
  5. phablet-config autopilot --dbus-probe enable # wait until finishes
  6. phablet-test-run ubuntuuitoolkit

  A full test suite run will take around 0.5h and should produce a bunch
  of 'Application failed to start.':s.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1357252] Re: Upstart jobs specifying cgroup fail to start occasionally

[James Hunt]

** No longer affects: linux (Ubuntu)

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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/1357252

Title:
  Upstart jobs specifying cgroup fail to start occasionally

Status in Ubuntu Application Launcher:
  Incomplete
Status in Upstart:
  In Progress
Status in “cgmanager” package in Ubuntu:
  Confirmed

Bug description:
  After the ubuntu-app-launch landing in #188
  (http://people.canonical.com/~ogra/touch-image-stats/188.changes), UI
  Toolkit autopilot tests have started failing, see
  
http://ci.ubuntu.com/smokeng/utopic/touch/mako/190:20140815:20140811.1/9676/ubuntuuitoolkit/
  and the #188 results too. It's different tests each time, but a bit
  above 10 of them tend to fail on each full run.

  Reproducable locally, where I got 11 such failures.

  To reproduce:
  [terminal 1]
  1. flash/update device if needed
  2. adb shell
  3. apt install ubuntu-ui-toolkit-autopilot
  4. powerd-cli display on bright # leave running, also unlock the screen so 
that lenses are shown
  [terminal 2]
  5. phablet-config autopilot --dbus-probe enable # wait until finishes
  6. phablet-test-run ubuntuuitoolkit

  A full test suite run will take around 0.5h and should produce a bunch
  of 'Application failed to start.':s.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-app-launch/+bug/1357252/+subscriptions

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[Kernel-packages] [Bug 1351353] Re: Kernel oops

[James Hunt]

@Chris - I'm not an expert at reading kernel stack traces, but I don't
think the oops stacktrace looks related to kvm. I just mentioned that I
was using kvm when the oops occurred (*). I've edited the title
accordingly.

(*) - I know this since I have a script which warns me as soon as an
oops is generated.

** Summary changed:

- Kernel oops related to running kvm (?)
+ Kernel oops

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https://bugs.launchpad.net/bugs/1351353

Title:
  Kernel oops

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  My system suddently became unresponsive so I tried to SysRq s/u/b and
  I think that's what caused another problem.

  Either way, my system hard-locked.


  Aug  1 16:15:59 faire kernel: [31778.831601] [ cut here 
]
  Aug  1 16:15:59 faire kernel: [31778.831644] WARNING: CPU: 2 PID: 1834 at 
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3313 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]()
  Aug  1 16:15:59 faire kernel: [31778.831646] Modules linked in: cdc_acm 
ums_cypress btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs 
libcrc32c veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE 
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate ctr 
twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 intel_rapl x86_pkg_temp_thermal 
intel_powerclamp coretemp kvm_intel kvm microcode snd_hda_codec_realtek 
snd_hda_codec_generic snd_hda_codec_hdmi joydev binfmt_misc serio_raw iwlmvm 
mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep lpc_ich 
rtsx_pci_ms iwlwifi memstick snd_pcm cfg80211 uvcvideo videobuf2_vmalloc 
videobuf2_memops shpchp videobuf2_core v4l2_common mei_me videodev mei media 
thinkpad_acpi nvram btusb snd_seq_midi snd_seq_midi_event bluetooth snd_rawmidi 
6lowpan_iphc snd_seq snd_seq_device snd_timer snd intel_smartconnect soundcore 
cuse parport_pc mac_hid ppdev lp parport nls_iso8859_1 uas usb_storage 
hid_generic usbhid hid dm_crypt mmc_block rtsx_pci_sdmmc crct10dif_pclmul 
crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul 
glue_helper ablk_helper cryptd psmouse i915 ahci e1000e libahci rtsx_pci ptp 
pps_core i2c_algo_bit drm_kms_helper wmi drm video
  Aug  1 16:15:59 faire kernel: [31778.831718] CPU: 2 PID: 1834 Comm: Xorg Not 
tainted 3.16.0-6-generic #11-Ubuntu
  Aug  1 16:15:59 faire kernel: [31778.831720] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
  Aug  1 16:15:59 faire kernel: [31778.831721]  0009 
8800d6233c10 82755538 
  Aug  1 16:15:59 faire kernel: [31778.831724]  8800d6233c48 
8206bb0d  880308eed000
  Aug  1 16:15:59 faire kernel: [31778.831726]  880304108240 
8800da1e1000 8800da1e1000 8800d6233c58
  Aug  1 16:15:59 faire kernel: [31778.831729] Call Trace:
  Aug  1 16:15:59 faire kernel: [31778.831735]  [82755538] 
dump_stack+0x45/0x56
  Aug  1 16:15:59 faire kernel: [31778.831739]  [8206bb0d] 
warn_slowpath_common+0x7d/0xa0
  Aug  1 16:15:59 faire kernel: [31778.831742]  [8206bbea] 
warn_slowpath_null+0x1a/0x20
  Aug  1 16:15:59 faire kernel: [31778.831765]  [c04c6951] 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831769]  [820b2960] ? 
prepare_to_wait_event+0x100/0x100
  Aug  1 16:15:59 faire kernel: [31778.831787]  [c04c9403] 
intel_crtc_disable_planes+0x33/0x1c0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831790]  [8275bb2b] ? 
__ww_mutex_lock+0x1b/0x97
  Aug  1 16:15:59 faire kernel: [31778.831807]  [c04ca305] 
haswell_crtc_disable+0x55/0x2f0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831809]  [8275c062] ? 
mutex_lock+0x12/0x2f
  Aug  1 16:15:59 faire kernel: [31778.831823]  [c04cad27] 
intel_crtc_update_dpms+0x67/0xa0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831835]  [c04cf1e9] 
intel_connector_dpms+0x59/0x70 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831848]  [c039ea1f] 
drm_mode_obj_set_property_ioctl+0x39f/0x3b0 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831858]  [c039ea60] 
drm_mode_connector_property_set_ioctl+0x30/0x40 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831860]  [c0c0c0c0] ? 
ipv4_conntrack_defrag+0xb0/0x163 [nf_defrag_ipv4]
  Aug  1 16:15:59 faire kernel: [31778.831868]  [c038da3c] 

[Kernel-packages] [Bug 1351353] Re: Kernel oops related to running kvm (?)

[James Hunt]

** Attachment added: kern.log
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1351353/+attachment/4167467/+files/kern.log

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https://bugs.launchpad.net/bugs/1351353

Title:
  Kernel oops related to running kvm (?)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  My system suddently became unresponsive so I tried to SysRq s/u/b and
  I think that's what caused another problem.

  Either way, my system hard-locked.


  Aug  1 16:15:59 faire kernel: [31778.831601] [ cut here 
]
  Aug  1 16:15:59 faire kernel: [31778.831644] WARNING: CPU: 2 PID: 1834 at 
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3313 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]()
  Aug  1 16:15:59 faire kernel: [31778.831646] Modules linked in: cdc_acm 
ums_cypress btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs 
libcrc32c veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE 
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate ctr 
twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 intel_rapl x86_pkg_temp_thermal 
intel_powerclamp coretemp kvm_intel kvm microcode snd_hda_codec_realtek 
snd_hda_codec_generic snd_hda_codec_hdmi joydev binfmt_misc serio_raw iwlmvm 
mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep lpc_ich 
rtsx_pci_ms iwlwifi memstick snd_pcm cfg80211 uvcvideo videobuf2_vmalloc 
videobuf2_memops shpchp videobuf2_core v4l2_common mei_me videodev mei media 
thinkpad_acpi nvram btusb snd_seq_midi snd_seq_midi_event bluetooth snd_rawmidi 
6lowpan_iphc snd_seq snd_seq_device snd_timer snd intel_smartconnect soundcore 
cuse parport_pc mac_hid ppdev lp parport nls_iso8859_1 uas usb_storage 
hid_generic usbhid hid dm_crypt mmc_block rtsx_pci_sdmmc crct10dif_pclmul 
crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul 
glue_helper ablk_helper cryptd psmouse i915 ahci e1000e libahci rtsx_pci ptp 
pps_core i2c_algo_bit drm_kms_helper wmi drm video
  Aug  1 16:15:59 faire kernel: [31778.831718] CPU: 2 PID: 1834 Comm: Xorg Not 
tainted 3.16.0-6-generic #11-Ubuntu
  Aug  1 16:15:59 faire kernel: [31778.831720] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
  Aug  1 16:15:59 faire kernel: [31778.831721]  0009 
8800d6233c10 82755538 
  Aug  1 16:15:59 faire kernel: [31778.831724]  8800d6233c48 
8206bb0d  880308eed000
  Aug  1 16:15:59 faire kernel: [31778.831726]  880304108240 
8800da1e1000 8800da1e1000 8800d6233c58
  Aug  1 16:15:59 faire kernel: [31778.831729] Call Trace:
  Aug  1 16:15:59 faire kernel: [31778.831735]  [82755538] 
dump_stack+0x45/0x56
  Aug  1 16:15:59 faire kernel: [31778.831739]  [8206bb0d] 
warn_slowpath_common+0x7d/0xa0
  Aug  1 16:15:59 faire kernel: [31778.831742]  [8206bbea] 
warn_slowpath_null+0x1a/0x20
  Aug  1 16:15:59 faire kernel: [31778.831765]  [c04c6951] 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831769]  [820b2960] ? 
prepare_to_wait_event+0x100/0x100
  Aug  1 16:15:59 faire kernel: [31778.831787]  [c04c9403] 
intel_crtc_disable_planes+0x33/0x1c0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831790]  [8275bb2b] ? 
__ww_mutex_lock+0x1b/0x97
  Aug  1 16:15:59 faire kernel: [31778.831807]  [c04ca305] 
haswell_crtc_disable+0x55/0x2f0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831809]  [8275c062] ? 
mutex_lock+0x12/0x2f
  Aug  1 16:15:59 faire kernel: [31778.831823]  [c04cad27] 
intel_crtc_update_dpms+0x67/0xa0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831835]  [c04cf1e9] 
intel_connector_dpms+0x59/0x70 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831848]  [c039ea1f] 
drm_mode_obj_set_property_ioctl+0x39f/0x3b0 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831858]  [c039ea60] 
drm_mode_connector_property_set_ioctl+0x30/0x40 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831860]  [c0c0c0c0] ? 
ipv4_conntrack_defrag+0xb0/0x163 [nf_defrag_ipv4]
  Aug  1 16:15:59 faire kernel: [31778.831868]  [c038da3c] 
drm_ioctl+0x1ec/0x660 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831873]  [821e2d20] 
do_vfs_ioctl+0x2e0/0x4c0
  Aug  1 16:15:59 faire kernel: [31778.831876]  [820a2de4] ? 
vtime_account_user+0x54/0x60
  Aug  1 16:15:59 

[Kernel-packages] [Bug 1351353] Re: Kernel oops related to running kvm (?)

[James Hunt]

** Attachment added: kern.log
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1351353/+attachment/4167466/+files/kern.log

-- 
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/1351353

Title:
  Kernel oops related to running kvm (?)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  My system suddently became unresponsive so I tried to SysRq s/u/b and
  I think that's what caused another problem.

  Either way, my system hard-locked.


  Aug  1 16:15:59 faire kernel: [31778.831601] [ cut here 
]
  Aug  1 16:15:59 faire kernel: [31778.831644] WARNING: CPU: 2 PID: 1834 at 
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3313 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]()
  Aug  1 16:15:59 faire kernel: [31778.831646] Modules linked in: cdc_acm 
ums_cypress btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs 
libcrc32c veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE 
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate ctr 
twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 intel_rapl x86_pkg_temp_thermal 
intel_powerclamp coretemp kvm_intel kvm microcode snd_hda_codec_realtek 
snd_hda_codec_generic snd_hda_codec_hdmi joydev binfmt_misc serio_raw iwlmvm 
mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep lpc_ich 
rtsx_pci_ms iwlwifi memstick snd_pcm cfg80211 uvcvideo videobuf2_vmalloc 
videobuf2_memops shpchp videobuf2_core v4l2_common mei_me videodev mei media 
thinkpad_acpi nvram btusb snd_seq_midi snd_seq_midi_event bluetooth snd_rawmidi 
6lowpan_iphc snd_seq snd_seq_device snd_timer snd intel_smartconnect soundcore 
cuse parport_pc mac_hid ppdev lp parport nls_iso8859_1 uas usb_storage 
hid_generic usbhid hid dm_crypt mmc_block rtsx_pci_sdmmc crct10dif_pclmul 
crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul 
glue_helper ablk_helper cryptd psmouse i915 ahci e1000e libahci rtsx_pci ptp 
pps_core i2c_algo_bit drm_kms_helper wmi drm video
  Aug  1 16:15:59 faire kernel: [31778.831718] CPU: 2 PID: 1834 Comm: Xorg Not 
tainted 3.16.0-6-generic #11-Ubuntu
  Aug  1 16:15:59 faire kernel: [31778.831720] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
  Aug  1 16:15:59 faire kernel: [31778.831721]  0009 
8800d6233c10 82755538 
  Aug  1 16:15:59 faire kernel: [31778.831724]  8800d6233c48 
8206bb0d  880308eed000
  Aug  1 16:15:59 faire kernel: [31778.831726]  880304108240 
8800da1e1000 8800da1e1000 8800d6233c58
  Aug  1 16:15:59 faire kernel: [31778.831729] Call Trace:
  Aug  1 16:15:59 faire kernel: [31778.831735]  [82755538] 
dump_stack+0x45/0x56
  Aug  1 16:15:59 faire kernel: [31778.831739]  [8206bb0d] 
warn_slowpath_common+0x7d/0xa0
  Aug  1 16:15:59 faire kernel: [31778.831742]  [8206bbea] 
warn_slowpath_null+0x1a/0x20
  Aug  1 16:15:59 faire kernel: [31778.831765]  [c04c6951] 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831769]  [820b2960] ? 
prepare_to_wait_event+0x100/0x100
  Aug  1 16:15:59 faire kernel: [31778.831787]  [c04c9403] 
intel_crtc_disable_planes+0x33/0x1c0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831790]  [8275bb2b] ? 
__ww_mutex_lock+0x1b/0x97
  Aug  1 16:15:59 faire kernel: [31778.831807]  [c04ca305] 
haswell_crtc_disable+0x55/0x2f0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831809]  [8275c062] ? 
mutex_lock+0x12/0x2f
  Aug  1 16:15:59 faire kernel: [31778.831823]  [c04cad27] 
intel_crtc_update_dpms+0x67/0xa0 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831835]  [c04cf1e9] 
intel_connector_dpms+0x59/0x70 [i915]
  Aug  1 16:15:59 faire kernel: [31778.831848]  [c039ea1f] 
drm_mode_obj_set_property_ioctl+0x39f/0x3b0 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831858]  [c039ea60] 
drm_mode_connector_property_set_ioctl+0x30/0x40 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831860]  [c0c0c0c0] ? 
ipv4_conntrack_defrag+0xb0/0x163 [nf_defrag_ipv4]
  Aug  1 16:15:59 faire kernel: [31778.831868]  [c038da3c] 
drm_ioctl+0x1ec/0x660 [drm]
  Aug  1 16:15:59 faire kernel: [31778.831873]  [821e2d20] 
do_vfs_ioctl+0x2e0/0x4c0
  Aug  1 16:15:59 faire kernel: [31778.831876]  [820a2de4] ? 
vtime_account_user+0x54/0x60
  Aug  1 16:15:59 

[Kernel-packages] [Bug 1351353] [NEW] Kernel oops related to running kvm (?)

[James Hunt]

Public bug reported:

My system suddently became unresponsive so I tried to SysRq s/u/b and I
think that's what caused another problem.

Either way, my system hard-locked.


Aug  1 16:15:59 faire kernel: [31778.831601] [ cut here 
]
Aug  1 16:15:59 faire kernel: [31778.831644] WARNING: CPU: 2 PID: 1834 at 
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3313 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]()
Aug  1 16:15:59 faire kernel: [31778.831646] Modules linked in: cdc_acm 
ums_cypress btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs 
libcrc32c veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE 
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate ctr 
twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 intel_rapl x86_pkg_temp_thermal 
intel_powerclamp coretemp kvm_intel kvm microcode snd_hda_codec_realtek 
snd_hda_codec_generic snd_hda_codec_hdmi joydev binfmt_misc serio_raw iwlmvm 
mac80211 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep lpc_ich 
rtsx_pci_ms iwlwifi memstick snd_pcm cfg80211 uvcvideo videobuf2_vmalloc 
videobuf2_memops shpchp videobuf2_core v4l2_common mei_me videodev mei media 
thinkpad_acpi nvram btusb snd_seq_midi snd_seq_midi_event bluetooth snd_rawmidi 
6lowpan_iphc snd_seq snd_seq_device snd_timer snd intel_smartconnect soundcore 
cuse parport_pc mac_hid ppdev lp parport nls_iso8859_1 uas usb_storage 
hid_generic usbhid hid dm_crypt mmc_block rtsx_pci_sdmmc crct10dif_pclmul 
crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul 
glue_helper ablk_helper cryptd psmouse i915 ahci e1000e libahci rtsx_pci ptp 
pps_core i2c_algo_bit drm_kms_helper wmi drm video
Aug  1 16:15:59 faire kernel: [31778.831718] CPU: 2 PID: 1834 Comm: Xorg Not 
tainted 3.16.0-6-generic #11-Ubuntu
Aug  1 16:15:59 faire kernel: [31778.831720] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
Aug  1 16:15:59 faire kernel: [31778.831721]  0009 8800d6233c10 
82755538 
Aug  1 16:15:59 faire kernel: [31778.831724]  8800d6233c48 8206bb0d 
 880308eed000
Aug  1 16:15:59 faire kernel: [31778.831726]  880304108240 8800da1e1000 
8800da1e1000 8800d6233c58
Aug  1 16:15:59 faire kernel: [31778.831729] Call Trace:
Aug  1 16:15:59 faire kernel: [31778.831735]  [82755538] 
dump_stack+0x45/0x56
Aug  1 16:15:59 faire kernel: [31778.831739]  [8206bb0d] 
warn_slowpath_common+0x7d/0xa0
Aug  1 16:15:59 faire kernel: [31778.831742]  [8206bbea] 
warn_slowpath_null+0x1a/0x20
Aug  1 16:15:59 faire kernel: [31778.831765]  [c04c6951] 
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]
Aug  1 16:15:59 faire kernel: [31778.831769]  [820b2960] ? 
prepare_to_wait_event+0x100/0x100
Aug  1 16:15:59 faire kernel: [31778.831787]  [c04c9403] 
intel_crtc_disable_planes+0x33/0x1c0 [i915]
Aug  1 16:15:59 faire kernel: [31778.831790]  [8275bb2b] ? 
__ww_mutex_lock+0x1b/0x97
Aug  1 16:15:59 faire kernel: [31778.831807]  [c04ca305] 
haswell_crtc_disable+0x55/0x2f0 [i915]
Aug  1 16:15:59 faire kernel: [31778.831809]  [8275c062] ? 
mutex_lock+0x12/0x2f
Aug  1 16:15:59 faire kernel: [31778.831823]  [c04cad27] 
intel_crtc_update_dpms+0x67/0xa0 [i915]
Aug  1 16:15:59 faire kernel: [31778.831835]  [c04cf1e9] 
intel_connector_dpms+0x59/0x70 [i915]
Aug  1 16:15:59 faire kernel: [31778.831848]  [c039ea1f] 
drm_mode_obj_set_property_ioctl+0x39f/0x3b0 [drm]
Aug  1 16:15:59 faire kernel: [31778.831858]  [c039ea60] 
drm_mode_connector_property_set_ioctl+0x30/0x40 [drm]
Aug  1 16:15:59 faire kernel: [31778.831860]  [c0c0c0c0] ? 
ipv4_conntrack_defrag+0xb0/0x163 [nf_defrag_ipv4]
Aug  1 16:15:59 faire kernel: [31778.831868]  [c038da3c] 
drm_ioctl+0x1ec/0x660 [drm]
Aug  1 16:15:59 faire kernel: [31778.831873]  [821e2d20] 
do_vfs_ioctl+0x2e0/0x4c0
Aug  1 16:15:59 faire kernel: [31778.831876]  [820a2de4] ? 
vtime_account_user+0x54/0x60
Aug  1 16:15:59 faire kernel: [31778.831878]  [821e2f81] 
SyS_ioctl+0x81/0xa0
Aug  1 16:15:59 faire kernel: [31778.831880]  [8275de7f] 
tracesys+0xe1/0xe6
Aug  1 16:15:59 faire kernel: [31778.831881] ---[ end trace bb931f1719ba6be2 
]---

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-generic 3.16.0.6.7
ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
Uname: Linux 3.16.0-6-generic x86_64
ApportVersion: 2.14.5-0ubuntu2

[Kernel-packages] [Bug 1348716] Re: kernel oops writing image to sd card

[James Hunt]

@jsalisbury - I am only using ubuntu-packaged kernels. When I get a
chance I'll try to identify the last working kernel. However, can you
tell from the stacktrace if this is a generic kernel issue? If so, can
the kernel team recreate?

@penalvch - my bios may not be at the latest version, but we cannot
expect users to go through the hassle of flashing their bios just to
write data to an SD card.


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

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

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Title:
  kernel oops writing image to sd card

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Writing a 3G image to an SD card led to an oops (on both occasions I
  tried it):

  $ cat foo.img | sudo dd bs=16M of=/dev/mmcblk0

  [36467.181234] Call Trace:
  [36467.181245]  [827596d9] schedule_preempt_disabled+0x29/0x70
  [36467.181251]  [8275b525] __mutex_lock_slowpath+0xd5/0x1d0
  [36467.181278]  [8275b63f] mutex_lock+0x1f/0x2f
  [36467.181283]  [822066d3] __blkdev_get+0x63/0x4c0
  [36467.181287]  [82206cf5] blkdev_get+0x1c5/0x340
  [36467.181291]  [82206f1b] blkdev_open+0x5b/0x80
  [36467.181296]  [821cd32f] do_dentry_open+0x1ff/0x350
  [36467.181300]  [82206ec0] ? blkdev_get_by_dev+0x50/0x50
  [36467.181303]  [821cd5c9] vfs_open+0x49/0x50
  [36467.181309]  [821dca94] do_last+0x554/0x1210
  [36467.181317]  [823226bb] ? apparmor_file_alloc_security+0x5b/0x180
  [36467.181322]  [821dea1b] path_openat+0xbb/0x620
  [36467.181328]  [82384d66] ? sprintf+0x46/0x50
  [36467.181333]  [821e048a] do_filp_open+0x3a/0x90
  [36467.181340]  [821ecff7] ? __alloc_fd+0xa7/0x130
  [36467.181345]  [821ceea9] do_sys_open+0x129/0x280
  [36467.181349]  [82021b55] ? syscall_trace_enter+0x145/0x250
  [36467.181353]  [821cf01e] SyS_open+0x1e/0x20
  [36467.181359]  [8275d43f] tracesys+0xe1/0xe6

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-generic 3.16.0.5.6
  ProcVersionSignature: Ubuntu 3.16.0-5.10-generic 3.16.0-rc6
  Uname: Linux 3.16.0-5-generic x86_64
  ApportVersion: 2.14.4-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  james  3817 F pulseaudio
   /dev/snd/controlC1:  james  3817 F pulseaudio
  CurrentDesktop: Unity
  Date: Fri Jul 25 17:23:47 2014
  HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
  InstallationDate: Installed on 2014-04-11 (104 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
  MachineType: LENOVO 20AQCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-5-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-5-generic N/A
   linux-backports-modules-3.16.0-5-generic  N/A
   linux-firmware1.132
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-05-08 (78 days ago)
  dmi.bios.date: 02/10/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET71WW (2.21 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AQCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98405 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AQCTO1WW
  dmi.product.version: ThinkPad T440s
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1348716] [NEW] kernel oops writing image to sd card

[James Hunt]

Public bug reported:

Writing a 3G image to an SD card led to an oops (on both occasions I
tried it):

$ cat foo.img | sudo dd bs=16M of=/dev/mmcblk0

[36467.181234] Call Trace:
[36467.181245]  [827596d9] schedule_preempt_disabled+0x29/0x70
[36467.181251]  [8275b525] __mutex_lock_slowpath+0xd5/0x1d0
[36467.181278]  [8275b63f] mutex_lock+0x1f/0x2f
[36467.181283]  [822066d3] __blkdev_get+0x63/0x4c0
[36467.181287]  [82206cf5] blkdev_get+0x1c5/0x340
[36467.181291]  [82206f1b] blkdev_open+0x5b/0x80
[36467.181296]  [821cd32f] do_dentry_open+0x1ff/0x350
[36467.181300]  [82206ec0] ? blkdev_get_by_dev+0x50/0x50
[36467.181303]  [821cd5c9] vfs_open+0x49/0x50
[36467.181309]  [821dca94] do_last+0x554/0x1210
[36467.181317]  [823226bb] ? apparmor_file_alloc_security+0x5b/0x180
[36467.181322]  [821dea1b] path_openat+0xbb/0x620
[36467.181328]  [82384d66] ? sprintf+0x46/0x50
[36467.181333]  [821e048a] do_filp_open+0x3a/0x90
[36467.181340]  [821ecff7] ? __alloc_fd+0xa7/0x130
[36467.181345]  [821ceea9] do_sys_open+0x129/0x280
[36467.181349]  [82021b55] ? syscall_trace_enter+0x145/0x250
[36467.181353]  [821cf01e] SyS_open+0x1e/0x20
[36467.181359]  [8275d43f] tracesys+0xe1/0xe6

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-generic 3.16.0.5.6
ProcVersionSignature: Ubuntu 3.16.0-5.10-generic 3.16.0-rc6
Uname: Linux 3.16.0-5-generic x86_64
ApportVersion: 2.14.4-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC0:  james  3817 F pulseaudio
 /dev/snd/controlC1:  james  3817 F pulseaudio
CurrentDesktop: Unity
Date: Fri Jul 25 17:23:47 2014
HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
InstallationDate: Installed on 2014-04-11 (104 days ago)
InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
MachineType: LENOVO 20AQCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-5-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.16.0-5-generic N/A
 linux-backports-modules-3.16.0-5-generic  N/A
 linux-firmware1.132
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-05-08 (78 days ago)
dmi.bios.date: 02/10/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET71WW (2.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug utopic

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You received this bug notification because you are a member of Kernel
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Title:
  kernel oops writing image to sd card

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Writing a 3G image to an SD card led to an oops (on both occasions I
  tried it):

  $ cat foo.img | sudo dd bs=16M of=/dev/mmcblk0

  [36467.181234] Call Trace:
  [36467.181245]  [827596d9] schedule_preempt_disabled+0x29/0x70
  [36467.181251]  [8275b525] __mutex_lock_slowpath+0xd5/0x1d0
  [36467.181278]  [8275b63f] mutex_lock+0x1f/0x2f
  [36467.181283]  [822066d3] __blkdev_get+0x63/0x4c0
  [36467.181287]  [82206cf5] blkdev_get+0x1c5/0x340
  [36467.181291]  [82206f1b] blkdev_open+0x5b/0x80
  [36467.181296]  [821cd32f] do_dentry_open+0x1ff/0x350
  [36467.181300]  [82206ec0] ? blkdev_get_by_dev+0x50/0x50
  [36467.181303]  [821cd5c9] vfs_open+0x49/0x50
  [36467.181309]  [821dca94] do_last+0x554/0x1210
  [36467.181317]  [823226bb] ? apparmor_file_alloc_security+0x5b/0x180
  [36467.181322]  [821dea1b] path_openat+0xbb/0x620
  [36467.181328]  [82384d66] ? sprintf+0x46/0x50
  [36467.181333]  [821e048a] do_filp_open+0x3a/0x90
  [36467.181340]  [821ecff7] ? __alloc_fd+0xa7/0x130
  [36467.181345]  [821ceea9] do_sys_open+0x129/0x280
  [36467.181349]  [82021b55] ? syscall_trace_enter+0x145/0x250
  [36467.181353]  [821cf01e] SyS_open+0x1e/0x20
  [36467.181359]  [8275d43f] tracesys+0xe1/0xe6

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-generic 3.16.0.5.6
  ProcVersionSignature: Ubuntu 3.16.0-5.10-generic 3.16.0-rc6
  Uname: Linux 3.16.0-5-generic x86_64
  ApportVersion: 2.14.4-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
 

[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

** Changed in: upstart
   Status: Confirmed = Fix Released

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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Touch Landing Plan:
  Fix Released
Status in Unity:
  Confirmed
Status in Upstart:
  Fix Released
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  Confirmed
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

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[Kernel-packages] [Bug 1340798] [NEW] ubuntu touch kernel oops / BUG on armhf image r126

[James Hunt]

Public bug reported:

[0.70] BUG: Bad page state in process modprobe  pfn:0
[0.70] page:81041000 count:0 mapcount:-127 mapping:  (null) index:0x0
[0.70] page flags: 0x0()
[0.70] Modules linked in:
[0.70] [80012bb8] (unwind_backtrace+0x0/0x11c) from [800a30a4] 
(bad_page+0xd4/0x100)
[0.70] [800a30a4] (bad_page+0xd4/0x100) from [800a3194] 
(free_pages_prepare+0xc4/0x184)
[0.70] [800a3194] (free_pages_prepare+0xc4/0x184) from [800a47d0] 
(free_hot_cold_page+0x20/0x180)
[0.70] [800a47d0] (free_hot_cold_page+0x20/0x180) from [800ba568] 
(do_wp_page.isra.71+0x730/0x780)
[0.70] [800ba568] (do_wp_page.isra.71+0x730/0x780) from [800bc388] 
(handle_mm_fault+0xac/0xd8)
[0.70] [800bc388] (handle_mm_fault+0xac/0xd8) from [80414eb4] 
(do_page_fault+0x168/0x398)
[0.70] [80414eb4] (do_page_fault+0x168/0x398) from [80008390] 
(do_DataAbort+0x34/0x98)
[0.70] [80008390] (do_DataAbort+0x34/0x98) from [80413898] 
(__dabt_svc+0x38/0x60)
[0.70] Exception stack(0xeeb7de00 to 0xeeb7de48)
[0.70] de00: 76fa722c 0dcc    ee8391c0 
eeba4d80 76fa7270
[0.70] de20: 76f8e000 76fa722c ef107f00 76fa722c  eeb7de48 
80113dc4 80235e70
[0.70] de40: 2013 
[0.70] [80413898] (__dabt_svc+0x38/0x60) from [80235e70] 
(__clear_user_std+0x34/0x64)
[0.71] Disabling lock debugging due to kernel taint

$ ps -ef|grep emulator
james 3604 29836  0 16:16 pts/400:00:00 ubuntu-emulator run 
11july2014-armhf --memory=2048
james 3609  3604 99 16:16 pts/400:07:49 
/usr/share/android/emulator/out/host/linux-x86/bin/emulator-arm -memory 2048 
-skindir /usr/share/ubuntu-emulator/skins -skin EDGE -sysdir 
/home/james/.local/share/ubuntu-emulator/11july2014-armhf -kernel 
/home/james/.local/share/ubuntu-emulator/11july2014-armhf/ubuntu-kernel 
-ramdisk /home/james/.local/share/ubuntu-emulator/11july2014-armhf/ramdisk.img 
-data /home/james/.local/share/ubuntu-emulator/11july2014-armhf/userdata.img 
-system /home/james/.local/share/ubuntu-emulator/11july2014-armhf/system.img 
-sdcard /home/james/.local/share/ubuntu-emulator/11july2014-armhf/sdcard.img 
-cache /home/james/.local/share/ubuntu-emulator/11july2014-armhf/cache.img 
-force-32bit -no-snapstorage -gpu on -scale 1.0 -shell -no-jni -show-kernel 
-verbose -qemu -cpu cortex-a9

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

** Attachment added: ubuntu-emulator log
   https://bugs.launchpad.net/bugs/1340798/+attachment/4150482/+files/crash.txt

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1340798

Title:
  ubuntu touch kernel oops / BUG on armhf image r126

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  [0.70] BUG: Bad page state in process modprobe  pfn:0
  [0.70] page:81041000 count:0 mapcount:-127 mapping:  (null) index:0x0
  [0.70] page flags: 0x0()
  [0.70] Modules linked in:
  [0.70] [80012bb8] (unwind_backtrace+0x0/0x11c) from [800a30a4] 
(bad_page+0xd4/0x100)
  [0.70] [800a30a4] (bad_page+0xd4/0x100) from [800a3194] 
(free_pages_prepare+0xc4/0x184)
  [0.70] [800a3194] (free_pages_prepare+0xc4/0x184) from [800a47d0] 
(free_hot_cold_page+0x20/0x180)
  [0.70] [800a47d0] (free_hot_cold_page+0x20/0x180) from [800ba568] 
(do_wp_page.isra.71+0x730/0x780)
  [0.70] [800ba568] (do_wp_page.isra.71+0x730/0x780) from 
[800bc388] (handle_mm_fault+0xac/0xd8)
  [0.70] [800bc388] (handle_mm_fault+0xac/0xd8) from [80414eb4] 
(do_page_fault+0x168/0x398)
  [0.70] [80414eb4] (do_page_fault+0x168/0x398) from [80008390] 
(do_DataAbort+0x34/0x98)
  [0.70] [80008390] (do_DataAbort+0x34/0x98) from [80413898] 
(__dabt_svc+0x38/0x60)
  [0.70] Exception stack(0xeeb7de00 to 0xeeb7de48)
  [0.70] de00: 76fa722c 0dcc    ee8391c0 
eeba4d80 76fa7270
  [0.70] de20: 76f8e000 76fa722c ef107f00 76fa722c  eeb7de48 
80113dc4 80235e70
  [0.70] de40: 2013 
  [0.70] [80413898] (__dabt_svc+0x38/0x60) from [80235e70] 
(__clear_user_std+0x34/0x64)
  [0.71] Disabling lock debugging due to kernel taint

  $ ps -ef|grep emulator
  james 3604 29836  0 16:16 pts/400:00:00 ubuntu-emulator run 
11july2014-armhf --memory=2048
  james 3609  3604 99 16:16 pts/400:07:49 
/usr/share/android/emulator/out/host/linux-x86/bin/emulator-arm -memory 2048 
-skindir /usr/share/ubuntu-emulator/skins -skin EDGE -sysdir 
/home/james/.local/share/ubuntu-emulator/11july2014-armhf -kernel 
/home/james/.local/share/ubuntu-emulator/11july2014-armhf/ubuntu-kernel 
-ramdisk /home/james/.local/share/ubuntu-emulator/11july2014-armhf/ramdisk.img 
-data 

[Kernel-packages] [Bug 1326861] [NEW] kerneloops ignores WARNING: oops messages

[James Hunt]

Public bug reported:

The kerneloops daemon ignores WARNING-type oops's. This seems to be due
to bug 346303 (2009).

Is this behaviour still in line with our processes? I'm guessing not
since the kernel team don't seem to be aware of this silent filtering
and it means that we would miss crash reports such as bug 1326300.

The fix is to remove the filter on WARNING: in pipe_oopses() - updated
patch attached.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: kerneloops-daemon 0.12+git20090217-3ubuntu8
ProcVersionSignature: Ubuntu 3.15.0-5.10-generic 3.15.0-rc8
Uname: Linux 3.15.0-5-generic x86_64
ApportVersion: 2.14.3-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Jun  5 14:09:04 2014
InstallationDate: Installed on 2014-04-11 (54 days ago)
InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
SourcePackage: kerneloops
UpgradeStatus: Upgraded to utopic on 2014-05-08 (28 days ago)
modified.conffile..etc.kerneloops.conf: [modified]
mtime.conffile..etc.kerneloops.conf: 2014-06-05T14:00:14.231359

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


** Tags: amd64 apport-bug utopic

** Patch added: ubuntu-add-submit-pipe.patch
   
https://bugs.launchpad.net/bugs/1326861/+attachment/4125949/+files/ubuntu-add-submit-pipe.patch

** Summary changed:

- kerneloops ignored some oops messages
+ kerneloops ignores WARNING: oops messages

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to kerneloops in Ubuntu.
https://bugs.launchpad.net/bugs/1326861

Title:
  kerneloops ignores WARNING: oops messages

Status in “kerneloops” package in Ubuntu:
  New

Bug description:
  The kerneloops daemon ignores WARNING-type oops's. This seems to be
  due to bug 346303 (2009).

  Is this behaviour still in line with our processes? I'm guessing not
  since the kernel team don't seem to be aware of this silent filtering
  and it means that we would miss crash reports such as bug 1326300.

  The fix is to remove the filter on WARNING: in pipe_oopses() -
  updated patch attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: kerneloops-daemon 0.12+git20090217-3ubuntu8
  ProcVersionSignature: Ubuntu 3.15.0-5.10-generic 3.15.0-rc8
  Uname: Linux 3.15.0-5-generic x86_64
  ApportVersion: 2.14.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Jun  5 14:09:04 2014
  InstallationDate: Installed on 2014-04-11 (54 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
  SourcePackage: kerneloops
  UpgradeStatus: Upgraded to utopic on 2014-05-08 (28 days ago)
  modified.conffile..etc.kerneloops.conf: [modified]
  mtime.conffile..etc.kerneloops.conf: 2014-06-05T14:00:14.231359

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/kerneloops/+bug/1326861/+subscriptions

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[Kernel-packages] [Bug 1326300] [NEW] Logitech QuickCam 4000 Pro causes kernel oops when video switched off

[James Hunt]

Public bug reported:

To reproduce:

1) Plug in Logitech QuickCam 4000 Pro via USB
2) Run 'mplayer -tv device=/dev/video1 tv://'
3) Quit mplayer
4) Run, 'dmesg|grep -q 'Call Trace:'  echo found bug'
5) Observe that 'found bug' is displayed.

[ 9477.565079] usb 2-1: new full-speed USB device number 10 using xhci_hcd
[ 9477.820828] usb 2-1: New USB device found, idVendor=046d, idProduct=08b2
[ 9477.820835] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 9477.821394] usb 2-1: ep 0x82 - rounding interval to 512 microframes, ep desc 
says 800 microframes
[ 9477.839316] pwc: Logitech QuickCam 4000 Pro USB webcam detected.
[ 9478.277667] pwc: Registered as video1.
[ 9478.277850] input: PWC snapshot button as 
/devices/pci:00/:00:14.0/usb2/2-1/input/input17
[ 9478.278188] usbcore: registered new interface driver Philips webcam
[ 9478.317402] usbcore: registered new interface driver snd-usb-audio
[ 9484.954720] usb 2-1: ep 0x82 - rounding interval to 512 microframes, ep desc 
says 800 microframes
[ 9665.533822] usb 2-1: USB disconnect, device number 10
[ 9677.033044] usb 2-3: new full-speed USB device number 11 using xhci_hcd
[ 9679.218500] usb 2-3: New USB device found, idVendor=046d, idProduct=08b2
[ 9679.218512] usb 2-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 9679.218820] usb 2-3: ep 0x82 - rounding interval to 512 microframes, ep desc 
says 800 microframes
[ 9679.220197] pwc: Logitech QuickCam 4000 Pro USB webcam detected.
[ 9679.674614] pwc: Registered as video2.
[ 9679.674713] input: PWC snapshot button as 
/devices/pci:00/:00:14.0/usb2/2-3/input/input18
[ 9681.296102] [ cut here ]
[ 9681.296132] WARNING: CPU: 0 PID: 6039 at 
/build/buildd/linux-3.15.0/drivers/media/v4l2-core/videobuf2-core.c:2011 
__vb2_queue_cancel+0x116/0x180 [videobuf2_core]()
[ 9681.296135] Modules linked in: snd_usb_audio snd_usbmidi_lib pwc v4l2_common 
veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat 
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp 
bridge stp llc iptable_filter ip_tables x_tables deflate ctr twofish_generic 
twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common 
camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 camellia_x86_64 
serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts serpent_generic 
blowfish_generic blowfish_x86_64 blowfish_common cast5_avx_x86_64 cast5_generic 
cast_common des_generic cmac xcbc rmd160 crypto_null af_key xfrm_algo arc4 
snd_hda_codec_hdmi snd_hda_codec_realtek intel_rapl snd_hda_codec_generic 
x86_pkg_temp_thermal intel_powerclamp coretemp thinkpad_acpi kvm_intel nvram 
snd_hda_intel iwlmvm snd_hda_controller kvm snd_hda_codec uvcvideo mac80211 
snd_hwdep videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_core 
snd_seq_midi snd_seq_midi_event microcode snd_rawmidi videodev snd_seq 
snd_seq_device iwlwifi joydev snd_timer serio_raw btusb rtsx_pci_ms bluetooth 
memstick 6lowpan_iphc cfg80211 snd mei_me mei mac_hid shpchp intel_smartconnect 
lpc_ich soundcore cuse parport_pc ppdev lp binfmt_misc parport nls_iso8859_1 
uas usb_storage hid_generic usbhid hid dm_crypt mmc_block rtsx_pci_sdmmc 
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw 
gf128mul glue_helper ablk_helper cryptd psmouse i915 ahci e1000e libahci 
rtsx_pci ptp pps_core wmi i2c_algo_bit drm_kms_helper drm video
[ 9681.296240] CPU: 0 PID: 6039 Comm: mplayer Not tainted 3.15.0-5-generic 
#10-Ubuntu
[ 9681.296243] Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 
) 02/10/2014
[ 9681.296245]  0009 88028db5fdb0 81733bb4 

[ 9681.296249]  88028db5fde8 81066a6d  
8801dc2b0670
[ 9681.296252]  8803097f7a18 8801dc2b0420 88007a0f9780 
88028db5fdf8
[ 9681.296256] Call Trace:
[ 9681.296266]  [81733bb4] dump_stack+0x45/0x56
[ 9681.296273]  [81066a6d] warn_slowpath_common+0x7d/0xa0
[ 9681.296277]  [81066b4a] warn_slowpath_null+0x1a/0x20
[ 9681.296285]  [a04d74b6] __vb2_queue_cancel+0x116/0x180 
[videobuf2_core]
[ 9681.296293]  [a04d9c9a] vb2_queue_release+0x1a/0x30 
[videobuf2_core]
[ 9681.296301]  [a04d9d11] _vb2_fop_release+0x61/0xa0 [videobuf2_core]
[ 9681.296308]  [a04d9d7a] vb2_fop_release+0x2a/0x50 [videobuf2_core]
[ 9681.296320]  [a04ab434] v4l2_release+0x34/0x80 [videodev]
[ 9681.296326]  [811c4114] __fput+0xe4/0x220
[ 9681.296331]  [811c429e] fput+0xe/0x10
[ 9681.296335]  [81086f37] task_work_run+0xa7/0xe0
[ 9681.296342]  [81012db7] do_notify_resume+0x97/0xb0
[ 9681.296349]  [81744f6a] int_signal+0x12/0x17
[ 9681.296352] ---[ end trace 06de6c117115a86a ]---
[ 9681.296354] [ cut here ]
[ 9681.296360] WARNING: CPU: 0 PID: 6039 at 
/build/buildd/linux-3.15.0/drivers/media/v4l2-core/videobuf2-core.c:1095 

[Kernel-packages] [Bug 1326300] Re: Logitech QuickCam 4000 Pro causes kernel oops when video switched off

[James Hunt]

Note that usb camera is still plugged when oops occurs.

-- 
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/1326300

Title:
  Logitech QuickCam 4000 Pro causes kernel oops when video switched off

Status in “linux” package in Ubuntu:
  New

Bug description:
  To reproduce:

  1) Plug in Logitech QuickCam 4000 Pro via USB
  2) Run 'mplayer -tv device=/dev/video1 tv://'
  3) Quit mplayer
  4) Run, 'dmesg|grep -q 'Call Trace:'  echo found bug'
  5) Observe that 'found bug' is displayed.

  [ 9477.565079] usb 2-1: new full-speed USB device number 10 using xhci_hcd
  [ 9477.820828] usb 2-1: New USB device found, idVendor=046d, idProduct=08b2
  [ 9477.820835] usb 2-1: New USB device strings: Mfr=0, Product=0, 
SerialNumber=0
  [ 9477.821394] usb 2-1: ep 0x82 - rounding interval to 512 microframes, ep 
desc says 800 microframes
  [ 9477.839316] pwc: Logitech QuickCam 4000 Pro USB webcam detected.
  [ 9478.277667] pwc: Registered as video1.
  [ 9478.277850] input: PWC snapshot button as 
/devices/pci:00/:00:14.0/usb2/2-1/input/input17
  [ 9478.278188] usbcore: registered new interface driver Philips webcam
  [ 9478.317402] usbcore: registered new interface driver snd-usb-audio
  [ 9484.954720] usb 2-1: ep 0x82 - rounding interval to 512 microframes, ep 
desc says 800 microframes
  [ 9665.533822] usb 2-1: USB disconnect, device number 10
  [ 9677.033044] usb 2-3: new full-speed USB device number 11 using xhci_hcd
  [ 9679.218500] usb 2-3: New USB device found, idVendor=046d, idProduct=08b2
  [ 9679.218512] usb 2-3: New USB device strings: Mfr=0, Product=0, 
SerialNumber=0
  [ 9679.218820] usb 2-3: ep 0x82 - rounding interval to 512 microframes, ep 
desc says 800 microframes
  [ 9679.220197] pwc: Logitech QuickCam 4000 Pro USB webcam detected.
  [ 9679.674614] pwc: Registered as video2.
  [ 9679.674713] input: PWC snapshot button as 
/devices/pci:00/:00:14.0/usb2/2-3/input/input18
  [ 9681.296102] [ cut here ]
  [ 9681.296132] WARNING: CPU: 0 PID: 6039 at 
/build/buildd/linux-3.15.0/drivers/media/v4l2-core/videobuf2-core.c:2011 
__vb2_queue_cancel+0x116/0x180 [videobuf2_core]()
  [ 9681.296135] Modules linked in: snd_usb_audio snd_usbmidi_lib pwc 
v4l2_common veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE 
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate ctr 
twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 snd_hda_codec_hdmi snd_hda_codec_realtek 
intel_rapl snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp 
thinkpad_acpi kvm_intel nvram snd_hda_intel iwlmvm snd_hda_controller kvm 
snd_hda_codec uvcvideo mac80211 snd_hwdep videobuf2_vmalloc videobuf2_memops 
snd_pcm videobuf2_core snd_seq_midi snd_seq_midi_event microcode snd_rawmidi 
videodev snd_seq snd_seq_device iwlwifi joydev snd_timer serio_raw btusb 
rtsx_pci_ms bluetooth memstick 6lowpan_iphc cfg80211 snd mei_me mei mac_hid 
shpchp intel_smartconnect lpc_ich soundcore cuse parport_pc ppdev lp 
binfmt_misc parport nls_iso8859_1 uas usb_storage hid_generic usbhid hid 
dm_crypt mmc_block rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul 
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper 
cryptd psmouse i915 ahci e1000e libahci rtsx_pci ptp pps_core wmi i2c_algo_bit 
drm_kms_helper drm video
  [ 9681.296240] CPU: 0 PID: 6039 Comm: mplayer Not tainted 3.15.0-5-generic 
#10-Ubuntu
  [ 9681.296243] Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW 
(2.21 ) 02/10/2014
  [ 9681.296245]  0009 88028db5fdb0 81733bb4 

  [ 9681.296249]  88028db5fde8 81066a6d  
8801dc2b0670
  [ 9681.296252]  8803097f7a18 8801dc2b0420 88007a0f9780 
88028db5fdf8
  [ 9681.296256] Call Trace:
  [ 9681.296266]  [81733bb4] dump_stack+0x45/0x56
  [ 9681.296273]  [81066a6d] warn_slowpath_common+0x7d/0xa0
  [ 9681.296277]  [81066b4a] warn_slowpath_null+0x1a/0x20
  [ 9681.296285]  [a04d74b6] __vb2_queue_cancel+0x116/0x180 
[videobuf2_core]
  [ 9681.296293]  [a04d9c9a] vb2_queue_release+0x1a/0x30 
[videobuf2_core]
  [ 9681.296301]  [a04d9d11] _vb2_fop_release+0x61/0xa0 
[videobuf2_core]
  [ 9681.296308]  [a04d9d7a] vb2_fop_release+0x2a/0x50 
[videobuf2_core]
  [ 9681.296320]  [a04ab434] v4l2_release+0x34/0x80 [videodev]
  [ 9681.296326]  [811c4114] __fput+0xe4/0x220
  [ 9681.296331]  

[Kernel-packages] [Bug 1326300] Re: Logitech QuickCam 4000 Pro causes kernel oops when video switched off

[James Hunt]

Works fine with trusty using 3.13.0-24-generic and  3.13.0-27-generic
(different laptop - Lenovo T410).

-- 
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/1326300

Title:
  Logitech QuickCam 4000 Pro causes kernel oops when video switched off

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  To reproduce:

  1) Plug in Logitech QuickCam 4000 Pro via USB
  2) Run 'mplayer -tv device=/dev/video1 tv://'
  3) Quit mplayer
  4) Run, 'dmesg|grep -q 'Call Trace:'  echo found bug'
  5) Observe that 'found bug' is displayed.

  [ 9477.565079] usb 2-1: new full-speed USB device number 10 using xhci_hcd
  [ 9477.820828] usb 2-1: New USB device found, idVendor=046d, idProduct=08b2
  [ 9477.820835] usb 2-1: New USB device strings: Mfr=0, Product=0, 
SerialNumber=0
  [ 9477.821394] usb 2-1: ep 0x82 - rounding interval to 512 microframes, ep 
desc says 800 microframes
  [ 9477.839316] pwc: Logitech QuickCam 4000 Pro USB webcam detected.
  [ 9478.277667] pwc: Registered as video1.
  [ 9478.277850] input: PWC snapshot button as 
/devices/pci:00/:00:14.0/usb2/2-1/input/input17
  [ 9478.278188] usbcore: registered new interface driver Philips webcam
  [ 9478.317402] usbcore: registered new interface driver snd-usb-audio
  [ 9484.954720] usb 2-1: ep 0x82 - rounding interval to 512 microframes, ep 
desc says 800 microframes
  [ 9665.533822] usb 2-1: USB disconnect, device number 10
  [ 9677.033044] usb 2-3: new full-speed USB device number 11 using xhci_hcd
  [ 9679.218500] usb 2-3: New USB device found, idVendor=046d, idProduct=08b2
  [ 9679.218512] usb 2-3: New USB device strings: Mfr=0, Product=0, 
SerialNumber=0
  [ 9679.218820] usb 2-3: ep 0x82 - rounding interval to 512 microframes, ep 
desc says 800 microframes
  [ 9679.220197] pwc: Logitech QuickCam 4000 Pro USB webcam detected.
  [ 9679.674614] pwc: Registered as video2.
  [ 9679.674713] input: PWC snapshot button as 
/devices/pci:00/:00:14.0/usb2/2-3/input/input18
  [ 9681.296102] [ cut here ]
  [ 9681.296132] WARNING: CPU: 0 PID: 6039 at 
/build/buildd/linux-3.15.0/drivers/media/v4l2-core/videobuf2-core.c:2011 
__vb2_queue_cancel+0x116/0x180 [videobuf2_core]()
  [ 9681.296135] Modules linked in: snd_usb_audio snd_usbmidi_lib pwc 
v4l2_common veth ccm overlayfs xt_CHECKSUM iptable_mangle ipt_MASQUERADE 
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack 
xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate ctr 
twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 snd_hda_codec_hdmi snd_hda_codec_realtek 
intel_rapl snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp 
thinkpad_acpi kvm_intel nvram snd_hda_intel iwlmvm snd_hda_controller kvm 
snd_hda_codec uvcvideo mac80211 snd_hwdep videobuf2_vmalloc videobuf2_memops 
snd_pcm videobuf2_core snd_seq_midi snd_seq_midi_event microcode snd_rawmidi 
videodev snd_seq snd_seq_device iwlwifi joydev snd_timer serio_raw btusb 
rtsx_pci_ms bluetooth memstick 6lowpan_iphc cfg80211 snd mei_me mei mac_hid 
shpchp intel_smartconnect lpc_ich soundcore cuse parport_pc ppdev lp 
binfmt_misc parport nls_iso8859_1 uas usb_storage hid_generic usbhid hid 
dm_crypt mmc_block rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul 
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper 
cryptd psmouse i915 ahci e1000e libahci rtsx_pci ptp pps_core wmi i2c_algo_bit 
drm_kms_helper drm video
  [ 9681.296240] CPU: 0 PID: 6039 Comm: mplayer Not tainted 3.15.0-5-generic 
#10-Ubuntu
  [ 9681.296243] Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW 
(2.21 ) 02/10/2014
  [ 9681.296245]  0009 88028db5fdb0 81733bb4 

  [ 9681.296249]  88028db5fde8 81066a6d  
8801dc2b0670
  [ 9681.296252]  8803097f7a18 8801dc2b0420 88007a0f9780 
88028db5fdf8
  [ 9681.296256] Call Trace:
  [ 9681.296266]  [81733bb4] dump_stack+0x45/0x56
  [ 9681.296273]  [81066a6d] warn_slowpath_common+0x7d/0xa0
  [ 9681.296277]  [81066b4a] warn_slowpath_null+0x1a/0x20
  [ 9681.296285]  [a04d74b6] __vb2_queue_cancel+0x116/0x180 
[videobuf2_core]
  [ 9681.296293]  [a04d9c9a] vb2_queue_release+0x1a/0x30 
[videobuf2_core]
  [ 9681.296301]  [a04d9d11] _vb2_fop_release+0x61/0xa0 
[videobuf2_core]
  [ 9681.296308]  [a04d9d7a] vb2_fop_release+0x2a/0x50 
[videobuf2_core]
  [ 9681.296320]  [a04ab434] v4l2_release+0x34/0x80 [videodev]
  [ 9681.296326]  

[Kernel-packages] [Bug 1322067] [NEW] 3.15.0.1.2 breaks lxc-attach for unprivileged containers

[James Hunt]

Public bug reported:

An unprivileged call to lxc-attach fails with kernel 3.15.0.1.2, but
works fine using 3.13.0-24-generic.

Under 3.15.0.1.2, attempting to connect to a running unprivileged
container:

$ lxc-attach --clear-env -n trusty -- /bin/true
lxc-attach: Permission denied - Could not open /proc/3805/personality
lxc-attach: failed to get context of the init process, pid = 3805

Note that lxc-start and lxc-console are not affected.

To recreate:

1) Create an unpriv container:

$ lxc-create -n utopic -t download -- -d ubuntu -r utopic -a amd64

2) Boot with 3.13.0-24-generic

3) Start the container:
$ lxc-start -n utopic

4) Run a command in the container:

$ lxc-attach -n utopic --clear-env -n trusty -- /bin/true

5) Reboot into 3.15.0.1.2 and re-run the lxc-start and lxc-attach.

6) Observe the EPERM error.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-generic 3.15.0.1.2
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.2-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  james  2827 F pulseaudio
 /dev/snd/pcmC1D0p:   james  2827 F...m pulseaudio
 /dev/snd/controlC0:  james  2827 F pulseaudio
CurrentDesktop: Unity
Date: Thu May 22 07:21:55 2014
HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
InstallationDate: Installed on 2014-04-11 (40 days ago)
InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
MachineType: LENOVO 20AQCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-24-generic N/A
 linux-backports-modules-3.13.0-24-generic  N/A
 linux-firmware 1.129
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-05-08 (13 days ago)
dmi.bios.date: 02/10/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET71WW (2.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug utopic

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https://bugs.launchpad.net/bugs/1322067

Title:
  3.15.0.1.2 breaks lxc-attach for unprivileged containers

Status in “linux” package in Ubuntu:
  New

Bug description:
  An unprivileged call to lxc-attach fails with kernel 3.15.0.1.2, but
  works fine using 3.13.0-24-generic.

  Under 3.15.0.1.2, attempting to connect to a running unprivileged
  container:

  $ lxc-attach --clear-env -n trusty -- /bin/true
  lxc-attach: Permission denied - Could not open /proc/3805/personality
  lxc-attach: failed to get context of the init process, pid = 3805

  Note that lxc-start and lxc-console are not affected.

  To recreate:

  1) Create an unpriv container:

  $ lxc-create -n utopic -t download -- -d ubuntu -r utopic -a amd64

  2) Boot with 3.13.0-24-generic

  3) Start the container:
  $ lxc-start -n utopic

  4) Run a command in the container:

  $ lxc-attach -n utopic --clear-env -n trusty -- /bin/true

  5) Reboot into 3.15.0.1.2 and re-run the lxc-start and lxc-attach.

  6) Observe the EPERM error.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-generic 3.15.0.1.2
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.2-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  2827 F pulseaudio
   /dev/snd/pcmC1D0p:   james  2827 F...m pulseaudio
   /dev/snd/controlC0:  james  2827 F pulseaudio
  CurrentDesktop: Unity
  Date: Thu May 22 07:21:55 2014
  HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
  InstallationDate: Installed on 2014-04-11 (40 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
  MachineType: LENOVO 20AQCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware 1.129
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-05-08 (13 days ago)
  dmi.bios.date: 02/10/2014
  dmi.bios.vendor: 

[Kernel-packages] [Bug 1319141] Re: [Lenovo ThinkPad T440s] Kernel oops before suspend

[James Hunt]

Problem no longer occurs running kernel 3.15.0-1-generic.

** Changed in: linux (Ubuntu)
   Status: Incomplete = Invalid

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https://bugs.launchpad.net/bugs/1319141

Title:
  [Lenovo ThinkPad T440s] Kernel oops before suspend

Status in “linux” package in Ubuntu:
  Invalid

Bug description:
  May 13 18:22:10 faire kernel: [35947.754796] PM: Syncing filesystems ... done.
  May 13 18:22:10 faire kernel: [35947.782070] PM: Preparing system for mem 
sleep
  May 13 19:17:45 faire kernel: [35947.782396] mmc0: card b368 removed
  May 13 19:17:45 faire kernel: [35947.784816] Freezing user space processes 
... (elapsed 0.002 seconds) done.
  May 13 19:17:45 faire kernel: [35947.787286] Freezing remaining freezable 
tasks ... (elapsed 0.001 seconds) done.
  May 13 19:17:45 faire kernel: [35947.788760] PM: Entering mem sleep
  May 13 19:17:45 faire kernel: [35947.788841] Suspending console(s) (use 
no_console_suspend to debug)
  May 13 19:17:45 faire kernel: [35947.935975] sd 1:0:0:0: [sdb] Synchronizing 
SCSI cache
  May 13 19:17:45 faire kernel: [35947.936044] sd 1:0:0:0: [sdb] Stopping disk
  May 13 19:17:45 faire kernel: [35947.936099] sd 0:0:0:0: [sda] Synchronizing 
SCSI cache
  May 13 19:17:45 faire kernel: [35947.938056] sd 0:0:0:0: [sda] Stopping disk
  May 13 19:17:45 faire kernel: [35948.162233] [ cut here 
]
  May 13 19:17:45 faire kernel: [35948.162268] WARNING: CPU: 0 PID: 32245 at 
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_uncore.c:125 
gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]()
  May 13 19:17:45 faire kernel: [35948.162268] MMIO read or write has been 
dropped 
  May 13 19:17:45 faire kernel: [35948.162292] Modules linked in: ums_cypress 
usb_storage veth ccm hid_generic usbhid hid xt_CHECKSUM iptable_mangle 
ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat 
nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate 
ctr twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 uvcvideo videobuf2_vmalloc videobuf2_memops 
videobuf2_core videodev intel_rapl x86_pkg_temp_thermal intel_powerclamp 
coretemp iwlmvm kvm_intel mac80211 kvm joydev snd_hda_codec_hdmi serio_raw 
snd_hda_codec_realtek rtsx_pci_ms memstick iwlwifi btusb bluetooth 
thinkpad_acpi snd_hda_intel nvram snd_hda_codec cfg80211 snd_seq_midi 
snd_seq_midi_event snd_hwdep snd_pcm snd_rawmidi lpc_ich snd_seq mei_me 
snd_page_alloc snd_seq_device mei snd_timer snd soundcore binfmt_misc mac_hid 
intel_smartconnect cuse parport_pc ppdev lp parport nls_iso8859_1 dm_crypt 
mmc_block rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel 
aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i915 psmouse 
ahci e1000e libahci rtsx_pci i2c_algo_bit ptp drm_kms_helper pps_core drm wmi 
video
  May 13 19:17:45 faire kernel: [35948.162318] CPU: 0 PID: 32245 Comm: 
kworker/u16:0 Not tainted 3.13.0-24-generic #47-Ubuntu
  May 13 19:17:45 faire kernel: [35948.162319] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
  May 13 19:17:45 faire kernel: [35948.162330] Workqueue: i915 
gen6_force_wake_work [i915]
  May 13 19:17:45 faire kernel: [35948.162332]  0009 
880236459d38 81715ac4 880236459d80
  May 13 19:17:45 faire kernel: [35948.162333]  880236459d70 
810676bd 880306fb0020 880306fb0028
  May 13 19:17:45 faire kernel: [35948.162335]  0246 
 0200 880236459dd0
  May 13 19:17:45 faire kernel: [35948.162335] Call Trace:
  May 13 19:17:45 faire kernel: [35948.162339]  [81715ac4] 
dump_stack+0x45/0x56
  May 13 19:17:45 faire kernel: [35948.162341]  [810676bd] 
warn_slowpath_common+0x7d/0xa0
  May 13 19:17:45 faire kernel: [35948.162342]  [8106772c] 
warn_slowpath_fmt+0x4c/0x50
  May 13 19:17:45 faire kernel: [35948.162353]  [a018ede8] 
gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]
  May 13 19:17:45 faire kernel: [35948.162363]  [a018ee8b] 
__gen6_gt_force_wake_mt_put+0x2b/0x30 [i915]
  May 13 19:17:45 faire kernel: [35948.162371]  [a018ebb7] 
gen6_force_wake_work+0x37/0x50 [i915]
  May 13 19:17:45 faire kernel: [35948.162374]  [810838a2] 
process_one_work+0x182/0x450
  May 13 19:17:45 faire kernel: [35948.162376]  [81084641] 
worker_thread+0x121/0x410
  May 13 19:17:45 faire kernel: [35948.162377]  [81084520] ? 
rescuer_thread+0x3e0/0x3e0
  May 13 19:17:45 faire kernel: [35948.162379]  

[Kernel-packages] [Bug 1319141] Re: [Lenovo ThinkPad T440s] Kernel oops before suspend

[James Hunt]

Hi Joseph - in the past few days created a script to show a pop up when
I get any kernel oopses and that is what caused me to raise the bug.
However, checking my logs the earliest occurrence I have is from April
21 with same kernel version (3.13.0-24-generic):


Apr 21 18:10:09 faire kernel: [ 5637.053582] PM: Syncing filesystems ... done.
Apr 21 18:10:09 faire kernel: [ 5637.058987] PM: Preparing system for mem sleep
Apr 21 18:10:09 faire kernel: [ 5637.059271] mmc0: card b368 removed
Apr 21 18:25:39 faire kernel: [ 5637.061398] Freezing user space processes ... 
(elapsed 0.001 seconds) done.
Apr 21 18:25:39 faire kernel: [ 5637.063221] Freezing remaining freezable tasks 
... (elapsed 0.001 seconds) done.
Apr 21 18:25:39 faire kernel: [ 5637.064492] PM: Entering mem sleep
Apr 21 18:25:39 faire kernel: [ 5637.064569] Suspending console(s) (use 
no_console_suspend to debug)
Apr 21 18:25:39 faire kernel: [ 5637.205560] sd 1:0:0:0: [sdb] Synchronizing 
SCSI cache
Apr 21 18:25:39 faire kernel: [ 5637.205608] sd 1:0:0:0: [sdb] Stopping disk
Apr 21 18:25:39 faire kernel: [ 5637.205617] sd 0:0:0:0: [sda] Synchronizing 
SCSI cache
Apr 21 18:25:39 faire kernel: [ 5637.207564] sd 0:0:0:0: [sda] Stopping disk
Apr 21 18:25:39 faire kernel: [ 5637.431859] [ cut here 
]
Apr 21 18:25:39 faire kernel: [ 5637.431894] WARNING: CPU: 1 PID: 11523 at 
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_uncore.c:125 
gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]()
Apr 21 18:25:39 faire kernel: [ 5637.431895] MMIO read or write has been 
dropped 
Apr 21 18:25:39 faire kernel: [ 5637.431918] Modules linked in: snd_seq_dummy 
snd_hrtimer ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat 
nf_conntrack_ipv4 cuse nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp 
bridge stp llc iptable_filter ip_tables x_tables deflate ctr twofish_generic 
twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common 
camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 camellia_x86_64 
serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts serpent_generic 
blowfish_generic blowfish_x86_64 blowfish_common joydev cast5_avx_x86_64 
cast5_generic cast_common des_generic cmac xcbc rmd160 crypto_null af_key 
xfrm_algo arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp 
uvcvideo videobuf2_vmalloc kvm_intel videobuf2_memops videobuf2_core videodev 
iwlmvm kvm mac80211 thinkpad_acpi nvram snd_seq_midi psmouse snd_seq_midi_event 
snd_rawmidi serio_raw snd_hda_codec_hdmi snd_hda_codec_realtek iwlwifi 
snd_hda_intel snd_hda_codec snd_seq snd_hwdep lpc_ich rtsx_pci_ms memstick 
cfg80211 btusb bluetooth mei_me mei snd_pcm snd_seq_device snd_page_alloc 
snd_timer snd parport_pc soundcore mac_hid ppdev intel_smartconnect lp parport 
binfmt_misc nls_iso8859_1 dm_crypt hid_generic usbhid hid mmc_block 
rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel 
aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd e1000e ahci libahci ptp 
rtsx_pci i915 pps_core wmi i2c_algo_bit video drm_kms_helper drm
Apr 21 18:25:39 faire kernel: [ 5637.431943] CPU: 1 PID: 11523 Comm: 
kworker/u16:8 Not tainted 3.13.0-24-generic #46-Ubuntu
Apr 21 18:25:39 faire kernel: [ 5637.431944] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
Apr 21 18:25:39 faire kernel: [ 5637.431956] Workqueue: i915 
gen6_force_wake_work [i915]
Apr 21 18:25:39 faire kernel: [ 5637.431958]  0009 8802cccf9d38 
81715a64 8802cccf9d80
Apr 21 18:25:39 faire kernel: [ 5637.431959]  8802cccf9d70 810676bd 
88003fba0020 88003fba0028
Apr 21 18:25:39 faire kernel: [ 5637.431960]  0246  
0200 8802cccf9dd0
Apr 21 18:25:39 faire kernel: [ 5637.431961] Call Trace:
Apr 21 18:25:39 faire kernel: [ 5637.431964]  [81715a64] 
dump_stack+0x45/0x56
Apr 21 18:25:39 faire kernel: [ 5637.431966]  [810676bd] 
warn_slowpath_common+0x7d/0xa0
Apr 21 18:25:39 faire kernel: [ 5637.431968]  [8106772c] 
warn_slowpath_fmt+0x4c/0x50
Apr 21 18:25:39 faire kernel: [ 5637.431979]  [a00fade8] 
gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]
Apr 21 18:25:39 faire kernel: [ 5637.431988]  [a00fae8b] 
__gen6_gt_force_wake_mt_put+0x2b/0x30 [i915]
Apr 21 18:25:39 faire kernel: [ 5637.431996]  [a00fabb7] 
gen6_force_wake_work+0x37/0x50 [i915]
Apr 21 18:25:39 faire kernel: [ 5637.431998]  [810838a2] 
process_one_work+0x182/0x450
Apr 21 18:25:39 faire kernel: [ 5637.432000]  [81084641] 
worker_thread+0x121/0x410
Apr 21 18:25:39 faire kernel: [ 5637.432002]  [81084520] ? 
rescuer_thread+0x3e0/0x3e0
Apr 21 18:25:39 faire kernel: [ 5637.432003]  [8108b312] 
kthread+0xd2/0xf0
Apr 21 18:25:39 faire kernel: [ 5637.432005]  [8108b240] ? 
kthread_create_on_node+0x1d0/0x1d0
Apr 21 18:25:39 faire kernel: [ 5637.432006]  [8172637c] 
ret_from_fork+0x7c/0xb0

[Kernel-packages] [Bug 1319141] [NEW] kernel oops before suspend

[James Hunt]

Public bug reported:

May 13 18:22:10 faire kernel: [35947.754796] PM: Syncing filesystems ... done.
May 13 18:22:10 faire kernel: [35947.782070] PM: Preparing system for mem sleep
May 13 19:17:45 faire kernel: [35947.782396] mmc0: card b368 removed
May 13 19:17:45 faire kernel: [35947.784816] Freezing user space processes ... 
(elapsed 0.002 seconds) done.
May 13 19:17:45 faire kernel: [35947.787286] Freezing remaining freezable tasks 
... (elapsed 0.001 seconds) done.
May 13 19:17:45 faire kernel: [35947.788760] PM: Entering mem sleep
May 13 19:17:45 faire kernel: [35947.788841] Suspending console(s) (use 
no_console_suspend to debug)
May 13 19:17:45 faire kernel: [35947.935975] sd 1:0:0:0: [sdb] Synchronizing 
SCSI cache
May 13 19:17:45 faire kernel: [35947.936044] sd 1:0:0:0: [sdb] Stopping disk
May 13 19:17:45 faire kernel: [35947.936099] sd 0:0:0:0: [sda] Synchronizing 
SCSI cache
May 13 19:17:45 faire kernel: [35947.938056] sd 0:0:0:0: [sda] Stopping disk
May 13 19:17:45 faire kernel: [35948.162233] [ cut here 
]
May 13 19:17:45 faire kernel: [35948.162268] WARNING: CPU: 0 PID: 32245 at 
/build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_uncore.c:125 
gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]()
May 13 19:17:45 faire kernel: [35948.162268] MMIO read or write has been 
dropped 
May 13 19:17:45 faire kernel: [35948.162292] Modules linked in: ums_cypress 
usb_storage veth ccm hid_generic usbhid hid xt_CHECKSUM iptable_mangle 
ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat 
nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables deflate 
ctr twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 
twofish_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 
camellia_x86_64 serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 xts 
serpent_generic blowfish_generic blowfish_x86_64 blowfish_common 
cast5_avx_x86_64 cast5_generic cast_common des_generic cmac xcbc rmd160 
crypto_null af_key xfrm_algo arc4 uvcvideo videobuf2_vmalloc videobuf2_memops 
videobuf2_core videodev intel_rapl x86_pkg_temp_thermal intel_powerclamp 
coretemp iwlmvm kvm_intel mac80211 kvm joydev snd_hda_codec_hdmi serio_raw 
snd_hda_codec_realtek rtsx_pci_ms memstick iwlwifi btusb bluetooth 
thinkpad_acpi snd_hda_intel nvram snd_hda_codec cfg80211 snd_seq_midi 
snd_seq_midi_event snd_hwdep snd_pcm snd_rawmidi lpc_ich snd_seq mei_me 
snd_page_alloc snd_seq_device mei snd_timer snd soundcore binfmt_misc mac_hid 
intel_smartconnect cuse parport_pc ppdev lp parport nls_iso8859_1 dm_crypt 
mmc_block rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel 
aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i915 psmouse 
ahci e1000e libahci rtsx_pci i2c_algo_bit ptp drm_kms_helper pps_core drm wmi 
video
May 13 19:17:45 faire kernel: [35948.162318] CPU: 0 PID: 32245 Comm: 
kworker/u16:0 Not tainted 3.13.0-24-generic #47-Ubuntu
May 13 19:17:45 faire kernel: [35948.162319] Hardware name: LENOVO 
20AQCTO1WW/20AQCTO1WW, BIOS GJET71WW (2.21 ) 02/10/2014
May 13 19:17:45 faire kernel: [35948.162330] Workqueue: i915 
gen6_force_wake_work [i915]
May 13 19:17:45 faire kernel: [35948.162332]  0009 880236459d38 
81715ac4 880236459d80
May 13 19:17:45 faire kernel: [35948.162333]  880236459d70 810676bd 
880306fb0020 880306fb0028
May 13 19:17:45 faire kernel: [35948.162335]  0246  
0200 880236459dd0
May 13 19:17:45 faire kernel: [35948.162335] Call Trace:
May 13 19:17:45 faire kernel: [35948.162339]  [81715ac4] 
dump_stack+0x45/0x56
May 13 19:17:45 faire kernel: [35948.162341]  [810676bd] 
warn_slowpath_common+0x7d/0xa0
May 13 19:17:45 faire kernel: [35948.162342]  [8106772c] 
warn_slowpath_fmt+0x4c/0x50
May 13 19:17:45 faire kernel: [35948.162353]  [a018ede8] 
gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]
May 13 19:17:45 faire kernel: [35948.162363]  [a018ee8b] 
__gen6_gt_force_wake_mt_put+0x2b/0x30 [i915]
May 13 19:17:45 faire kernel: [35948.162371]  [a018ebb7] 
gen6_force_wake_work+0x37/0x50 [i915]
May 13 19:17:45 faire kernel: [35948.162374]  [810838a2] 
process_one_work+0x182/0x450
May 13 19:17:45 faire kernel: [35948.162376]  [81084641] 
worker_thread+0x121/0x410
May 13 19:17:45 faire kernel: [35948.162377]  [81084520] ? 
rescuer_thread+0x3e0/0x3e0
May 13 19:17:45 faire kernel: [35948.162379]  [8108b312] 
kthread+0xd2/0xf0
May 13 19:17:45 faire kernel: [35948.162381]  [8108b240] ? 
kthread_create_on_node+0x1d0/0x1d0
May 13 19:17:45 faire kernel: [35948.162383]  [817263fc] 
ret_from_fork+0x7c/0xb0
May 13 19:17:45 faire kernel: [35948.162384]  [8108b240] ? 
kthread_create_on_node+0x1d0/0x1d0
May 13 19:17:45 faire kernel: [35948.162384] ---[ end trace 07caaff3206587f4 
]---
May 13 19:17:45 faire kernel: [35948.174438] PM: 

[Kernel-packages] [Bug 1308082] [NEW] apparmor oops caused by starting an unprivileged lxc container

[James Hunt]

Public bug reported:

Oops caused when trying to start an lxc unprivileged container.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  james  2580 F pulseaudio
 /dev/snd/controlC0:  james  2580 F pulseaudio
CurrentDesktop: Unity
Date: Tue Apr 15 15:00:18 2014
HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
InstallationDate: Installed on 2014-04-11 (3 days ago)
InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
MachineType: LENOVO 20AQCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-24-generic N/A
 linux-backports-modules-3.13.0-24-generic  N/A
 linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/10/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GJET71WW (2.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AQCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AQCTO1WW
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug trusty

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Title:
  apparmor oops caused by starting an unprivileged lxc container

Status in “linux” package in Ubuntu:
  New

Bug description:
  Oops caused when trying to start an lxc unprivileged container.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  2580 F pulseaudio
   /dev/snd/controlC0:  james  2580 F pulseaudio
  CurrentDesktop: Unity
  Date: Tue Apr 15 15:00:18 2014
  HibernationDevice: RESUME=UUID=db600bbe-faca-41f4-9338-c3e8e227599a
  InstallationDate: Installed on 2014-04-11 (3 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Daily amd64 (20140409)
  MachineType: LENOVO 20AQCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic.efi.signed 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware 1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/10/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET71WW (2.21 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AQCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98405 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AQCTO1WW
  dmi.product.version: ThinkPad T440s
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1300144] Re: Requested shutdown results in Reboot

[James Hunt]

** Package changed: upstart (Ubuntu) = linux (Ubuntu)

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Title:
  Requested shutdown results in Reboot

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  On Lenovo X230 Tablet, and the latest 14.04, when I pick Shutdown from my 
desktop menu, the machine shuts down and then almost immediately boots up 
again, by itself.
  Instead, it should shutdown and stay down.

  Because this can cause the hardware to overheat when I turn my machine
  off and put it in its bag, I suggest this is high priority for the
  LTS.

  (I've no idea whether upstart is the right package.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: upstart 1.12.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
  Uname: Linux 3.13.0-20-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Mar 31 06:31:13 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-03-11 (19 days ago)
  InstallationMedia: Ubuntu 14.04 LTS Trusty Tahr - Alpha amd64 (20140218)
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.13.0-20-generic 
root=UUID=63d5fa0d-9ba0-4641-bdfa-c45adfb938b5 ro quiet splash vt.handoff=7
  SourcePackage: upstart
  UpgradeStatus: No upgrade log present (probably fresh install)
  UpstartBugCategory: System
  UpstartRunningSessionVersion: init (upstart 1.12.1)
  UpstartRunningSystemVersion: init (upstart 1.12.1)

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[Kernel-packages] [Bug 1296659] Re: occasional kernel oops seen in trusty virtualbox VM

[James Hunt]

** Attachment added: virtualbox-kernel-oops.log
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1296659/+attachment/4040675/+files/virtualbox-kernel-oops.log

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Title:
  occasional kernel oops seen in trusty virtualbox VM

Status in “linux” package in Ubuntu:
  New

Bug description:
  Occasionally seen in Virtualbox VM.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-19-generic 3.13.0-19.39
  ProcVersionSignature: Ubuntu 3.13.0-19.39-generic 3.13.6
  Uname: Linux 3.13.0-19-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: i386
  CurrentDesktop: Unity
  Date: Mon Mar 24 10:58:45 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1250 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-19-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-19-generic N/A
   linux-backports-modules-3.13.0-19-generic  N/A
   linux-firmware 1.126
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (142 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1296659] Re: occasional kernel oops seen in trusty virtualbox VM

[James Hunt]

Simply booting a VM without 'quiet' and 'splash' shows the oops - I've
only noticed it a couple of times. Just tried 10 boots and didn't hit it
again though.

(Note that I cannot compare virtualbox's behaviour with kvm due to bug
1268906).

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Title:
  occasional kernel oops seen in trusty virtualbox VM

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Occasionally seen in Virtualbox VM.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-19-generic 3.13.0-19.39
  ProcVersionSignature: Ubuntu 3.13.0-19.39-generic 3.13.6
  Uname: Linux 3.13.0-19-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: i386
  CurrentDesktop: Unity
  Date: Mon Mar 24 10:58:45 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1250 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-19-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-19-generic N/A
   linux-backports-modules-3.13.0-19-generic  N/A
   linux-firmware 1.126
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (142 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1295112] [NEW] Unable to install 64-bit kernel on 64-bit-capable system installed with 32-bit userland+kernel

[James Hunt]

Public bug reported:

$ arch
i686
$ dpkg -l linux-generic
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name   Version  
Architecture Description
+++-==---==
ii  linux-generic  3.13.0.18.22 i386
 Complete Generic Linux kernel and headers
$ sudo dpkg --add-architecture amd64
$ sudo apt-get update
$ sudo apt-get install linux-generic:amd64
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies.
 linux-generic:amd64 : Depends: linux-headers-generic:amd64 (= 3.13.0.18.22) 
but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
$ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies.
 linux-headers-generic:amd64 : Depends: linux-headers-3.13.0-18-generic:amd64 
but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
$ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64 
linux-headers-3.13.0-18-generic:amd64
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies.
 linux-headers-3.13.0-18-generic:amd64 : Depends: linux-headers-3.13.0-18:amd64 
but it is not installable
E: Unable to correct problems, you have held broken packages.
$ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64 
linux-headers-3.13.0-18-generic:amd64 linux-headers-3.13.0-18:amd64
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Package linux-headers-3.13.0-18:amd64 is not available, but is referred to by 
another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'linux-headers-3.13.0-18:amd64' has no installation candidate
$

cjwatson identified the issue:

12:52:11 cjwatson the bug is that linux-headers-3.13.0-18 isn't Multi-
Arch: foreign fwiw

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-18-generic 3.13.0-18.38
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.13.3-0ubuntu1
Architecture: i386
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  james  3834 F pulseaudio
 /dev/snd/controlC0:  james  3834 F pulseaudio
 /dev/snd/pcmC0D0p:   james  3834 F...m pulseaudio
CurrentDesktop: Unity
Date: Thu Mar 20 12:52:29 2014
HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
InstallationDate: Installed on 2010-10-21 (1246 days ago)
InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
MachineType: LENOVO 2516CTO
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-18-generic N/A
 linux-backports-modules-3.13.0-18-generic  N/A
 linux-firmware 1.126
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-11-01 (138 days ago)
dmi.bios.date: 08/27/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET72WW (1.32 )
dmi.board.name: 2516CTO
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: 

[Kernel-packages] [Bug 1295112] Re: Unable to install 64-bit kernel on 64-bit-capable system installed with 32-bit userland+kernel

[James Hunt]

$ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64 
linux-headers-3.13.0-18-generic:amd64 linux-headers-3.13.0-18
Reading package lists... Done
Building dependency tree   
Reading state information... Done
linux-headers-3.13.0-18 is already the newest version.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies.
 linux-headers-3.13.0-18-generic:amd64 : Depends: linux-headers-3.13.0-18:amd64 
but it is not installable
E: Unable to correct problems, you have held broken packages.
$

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Title:
  Unable to install 64-bit kernel on 64-bit-capable system installed
  with 32-bit userland+kernel

Status in “linux” package in Ubuntu:
  New

Bug description:
  $ arch
  i686
  $ dpkg -l linux-generic
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name   Version  
Architecture Description
  
+++-==---==
  ii  linux-generic  3.13.0.18.22 i386  
   Complete Generic Linux kernel and headers
  $ sudo dpkg --add-architecture amd64
  $ sudo apt-get update
  $ sudo apt-get install linux-generic:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies.
   linux-generic:amd64 : Depends: linux-headers-generic:amd64 (= 3.13.0.18.22) 
but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  $ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies.
   linux-headers-generic:amd64 : Depends: linux-headers-3.13.0-18-generic:amd64 
but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  $ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64 
linux-headers-3.13.0-18-generic:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies.
   linux-headers-3.13.0-18-generic:amd64 : Depends: 
linux-headers-3.13.0-18:amd64 but it is not installable
  E: Unable to correct problems, you have held broken packages.
  $ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64 
linux-headers-3.13.0-18-generic:amd64 linux-headers-3.13.0-18:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Package linux-headers-3.13.0-18:amd64 is not available, but is referred to by 
another package.
  This may mean that the package is missing, has been obsoleted, or
  is only available from another source

  E: Package 'linux-headers-3.13.0-18:amd64' has no installation candidate
  $

  cjwatson identified the issue:

  12:52:11 cjwatson the bug is that linux-headers-3.13.0-18 isn't
  Multi-Arch: foreign fwiw

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-18-generic 3.13.0-18.38
  ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
  Uname: Linux 3.13.0-18-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  

[Kernel-packages] [Bug 1295112] Re: Unable to install 64-bit kernel on 64-bit-capable system installed with 32-bit userland+kernel

[James Hunt]

Yes:

$ sudo apt-get install linux-generic:amd64
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies.
 linux-generic:amd64 : Depends: linux-headers-generic:amd64 (= 3.13.0.18.22) 
but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
$ sudo apt-get install linux-image:amd64  
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Package linux-image:amd64 is a virtual package provided by:
  linux-image-3.13.0-18-lowlatency:amd64 3.13.0-18.38
  linux-image-3.13.0-18-generic:amd64 3.13.0-18.38
You should explicitly select one to install.

E: Package 'linux-image:amd64' has no installation candidate
$ sudo apt-get install linux-image-3.13.0-18-generic:amd64
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Suggested packages:
  fdutils:amd64 linux-doc-3.13.0:amd64 linux-source-3.13.0:amd64 
linux-tools:amd64 linux-headers-3.13.0-18-generic:amd64
The following packages will be REMOVED
  linux-generic linux-image linux-image-3.13.0-18-generic 
linux-image-extra-3.13.0-18-generic linux-image-generic linux-image-generic-pae 
linux-image-server
The following NEW packages will be installed
  linux-image-3.13.0-18-generic:amd64
0 to upgrade, 1 to newly install, 7 to remove and 11 not to upgrade.
Need to get 14,9 MB of archives.
After this operation, 104 MB disk space will be freed.

That last operation looks wrong as apt seems to want to remove my 32-bit
(??) kernel.

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Title:
  Unable to install 64-bit kernel on 64-bit-capable system installed
  with 32-bit userland+kernel

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  $ arch
  i686
  $ dpkg -l linux-generic
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name   Version  
Architecture Description
  
+++-==---==
  ii  linux-generic  3.13.0.18.22 i386  
   Complete Generic Linux kernel and headers
  $ sudo dpkg --add-architecture amd64
  $ sudo apt-get update
  $ sudo apt-get install linux-generic:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies.
   linux-generic:amd64 : Depends: linux-headers-generic:amd64 (= 3.13.0.18.22) 
but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  $ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies.
   linux-headers-generic:amd64 : Depends: linux-headers-3.13.0-18-generic:amd64 
but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  $ sudo apt-get install linux-generic:amd64 linux-headers-generic:amd64 
linux-headers-3.13.0-18-generic:amd64
  Reading package lists... Done
  Building dependency tree   
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies.
   linux-headers-3.13.0-18-generic:amd64 : Depends: 
linux-headers-3.13.0-18:amd64 but it 

[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Still a problem on 3.13.0-17-generic.

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Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 955287] Re: Ubuntu should handle hot CPUs by taking preemptive action and warning users

[James Hunt]

Hi Colin - thanks, yes running thermald has improved the situation
immensely! I do still very occasionally see overheats, although they are
extremely rare now and I suspect may be more related to my fans needing
a clean :-)

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Title:
  Ubuntu should handle hot CPUs by taking preemptive action and
  warning users

Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  If the kernel detects your CPU(s) is/are too hot currently (see bug
  751689), the kernel calls /sbin/poweroff. This will provide a
  graceful system shutdown. If /sbin/poweroff fails, the kernel just
  forcibly shuts the system down. However, both strategies are last
  resorts and are called when the system temperature has reached a
  critical level.

  However, the kernel seems to emit an ACPI event when it detects the
  CPU(s) are merely hot. I suggest we consider adding an acpi hook to
  attempt to avoid a critical scenario.

  Currently, the user experience when critical gets hit is not good -
  the system just shuts down with no warning whatsoever. This is
  alarming in the extreme to users.

  Ideas:

  - proactively attempt to kill off power hogging processes (use powertop?)
  - ramp fans to maximum and present the user with a warning window explaining 
what is happening.
  - present the user with a window of high-power processes and ask *them* to 
select the processes they'd like to kill off in an effort
to avoid a system shutdown.

  Problems:

  - it is unclear (to me atleast) how close (in terms of degrees
  centigrade) hot and critical are (is it different for all CPUs ?)
  As such, it is unclear how long (time) it might take for a system that
  is hot to go critical and just shutdown.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: acpi-support 0.140
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
  Uname: Linux 3.2.0-18-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  Date: Wed Mar 14 17:22:09 2012
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=fr_CA.UTF8
   SHELL=/bin/bash
  SourcePackage: acpi-support
  UpgradeStatus: Upgraded to precise on 2012-01-12 (62 days ago)
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  ArecordDevices:
    List of CAPTURE Hardware Devices 
   card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3788 F pulseaudio
   /dev/snd/controlC0:  james  3788 F pulseaudio
james 10267 F alsamixer
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf242 irq 45'
 Mixer name : 'Conexant CX20585'
 Components : 'HDA:14f15069,17aa214c,00100302 
HDA:14f12c06,17aa2122,0010'
 Controls  : 9
 Simple ctrls  : 6
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xcdefc000 irq 16'
 Mixer name : 'Nvidia GPU 0b HDMI/DP'
 Components : 'HDA:10de000b,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
6IHT37WW-1.12'
 Mixer name : 'ThinkPad EC 6IHT37WW-1.12'
 Components : ''
 Controls  : 1
 Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=fr_CA.UTF8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro acpi_sleep=nonvs 
console=ttyUSB0,115200n8r console=tty quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-18-generic-pae N/A
   linux-backports-modules-3.2.0-18-generic-pae  N/A
   linux-firmware1.71
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-18-generic-pae i686
  UpgradeStatus: Upgraded to precise on 2012-01-12 (62 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare sbuild
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  

[Kernel-packages] [Bug 1263140] Re: reboot does not terminate at computer shutdown

[James Hunt]

Please can those affected attach the requested logs in comment #3 ?

** Changed in: upstart (Ubuntu)
   Status: Confirmed = Incomplete

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Title:
  reboot does not terminate at computer shutdown

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 13.10

  Shutdown and rebbot whether via terminal or GUI buttons hangs and does
  not shut off power on my PC.  I have to hold down the power button to
  do full power off,

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: upstart 1.10-0ubuntu7
  Uname: Linux 3.12.0-031200-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Thu Dec 19 13:45:25 2013
  ExecutablePath: /sbin/reboot
  InstallationDate: Installed on 2013-10-19 (61 days ago)
  InstallationMedia: Ubuntu 13.10 Saucy Salamander - Release amd64 
(20131016.1)
  MarkForUpload: True
  OmitPids: 1130 941 755 11955 732 713 699 12012 819 719 12041 755 11955 732 
713 699 12012 819 719
  ProcCmdline: /sbin/poweroff
  ProcEnviron:
   
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.12.0-031200-generic 
root=UUID=99ee33d3-3574-42e4-9b82-5f0f954cfc69 ro quiet splash acpi=force 
vt.handoff=7
  SourcePackage: upstart
  Title: reboot does not terminate at computer shutdown
  UpgradeStatus: No upgrade log present (probably fresh install)
  UpstartBugCategory: System
  UpstartRunningSystemVersion: init (upstart 1.10)
  modified.conffile..etc.default.whoopsie: [modified]
  mtime.conffile..etc.default.whoopsie: 2013-10-22T11:31:34.550082

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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

I think the switch to 3.13 may have borked kvm for me. I'll try to
confirm that tomorrow...

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Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1274143] Re: kernel backtrace triggered by rt2800usb driver

[James Hunt]

Hi Joseph - see dmesg.txt.gz for the stack traces. I cannot recreate
this issue on demand I'm afraid and have not see it since raising this
bug.

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Title:
  kernel backtrace triggered by rt2800usb driver

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Issue occurred when using a WiPi USB adapter (wlan1).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-5-generic 3.13.0-5.20
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3768 F pulseaudio
   /dev/snd/controlC0:  james  3768 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3768 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jan 29 14:56:07 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1196 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-5-generic N/A
   linux-backports-modules-3.13.0-5-generic  N/A
   linux-firmware1.122
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (88 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1274143] Re: kernel backtrace triggered by rt2800usb driver

[James Hunt]

** Attachment added: sudo lshw -c network
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1274143/+attachment/3961769/+files/lsusb_-c_network.txt

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Title:
  kernel backtrace triggered by rt2800usb driver

Status in “linux” package in Ubuntu:
  New

Bug description:
  Issue occurred when using a WiPi USB adapter (wlan1).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-5-generic 3.13.0-5.20
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3768 F pulseaudio
   /dev/snd/controlC0:  james  3768 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3768 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jan 29 14:56:07 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1196 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-5-generic N/A
   linux-backports-modules-3.13.0-5-generic  N/A
   linux-firmware1.122
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (88 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1274143] [NEW] kernel backtrace triggered by rt2800usb driver

[James Hunt]

Public bug reported:

Issue occurred when using a WiPi USB adapter (wlan1).

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-5-generic 3.13.0-5.20
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.13.2-0ubuntu2
Architecture: i386
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  james  3768 F pulseaudio
 /dev/snd/controlC0:  james  3768 F pulseaudio
 /dev/snd/pcmC0D0p:   james  3768 F...m pulseaudio
CurrentDesktop: Unity
Date: Wed Jan 29 14:56:07 2014
HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
InstallationDate: Installed on 2010-10-21 (1196 days ago)
InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
MachineType: LENOVO 2516CTO
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-5-generic N/A
 linux-backports-modules-3.13.0-5-generic  N/A
 linux-firmware1.122
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-11-01 (88 days ago)
dmi.bios.date: 08/27/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET72WW (1.32 )
dmi.board.name: 2516CTO
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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2516CTO
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO

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


** Tags: apport-bug i386 trusty

** Attachment added: dmesg.txt.gz
   
https://bugs.launchpad.net/bugs/1274143/+attachment/3961751/+files/dmesg.txt.gz

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https://bugs.launchpad.net/bugs/1274143

Title:
  kernel backtrace triggered by rt2800usb driver

Status in “linux” package in Ubuntu:
  New

Bug description:
  Issue occurred when using a WiPi USB adapter (wlan1).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-5-generic 3.13.0-5.20
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3768 F pulseaudio
   /dev/snd/controlC0:  james  3768 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3768 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jan 29 14:56:07 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1196 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash 
intel_pstate=enable
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-5-generic N/A
   linux-backports-modules-3.13.0-5-generic  N/A
   linux-firmware1.122
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (88 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Serge has just identified that the trigger for this bug is running kvm
with '-net user': without this option, no issues.

** Changed in: qemu-kvm (Ubuntu)
   Status: New = Confirmed

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Latest series of oopses running on a fully updated trusty system.

** Attachment added: dmesg.txt
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268906/+attachment/3958887/+files/dmesg.txt

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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268906/+subscriptions

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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Same problem running with -vnc :7

** Attachment added: dmesg.txt
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268906/+attachment/395/+files/dmesg.txt

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

To be clear, my host system is a 64-bit capable first-gen i7, but is
actually running fully 32-bit.

-- 
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/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268906/+subscriptions

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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Latest trusty desktop image (dated 24 Jan) results in the oops when
running with kvm as:

$ kvm --enable-kvm -cdrom ubuntu_trusty-desktop-i386.iso -boot d -m 1024

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268906/+subscriptions

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[Kernel-packages] [Bug 1256949] Re: Dell Latitude E5420 doesn't boot if killswitch is turned to radio off

[James Hunt]

Sounds like the original driver had caused the kernel to become totally
unresponsive.  Glad the problem has been resolved for you.

Please could you attach the output of sudo lshw -c network to this bug
so we can see the details of your broadcom wireless card?

Thanks!

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Title:
  Dell Latitude E5420 doesn't boot if killswitch is turned to radio
  off

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.04.3, Dell E5420.
  Boots fine with killswitch to radio on.

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[Kernel-packages] [Bug 1269717] Re: shutdown now does not shutdown

[James Hunt]

This sounds like a kernel issue relating to your hardware.

** Package changed: upstart (Ubuntu) = linux (Ubuntu)

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Title:
  shutdown now does not shutdown

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  when typing in sudo shutdown now in a terminal, instead of shutting
  down, the computer shows a root prompt and never shuts down.

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[Kernel-packages] [Bug 1268880] Re: unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module

[James Hunt]

Still a problem with 3.13.0-5-generic.

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Title:
  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi  69003  1 
  nvram  14027  1 thinkpad_acpi
  snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3261 F pulseaudio
   /dev/snd/controlC0:  james  3261 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

dmesg from 3.13.0-5-generic kernel.

** Attachment added: dmesg.3.13.0-5-generic
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268906/+attachment/3954151/+files/dmesg.3.13.0-5-generic

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Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  New

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1256949] Re: Dell Latitude E5420 doesn't boot if killswitch is turned to radio off

[James Hunt]

At this point, I'd suggest temporarily disabling the network-manager
upstart job (which will of course disable networking):

echo manual | sudo tee /etc/init/network-manager.override

Does this give a reliable boot? To undo this change simply delete the
override file:

sudo rm  /etc/init/network-manager.override

Also, what is the contents of your modules file?:

$ cat /etc/modules

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Title:
  Dell Latitude E5420 doesn't boot if killswitch is turned to radio
  off

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.04.3, Dell E5420.
  Boots fine with killswitch to radio on.

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[Kernel-packages] [Bug 1263738] Re: login console 0 in user namespace container is not configured right

[James Hunt]

@Serge - perfectly happy to change that, in fact...

@Stéphane - could you review and test lp:~jamesodhunt/upstart/kmsg-
noctty? Thanks!

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Title:
  login console 0 in user namespace container is not configured right

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Confirmed
Status in “lxc” package in Ubuntu:
  Triaged
Status in “linux” source package in Trusty:
  Confirmed
Status in “lxc” source package in Trusty:
  Triaged

Bug description:
  When you create a container in a private user namespace, when you start the
  container without the '-d' flag, that console is not properly set up.  
Logging in
  gives you

  -bash: no job control in this shell

  and hitting ctrl-c reboots the container.

  Consoles from 'lxc-console -n $container' behave correctly.

  This may be a kernel issue, as discussed here:

  http://lists.linuxcontainers.org/pipermail/lxc-
  devel/2013-October/005843.html

  so also marking this as affecting the kernel.

  This can be worked around, but really needs to be fixed before trusty
  is frozen.

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[Kernel-packages] [Bug 1256949] Re: Dell Latitude E5420 doesn't boot if killswitch is turned to radio off

[James Hunt]

@meamy: Please can you try booting again with --debug - your attachment
in #14 looks like you booted with --verbose instead?

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Title:
  Dell Latitude E5420 doesn't boot if killswitch is turned to radio
  off

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.04.3, Dell E5420.
  Boots fine with killswitch to radio on.

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[Kernel-packages] [Bug 1256949] Re: Dell Latitude E5420 doesn't boot if killswitch is turned to radio off

[James Hunt]

Other things to try...

When the system freezes:

1) Can you still toggle the caps-lock light by pressing the caps-lock key?
2) Can you reboot by holding down *all* of the following keys combos (do all of 
them):
alt + sysrq + s
alt + sysrq + u
alt + sysrq + b


Also, would it be possible to try re-installing with a 13.10 / 14.04 image to 
see if the behaviour is different?

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Title:
  Dell Latitude E5420 doesn't boot if killswitch is turned to radio
  off

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.04.3, Dell E5420.
  Boots fine with killswitch to radio on.

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[Kernel-packages] [Bug 1263738] Re: login console 0 in user namespace container is not configured right

[James Hunt]

** Changed in: upstart
 Assignee: (unassigned) = James Hunt (jamesodhunt)

** Changed in: upstart
   Status: New = Fix Committed

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

** Changed in: upstart (Ubuntu Trusty)
   Status: New = Confirmed

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Title:
  login console 0 in user namespace container is not configured right

Status in Upstart:
  Fix Committed
Status in “linux” package in Ubuntu:
  Confirmed
Status in “lxc” package in Ubuntu:
  Triaged
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Trusty:
  Confirmed
Status in “lxc” source package in Trusty:
  Triaged
Status in “upstart” source package in Trusty:
  Confirmed

Bug description:
  When you create a container in a private user namespace, when you start the
  container without the '-d' flag, that console is not properly set up.  
Logging in
  gives you

  -bash: no job control in this shell

  and hitting ctrl-c reboots the container.

  Consoles from 'lxc-console -n $container' behave correctly.

  This may be a kernel issue, as discussed here:

  http://lists.linuxcontainers.org/pipermail/lxc-
  devel/2013-October/005843.html

  so also marking this as affecting the kernel.

  This can be worked around, but really needs to be fixed before trusty
  is frozen.

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[Kernel-packages] [Bug 1268880] Re: unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module

[James Hunt]

Still a problem with 3.13.0-4-generic.

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Title:
  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi  69003  1 
  nvram  14027  1 thinkpad_acpi
  snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3261 F pulseaudio
   /dev/snd/controlC0:  james  3261 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1263738] Re: login console 0 in user namespace container is not configured right

[James Hunt]

 I haven't been able to find where in upstart this is happening, but on the 
 kernel side I can tell that it's due to an open() without
 O_NOCTTY. 

Upstart does not open /dev/console without O_NOCTTY afaics. Are you sure
your kernel debug is showing pid 1 is doing this?

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Title:
  login console 0 in user namespace container is not configured right

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Confirmed
Status in “lxc” package in Ubuntu:
  Triaged
Status in “linux” source package in Trusty:
  Confirmed
Status in “lxc” source package in Trusty:
  Triaged

Bug description:
  When you create a container in a private user namespace, when you start the
  container without the '-d' flag, that console is not properly set up.  
Logging in
  gives you

  -bash: no job control in this shell

  and hitting ctrl-c reboots the container.

  Consoles from 'lxc-console -n $container' behave correctly.

  This may be a kernel issue, as discussed here:

  http://lists.linuxcontainers.org/pipermail/lxc-
  devel/2013-October/005843.html

  so also marking this as affecting the kernel.

  This can be worked around, but really needs to be fixed before trusty
  is frozen.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 955287] Re: Ubuntu should handle hot CPUs by taking preemptive action and warning users

[James Hunt]

Hi Colin - thanks, I'm now running thermald but cannot really stress my
system due to o/s bug 1268906 (kvm always makes it overheat unless fans
are disengaged. That is currently not possible on my T410 btw due to bug
1268880 - will that impact thermald's abilities?

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Title:
  Ubuntu should handle hot CPUs by taking preemptive action and
  warning users

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  If the kernel detects your CPU(s) is/are too hot currently (see bug
  751689), the kernel calls /sbin/poweroff. This will provide a
  graceful system shutdown. If /sbin/poweroff fails, the kernel just
  forcibly shuts the system down. However, both strategies are last
  resorts and are called when the system temperature has reached a
  critical level.

  However, the kernel seems to emit an ACPI event when it detects the
  CPU(s) are merely hot. I suggest we consider adding an acpi hook to
  attempt to avoid a critical scenario.

  Currently, the user experience when critical gets hit is not good -
  the system just shuts down with no warning whatsoever. This is
  alarming in the extreme to users.

  Ideas:

  - proactively attempt to kill off power hogging processes (use powertop?)
  - ramp fans to maximum and present the user with a warning window explaining 
what is happening.
  - present the user with a window of high-power processes and ask *them* to 
select the processes they'd like to kill off in an effort
to avoid a system shutdown.

  Problems:

  - it is unclear (to me atleast) how close (in terms of degrees
  centigrade) hot and critical are (is it different for all CPUs ?)
  As such, it is unclear how long (time) it might take for a system that
  is hot to go critical and just shutdown.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: acpi-support 0.140
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
  Uname: Linux 3.2.0-18-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  Date: Wed Mar 14 17:22:09 2012
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=fr_CA.UTF8
   SHELL=/bin/bash
  SourcePackage: acpi-support
  UpgradeStatus: Upgraded to precise on 2012-01-12 (62 days ago)
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  ArecordDevices:
    List of CAPTURE Hardware Devices 
   card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3788 F pulseaudio
   /dev/snd/controlC0:  james  3788 F pulseaudio
james 10267 F alsamixer
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf242 irq 45'
 Mixer name : 'Conexant CX20585'
 Components : 'HDA:14f15069,17aa214c,00100302 
HDA:14f12c06,17aa2122,0010'
 Controls  : 9
 Simple ctrls  : 6
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xcdefc000 irq 16'
 Mixer name : 'Nvidia GPU 0b HDMI/DP'
 Components : 'HDA:10de000b,10de0101,00100100'
 Controls  : 24
 Simple ctrls  : 4
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
6IHT37WW-1.12'
 Mixer name : 'ThinkPad EC 6IHT37WW-1.12'
 Components : ''
 Controls  : 1
 Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
 Capabilities: pswitch pswitch-joined penum
 Playback channels: Mono
 Mono: Playback [on]
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=fr_CA.UTF8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro acpi_sleep=nonvs 
console=ttyUSB0,115200n8r console=tty quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-18-generic-pae N/A
   linux-backports-modules-3.2.0-18-generic-pae  N/A
   linux-firmware1.71
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-18-generic-pae i686
  UpgradeStatus: Upgraded to precise on 2012-01-12 (62 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare sbuild
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  

[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Same problem with 3.13.0-4-generic.

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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  New

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268880] Re: unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module

[James Hunt]

Problem still present with 3.13.0-031300rc8-generic kernel. Note that
with that kernel I get the following message at boot time:

tpm_tis 00:09: A TPM error (6) occurred attempting to read a pcr value

-- 
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Title:
  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi  69003  1 
  nvram  14027  1 thinkpad_acpi
  snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3261 F pulseaudio
   /dev/snd/controlC0:  james  3261 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

Alas, same issue using kernel 3.13.0-031300rc8-generic.


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

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  New
Status in “qemu-kvm” package in Ubuntu:
  New

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268880] Re: unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module

[James Hunt]

Regression seems to have been introduced in 3.13. I've tested with a few
kernels and narrowed it to:

3.13.0-1-generic: BAD

3.11.0-2-generic : OK

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1268880

Title:
  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi  69003  1 
  nvram  14027  1 thinkpad_acpi
  snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3261 F pulseaudio
   /dev/snd/controlC0:  james  3261 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1268880] Re: unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module

[James Hunt]

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

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1268880

Title:
  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi  69003  1 
  nvram  14027  1 thinkpad_acpi
  snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3261 F pulseaudio
   /dev/snd/controlC0:  james  3261 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268880/+subscriptions

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[Kernel-packages] [Bug 1268880] [NEW] unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module

[James Hunt]

Public bug reported:

I recently pressed the physical microphone mute button on my Lenovo
T410. However, I am now unable to unmute it. The orange light next to
the mic mute button comes on when the kernel boots, but pressing it has
no effect.

Possibly related to this, I am now unable to unload the thinkpad_acpi
kernel module (required to run the fan in disengaged mode to work around
the long-standing bug 751689) as it seems to be permanently hooked into
the sound drivers:

$ sudo modprobe -r thinkpad_acpi
modprobe: FATAL: Module thinkpad_acpi is in use.
$ sudo lsmod|grep thinkpad_acpi
thinkpad_acpi  69003  1 
nvram  14027  1 thinkpad_acpi
snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
$ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
modprobe: FATAL: Module thinkpad_acpi is in use.
$

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-2-generic 3.13.0-2.17
ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
Uname: Linux 3.13.0-2-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.13.1-0ubuntu1
Architecture: i386
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  james  3261 F pulseaudio
 /dev/snd/controlC0:  james  3261 F pulseaudio
 /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
CurrentDesktop: Unity
Date: Tue Jan 14 08:52:57 2014
HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
InstallationDate: Installed on 2010-10-21 (1181 days ago)
InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
MachineType: LENOVO 2516CTO
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-2-generic N/A
 linux-backports-modules-3.13.0-2-generic  N/A
 linux-firmware1.121
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
dmi.bios.date: 08/27/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET72WW (1.32 )
dmi.board.name: 2516CTO
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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2516CTO
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO

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


** Tags: apport-bug i386 trusty

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Title:
  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:
  New

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi  69003  1 
  nvram  14027  1 thinkpad_acpi
  snd60871  23 
snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi 
snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel 
thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3261 F pulseaudio
   /dev/snd/controlC0:  james  3261 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: 

[Kernel-packages] [Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

See CurrentDmesg.txt for lots of errors such as:

[ 1688.474887] Call Trace:
[ 1688.474914]  [f8bae0f3] kvm_vcpu_ioctl+0x433/0x4d0 [kvm]
[ 1688.474924]  [c108064f] ? wake_up_state+0xf/0x20
[ 1688.474931]  [c10b9795] ? wake_futex+0x65/0x90
[ 1688.474937]  [c10babed] ? futex_wake+0x13d/0x160
[ 1688.474942]  [c10bbe4b] ? do_futex+0xeb/0x660
[ 1688.474966]  [f8badcc0] ? vcpu_put+0x30/0x30 [kvm]
[ 1688.474972]  [c1186012] do_vfs_ioctl+0x2e2/0x4d0
[ 1688.474977]  [c10b7819] ? tick_program_event+0x29/0x30
[ 1688.474983]  [c1075eb2] ? hrtimer_interrupt+0x142/0x2b0
[ 1688.474988]  [c10bc44c] ? SyS_futex+0x8c/0x140
[ 1688.474993]  [c1186260] SyS_ioctl+0x60/0x80
[ 1688.475002]  [c1646147] syscall_call+0x7/0xb
[ 1688.475009]  [c164] ? __ticket_unlock_slowpath+0x13/0x31

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

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Title:
  cpu soft lockup running kvm

Status in “linux” package in Ubuntu:
  New
Status in “qemu-kvm” package in Ubuntu:
  New

Bug description:
  Ran twice - first time running kvm killed my system. The second time,
  I just got lots of kernel oops messages in dmesg.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  james  3250 F pulseaudio
   /dev/snd/controlC0:  james  3250 F pulseaudio
   /dev/snd/pcmC0D0p:   james  3250 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 10:29:20 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 Maverick Meerkat - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic 
root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  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:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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[Kernel-packages] [Bug 1263140] Re: reboot does not terminate at computer shutdown

[James Hunt]

Thanks for reporting this issue. It sounds like a kernel issue. Also, it
looks like you are running a custom kernel?

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

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Title:
  reboot does not terminate at computer shutdown

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  New

Bug description:
  Ubuntu 13.10

  Shutdown and rebbot whether via terminal or GUI buttons hangs and does
  not shut off power on my PC.  I have to hold down the power button to
  do full power off,

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: upstart 1.10-0ubuntu7
  Uname: Linux 3.12.0-031200-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Thu Dec 19 13:45:25 2013
  ExecutablePath: /sbin/reboot
  InstallationDate: Installed on 2013-10-19 (61 days ago)
  InstallationMedia: Ubuntu 13.10 Saucy Salamander - Release amd64 
(20131016.1)
  MarkForUpload: True
  OmitPids: 1130 941 755 11955 732 713 699 12012 819 719 12041 755 11955 732 
713 699 12012 819 719
  ProcCmdline: /sbin/poweroff
  ProcEnviron:
   
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.12.0-031200-generic 
root=UUID=99ee33d3-3574-42e4-9b82-5f0f954cfc69 ro quiet splash acpi=force 
vt.handoff=7
  SourcePackage: upstart
  Title: reboot does not terminate at computer shutdown
  UpgradeStatus: No upgrade log present (probably fresh install)
  UpstartBugCategory: System
  UpstartRunningSystemVersion: init (upstart 1.10)
  modified.conffile..etc.default.whoopsie: [modified]
  mtime.conffile..etc.default.whoopsie: 2013-10-22T11:31:34.550082

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[Kernel-packages] [Bug 1256949] Re: Dell Latitude E5420 doesn't boot if killswitch is turned to radio off

[James Hunt]

@meamy - ok, I am starting to suspect this is either a kernel or
graphics card issue. Adding linux to bug.

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

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Title:
  Dell Latitude E5420 doesn't boot if killswitch is turned to radio
  off

Status in “linux” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 12.04.3, Dell E5420.
  Boots fine with killswitch to radio on.

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

** Changed in: upstart
 Assignee: (unassigned) = James Hunt (jamesodhunt)

** Changed in: upstart
   Status: New = Fix Committed

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  Fix Committed
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  In Progress
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  Confirmed
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

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[Kernel-packages] [Bug 1247769] Re: kernel headers do not define OVERLAYFS_SUPER_MAGIC

[James Hunt]

Hi Joseph,

Due to the headaches introduced by bug 882147 (which effectively
guarantees that tests will fail erroneously), we are changing the
Upstart tests to detect a /tmp overlayfs filesystem and display a
warning. One approach is to make use of OVERLAYFS_SUPER_MAGIC to check
/tmp. See below for the discussion:

https://code.launchpad.net/~jamesodhunt/upstart/check-for-
overlayfs/+merge/191393

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Title:
  kernel headers do not define OVERLAYFS_SUPER_MAGIC

Status in “linux” package in Ubuntu:
  In Progress
Status in “linux” source package in Precise:
  In Progress
Status in “linux” source package in Quantal:
  In Progress
Status in “linux” source package in Raring:
  In Progress
Status in “linux” source package in Saucy:
  In Progress
Status in “linux” source package in Trusty:
  In Progress

Bug description:
  Include file /usr/include/linux/magic.h is missing the following:

  #define OVERLAYFS_SUPER_MAGIC 0x794c764f

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[Kernel-packages] [Bug 1247769] [NEW] kernel headers do not define OVERLAYFS_SUPER_MAGIC

[James Hunt]

Public bug reported:

Include file /usr/include/linux/magic.h is missing the following:

#define OVERLAYFS_SUPER_MAGIC 0x794c764f

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

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Title:
  kernel headers do not define OVERLAYFS_SUPER_MAGIC

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Include file /usr/include/linux/magic.h is missing the following:

  #define OVERLAYFS_SUPER_MAGIC 0x794c764f

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[Kernel-packages] [Bug 1244312] Re: [regression 13.10] Can't reboot (but can shut down)

[James Hunt]

@Rebecca: yes, but the man page is referring to bugs in the reboot
command. That commands calls the reboot system call and that is where
the problem lies (in the kernel).

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Title:
  [regression 13.10] Can't reboot (but can shut down)

Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  New

Bug description:
  Since upgrading to 13.10, attempting to restart (with either shutdown
  -r now or the system menu item) hangs with a reboot: restarting
  system message instead of actually rebooting, but shutting down still
  turns the system off.

  WORKAROUND: adding reboot=p to the kernel command line
  (https://wiki.ubuntu.com/Kernel/KernelBootParameters) avoids this bug.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: upstart 1.10-0ubuntu7
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  Date: Thu Oct 24 17:25:08 2013
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-01-25 (637 days ago)
  InstallationMedia: Ubuntu 11.10 Oneiric Ocelot - Release amd64 (20111012)
  MarkForUpload: True
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic 
root=UUID=b491a34a-6045-4ad4-a2b8-b9ca018c5d41 ro quiet splash
  SourcePackage: upstart
  UpgradeStatus: Upgraded to saucy on 2013-10-21 (2 days ago)
  UpstartBugCategory: System
  UpstartRunningSessionVersion: init (upstart 1.10)
  UpstartRunningSystemVersion: init (upstart 1.10)
  modified.conffile..etc.at.deny: [inaccessible: [Errno 13] Permission denied: 
'/etc/at.deny']
  modified.conffile..etc.init.d.networking: [modified]
  mtime.conffile..etc.init.d.networking: 2013-08-26T23:19:11
  --- 
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  palmer 2534 F pulseaudio
   /dev/snd/controlC0:  palmer 2534 F pulseaudio
   /dev/snd/pcmC0D0p:   palmer 2534 F...m pulseaudio
  DistroRelease: Ubuntu 13.10
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-01-25 (638 days ago)
  InstallationMedia: Ubuntu 11.10 Oneiric Ocelot - Release amd64 (20111012)
  MachineType: Dell Inc. Latitude E6520
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic 
root=UUID=b491a34a-6045-4ad4-a2b8-b9ca018c5d41 ro quiet splash
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware 1.116
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic x86_64
  UpgradeStatus: Upgraded to saucy on 2013-10-21 (3 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 10/18/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0J4TFW
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA08:bd10/18/2011:svnDellInc.:pnLatitudeE6520:pvr01:rvnDellInc.:rn0J4TFW:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6520
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  --- 
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC1:  palmer 2534 F pulseaudio
   /dev/snd/controlC0:  palmer 2534 F pulseaudio
  DistroRelease: Ubuntu 13.10
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-01-25 (638 days ago)
  InstallationMedia: Ubuntu 11.10 Oneiric Ocelot - Release amd64 (20111012)
  MachineType: Dell Inc. Latitude E6520
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic 
root=UUID=b491a34a-6045-4ad4-a2b8-b9ca018c5d41 ro quiet splash
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware 1.116
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic x86_64
  UpgradeStatus: Upgraded to saucy on 2013-10-21 (3 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 10/18/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0J4TFW
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA08:bd10/18/2011:svnDellInc.:pnLatitudeE6520:pvr01:rvnDellInc.:rn0J4TFW:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: 

[Kernel-packages] [Bug 1244312] Re: [regression 13.10] Can't reboot (but can shut down)

[James Hunt]

Hi Rebecca,

Thanks for reporting this. The screenshot shows this to be a kernel
issue, not an Upstart one. Reassigning...

** Package changed: upstart (Ubuntu) = linux (Ubuntu)

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Title:
  [regression 13.10] Can't reboot (but can shut down)

Status in “linux” package in Ubuntu:
  New

Bug description:
  Since upgrading to 13.10, attempting to restart (with either shutdown
  -r now or the system menu item) hangs with a reboot: restarting
  system message instead of actually rebooting, but shutting down still
  turns the system off.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: upstart 1.10-0ubuntu7
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  Date: Thu Oct 24 17:25:08 2013
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-01-25 (637 days ago)
  InstallationMedia: Ubuntu 11.10 Oneiric Ocelot - Release amd64 (20111012)
  MarkForUpload: True
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic 
root=UUID=b491a34a-6045-4ad4-a2b8-b9ca018c5d41 ro quiet splash
  SourcePackage: upstart
  UpgradeStatus: Upgraded to saucy on 2013-10-21 (2 days ago)
  UpstartBugCategory: System
  UpstartRunningSessionVersion: init (upstart 1.10)
  UpstartRunningSystemVersion: init (upstart 1.10)
  modified.conffile..etc.at.deny: [inaccessible: [Errno 13] Permission denied: 
'/etc/at.deny']
  modified.conffile..etc.init.d.networking: [modified]
  mtime.conffile..etc.init.d.networking: 2013-08-26T23:19:11

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

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

** Changed in: upstart (Ubuntu)
   Status: Incomplete = In Progress

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  In Progress
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

We already have bug 1203595 for having the Session Init connect to the
D-Bus session bus.

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

FWICS D-Bus is behaving as designed: since the client has not called
dbus_connection_set_wakeup_main_function(), and since D-Bus messaging is
reliable, all libdbus is able to do when a signal is sent to a
connection is cache any messages the client has not yet processed in the
hope that at some future point it might consume them.

The key part of the D-Bus code that explains this is
dbus_connection_send_preallocated_unlocked_no_update():

--

  /* Now we need to run an iteration to hopefully just write the messages
   * out immediately, and otherwise get them queued up
   */  
  _dbus_connection_do_iteration_unlocked (connection,
  NULL,  
  DBUS_ITERATION_DO_WRITING, 
  -1);   

  /* If stuff is still queued up, be sure we wake up the main loop */
  if (connection-n_outgoing  0)
_dbus_connection_wakeup_mainloop (connection);

--

As shown, the messages (signals in the case of Upstart) are added to the client 
connection queue, but since the client called
dbus_connection_open() rather than nih_dbus_connect(), no mainloop handler is 
registered to allow the client to deal with the signals sent to it.

From the upstart perspective, a fix is to call 
dbus_connection_has_messages_to_send() and ignore that connection if the
client still has unprocessed messages (patch attached).

From the D-Bus perspective, it would be useful to introduce a new public
API:

dbus_bool_t
dbus_connection_has_wakeup_main_function (DBusConnection *connection);

This would allow Upstart and other D-Bus server applications to detect
erroneous client connections.


** Patch added: bug-1235649.diff
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3879222/+files/bug-1235649.diff

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

TBC, using the patch on #69 results in no memory bloat.

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Hi Steve,

The trace in #59 was produced by:

- Running Upstart via valgrind which upstart linked against debug builds of nih 
and dbus.
- Running a single instance of the test program (#51).
- Running spam.sh (#52).
- Waiting until init was consuming ~200MB, then sending SIGTERM to the 
init/valgrind process.

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Another valgrind log taken using the same precedure as above. However,
this time I waited until the init process was consuming over 2GB of RAM.
Top showed:


  PID USER  PR  NI  VIRT  RES  SHR S  %CPU %MEMTIME+  COMMAND
15329 james 20   0 2463m 2,0g  12m R 100,0 26,1   6:51.59 memcheck-x86-li

Once again, the biggest offender by a huge margin is dbus:


==15329== 1,153,679,208 bytes in 12,025 blocks are still reachable in loss 
record 208 of 208
==15329==at 0x402BB88: realloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==15329==by 0x408E778: dbus_realloc (dbus-memory.c:678)
==15329==by 0x408F08C: reallocate_for_length (dbus-string.c:349)
==15329==by 0x408F12B: set_length (dbus-string.c:390)
==15329==by 0x408F1A9: open_gap (dbus-string.c:411)
==15329==by 0x408FA67: copy (dbus-string.c:1198)
==15329==by 0x408FCCE: _dbus_string_copy_len (dbus-string.c:1368)
==15329==by 0x408DCF8: marshal_len_followed_by_bytes 
(dbus-marshal-basic.c:726)
==15329==by 0x408DD95: marshal_string (dbus-marshal-basic.c:758)
==15329==by 0x408DF60: _dbus_marshal_write_basic (dbus-marshal-basic.c:840)
==15329==by 0x4075CD7: _dbus_type_writer_write_basic_no_typecode 
(dbus-marshal-recursive.c:1601)
==15329==by 0x40768BB: _dbus_type_writer_write_basic 
(dbus-marshal-recursive.c:2323)
==15329==
==15329== LEAK SUMMARY:
==15329==definitely lost: 28 bytes in 1 blocks
==15329==indirectly lost: 24 bytes in 1 blocks
==15329==  possibly lost: 133,265 bytes in 315 blocks
==15329==still reachable: 1,154,753,166 bytes in 18,194 blocks
==15329== suppressed: 0 bytes in 0 blocks



** Attachment added: vg-20131015.log.gz
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3878397/+files/vg-20131015.log.gz

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

** Attachment added: spam_dbus_server.sh
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3878665/+files/spam_dbus_server.sh

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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

** Attachment added: test_nih_dbus_client.c
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3878664/+files/test_nih_dbus_client.c

-- 
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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

I can now recreate the memory bloat using a basic NIH D-Bus server
program and associated client program.

1) Run the server as:

$ ./test_nih_dbus_server unix:abstract=/com/hunt/james/foo
com.hunt.james.Foo /com/hunt/james/Foo

2) Run the client as:

$ ./test_nih_dbus_client unix:abstract=/com/hunt/james/foo
com.hunt.james.Foo

3) Run the updated spammer as:

$ ./spam_dbus_server.sh

4) Run top and watch the memory used by test_nih_dbus_server creep up.

The problem seems to be caused by the call to notify_clients() - this
sends a signal to every connected client every time the
spam_dbus_server.sh sends its data to the server. Commenting out the
call to notify_clients() stop the memory bloating issue.

The function echo_handled() that is called by notify_clients() is
analogous to control_emit_event_emitted() in Upstart parlance.

Again, running valgrind on the server shows the same stack traces as
above:

==30015== 91,750,175 bytes in 7,617 blocks are still reachable in loss record 
164 of 164
==30015==at 0x402BB88: realloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==30015==by 0x408E778: dbus_realloc (dbus-memory.c:678)
==30015==by 0x408F08C: reallocate_for_length (dbus-string.c:349)
==30015==by 0x408F12B: set_length (dbus-string.c:390)
==30015==by 0x408F1A9: open_gap (dbus-string.c:411)
==30015==by 0x408FA67: copy (dbus-string.c:1198)
==30015==by 0x408FCCE: _dbus_string_copy_len (dbus-string.c:1368)
==30015==by 0x408DCF8: marshal_len_followed_by_bytes 
(dbus-marshal-basic.c:726)
==30015==by 0x408DD95: marshal_string (dbus-marshal-basic.c:758)
==30015==by 0x408DF60: _dbus_marshal_write_basic (dbus-marshal-basic.c:840)
==30015==by 0x4075CD7: _dbus_type_writer_write_basic_no_typecode 
(dbus-marshal-recursive.c:1601)
==30015==by 0x40768BB: _dbus_type_writer_write_basic 
(dbus-marshal-recursive.c:2323)


** Attachment added: test_nih_dbus_server.c
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3878663/+files/test_nih_dbus_server.c

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Valgrind log from test_nih_dbus_server.c run using 'valgrind --num-
callers=100 ...'.

** Attachment added: vg-test_nih_dbus_server.log.gz
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3878682/+files/vg-test_nih_dbus_server.log.gz

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  Invalid
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  Invalid
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Just got a much more interesting valgrind run. Juicy excerpt:

==9366== 147,560 bytes in 1,190 blocks are still reachable in loss record 187 
of 188
==9366==at 0x402B965: calloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==9366==by 0x408E730: dbus_malloc0 (dbus-memory.c:572)
==9366==by 0x407983B: dbus_message_new_empty_header (dbus-message.c:1153)
==9366==by 0x4079D0F: dbus_message_new_method_return (dbus-message.c:1319)
==9366==by 0x80835F5: control_emit_event_reply (com.ubuntu.Upstart.c:2098)
==9366==by 0x806BC6C: event_finished (event.c:501)
==9366==by 0x806B26F: event_poll (event.c:259)
==9366==by 0x4044B63: nih_main_loop (main.c:609)
==9366==by 0x804D507: main (main.c:688)
==9366==
==9366== 228,394,752 bytes in 2,386 blocks are still reachable in loss record 
188 of 188
==9366==at 0x402BB88: realloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==9366==by 0x408E778: dbus_realloc (dbus-memory.c:678)
==9366==by 0x408F08C: reallocate_for_length (dbus-string.c:349)
==9366==by 0x408F12B: set_length (dbus-string.c:390)
==9366==by 0x408F1A9: open_gap (dbus-string.c:411)
==9366==by 0x408FA67: copy (dbus-string.c:1198)
==9366==by 0x408FCCE: _dbus_string_copy_len (dbus-string.c:1368)
==9366==by 0x408DCF8: marshal_len_followed_by_bytes 
(dbus-marshal-basic.c:726)
==9366==by 0x408DD95: marshal_string (dbus-marshal-basic.c:758)
==9366==by 0x408DF60: _dbus_marshal_write_basic (dbus-marshal-basic.c:840)
==9366==by 0x4075CD7: _dbus_type_writer_write_basic_no_typecode 
(dbus-marshal-recursive.c:1601)
==9366==by 0x40768BB: _dbus_type_writer_write_basic 
(dbus-marshal-recursive.c:2323)
==9366==
==9366== LEAK SUMMARY:
==9366==definitely lost: 28 bytes in 1 blocks
==9366==indirectly lost: 24 bytes in 1 blocks
==9366==  possibly lost: 12,907 bytes in 290 blocks
==9366==still reachable: 228,607,834 bytes in 3,732 blocks
==9366== suppressed: 0 bytes in 0 blocks


** Attachment added: vg.log
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3877842/+files/vg.log

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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes libdbus client code in session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Note that the following call on the server side does not resolve the
issue:

while (dbus_connection_dispatch (connection) == DBUS_DISPATCH_DATA_REMAINS)
   ;

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

The problem is not observed when the only connections to upstart are the
standard upstart bridges (since they use nih_dbus_connect()).

For reference, here is nih_dbus_setup() which includes one or more calls
that unity seemingly should be calling itself:

http://bazaar.launchpad.net/~ubuntu-
branches/ubuntu/saucy/libnih/saucy/view/head:/nih-
dbus/dbus_connection.c#L202

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Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

This problem can now be demonstrated with a single connection to upstart
that makes the following calls:

dbus_connection_open()
nih_dbus_proxy_new ()

The problem is not seen if the app instead calls:

   - nih_dbus_connect (upstart_session, disconnect_handler)
   - nih_dbus_proxy_new ()
   - nih_main_loop()

Or,

   - nih_dbus_connect (upstart_session, NULL)
   - nih_dbus_proxy_new ()
   - nih_main_loop()

Specifically, the problem appears to be that when an app calls
dbus_connection_open(), one or more of the functions in nih_dbus_setup()
should be being called to allow libdbus to interrupt the apps main loop
and request callbacks are run to clean up resources.

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Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

C program to trigger this bug. Run it in an environment with
UPSTART_SESSION set (such as a desktop/Touch environment), then run the
about-to-be attached spam.sh script.

** Attachment added: trigger-bug-1235649.c
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3872618/+files/trigger-bug-1235649.c

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Run as:

$ spam.sh session_init_pid


** Attachment added: spam.sh
   
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1235649/+attachment/3872619/+files/spam.sh

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Program attached in #51 demonstrates the incorrect calling behaviour. To
demonstrate the correct behaviour change the #if0/else/endif such that
rather than calling dbus_connection_open(), the program calls
nih_dbus_connect().

nih_dbus_connect(): No memory growth.
dbus_connection_open(): Memory growth.

** Summary changed:

- uevent spam causes session upstart to consume massive amounts of memory on 
Ubuntu Touch
+ uevent spam causes libdbus client code in session upstart to consume massive 
amounts of memory on Ubuntu Touch

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Title:
  uevent spam causes libdbus client code in session upstart to consume
  massive amounts of memory on Ubuntu Touch

Status in Upstart:
  New
Status in “linux” package in Ubuntu:
  Invalid
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Invalid
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Fix Released

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/upstart/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Persistent D-Bus connections are as expected (1 / bridge and 1 for 
unity-panel-service).
Ephemeral D-Bus connections are being handled correctly and removed from the 
control_conns list.

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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Incomplete
Status in “systemd” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Incomplete
Status in “systemd” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Still unclear why memory is being cached in Upstart address space, but
I'm starting to think this might be a libdbus issue.

What is triggering the memory rise though is unity-panel-service:
stopping this from running results in no memory increase within the
Session Init.

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

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Incomplete
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Incomplete
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Right - recall that I am testing on i386 as I don't have mako/maguro :)

However, note that on Touch, the upstart code in unity8
(plugins/Unity/Indicators/indicatorsmanager.cpp) is almost identical to
the upstart code in unity-panel-service (unity/services/panel-
service.c).

Is it possible to somehow disable the loading of /usr/lib/i386-linux-
gnu/unity8/qml/Unity/Indicators/libIndicatorsQml.so in the
unity8-private package on mako/maguro to see if that stops the memory
bloat?

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https://bugs.launchpad.net/bugs/1235649

Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Incomplete
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Incomplete
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

Re #41, interesting that unity-panel-service *is* installed on Touch
image though :)

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Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Incomplete
Status in “systemd” package in Ubuntu:
  New
Status in “unity” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Incomplete
Status in “systemd” source package in Saucy:
  New
Status in “unity” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: session upstart leaks massive amounts of memory on Ubuntu Touch

[James Hunt]

** Changed in: upstart (Ubuntu Saucy)
 Assignee: (unassigned) = James Hunt (jamesodhunt)

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Title:
  session upstart leaks massive amounts of memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Confirmed
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

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[Kernel-packages] [Bug 1235649] Re: session upstart leaks massive amounts of memory on Ubuntu Touch

[James Hunt]

Valgrinding the session init shows that most of the memory is correctly
freed at quiesce time.

** Attachment added: valgrind session init consuming ~250MB (with 
suppressions)
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+attachment/3866119/+files/valgrind-250M.log.gz

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Title:
  session upstart leaks massive amounts of memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Confirmed
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: session upstart leaks massive amounts of memory on Ubuntu Touch

[James Hunt]

Valgrind run as:

valgrind -v -v -v -v --show-reachable=yes --track-origins=yes --leak-
check=full init --debug --user


** Attachment added: valgrind session init consuming ~500MB (no suppressions)
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+attachment/3866123/+files/valgrind-500M-no-suppressions.log.gz

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https://bugs.launchpad.net/bugs/1235649

Title:
  session upstart leaks massive amounts of memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Confirmed
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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[Kernel-packages] [Bug 1235649] Re: uevent spam causes session upstart to consume massive amounts of memory on Ubuntu Touch

[James Hunt]

The problem is triggered by init/control.c:control_emit_event_emitted().
It looks like Upstart itself is clearing up memory, but either dbus
isn't, or upstart is missing a dbus unref call.

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Title:
  uevent spam causes session upstart to consume massive amounts of
  memory on Ubuntu Touch

Status in “linux” package in Ubuntu:
  Incomplete
Status in “systemd” package in Ubuntu:
  New
Status in “upstart” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Incomplete
Status in “systemd” source package in Saucy:
  New
Status in “upstart” source package in Saucy:
  Confirmed

Bug description:
  using ubuntu touch image 82 i see the session init consume about 10MB per 
minute as long as the screen is on  with Mir.
  running the same session with surfaceflinger only consumes 1MB per minute.

  in both cases the system starts to swap heavily at some point, making
  the UI unresponsive.

  http://paste.ubuntu.com/6196223/ has the top output of a Mir session
  after 30min, the UI just got completely unresponsive when this
  snapshot was taken.

  http://paste.ubuntu.com/6196332/ is the top output of a surfaceflinger
  session where the screen was off for about 10min

  apparently the leak only occurs while the screen is on, it seems to be
  permanently there but in the case of surfaceflinger it hits less hard.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1235649/+subscriptions

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