cosmic:
before (1.7.0ubu...)
Removing unused kernel packages: linux-headers-generic linux-image-generic
after (1.7.2):
Removing unused kernel packages: linux-headers-generic
That does the job well enough, even if the headers end up being removed
in this particular test case.
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By increasing the size reserved to 256MB it's working.
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Title:
kdump kernel panics on Bionic
Status in linux package in Ubuntu:
C
bionic:
before (1.6.6..)
Removing unused kernel packages: linux-headers-generic linux-image-generic
after (1.6.8):
Removing unused kernel packages: linux-headers-generic
and just to verify, if you install dkms:
No packages found that can be upgraded unattended and no pending auto-removals
(the
The problem went away with linux-image-generic-hwe-18.04 4.18.0.14.64. I
think I'll just switch to that kernel for machines maintained by me.
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I got the same behavior on Xenial with kernel 4.15.0-43-generic.
[4.598980] [ pid ] uid tgid total_vm rss pgtables_bytes swapents
oom_score_adj name
[4.601946] Kernel panic - not syncing: Out of memory and no killable
processes...
[4.601946]
[4.605054] CPU: 0 PID: 1 Comm
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: Incomplete
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Status: New => In Progress
** Changed in: linux (Ubuntu Disco)
Status: In
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1813955
and then change the status of the bug to 'Confirmed'.
If, due to the nature
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
** This bug has been marked a duplicate of bug 1813663
External monitors does not work anymore 4.15.0-44
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Public bug reported:
This makes some of our tests fail or be skipped.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
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The same thing happens on dock disconnect with Lenovo Thinkpad T480.
Here is the log.
Jan 30 17:42:46 cubbli18-gold kernel: [ 169.224084] BUG: unable to handle
kernel NULL pointer dereference at 0245
Jan 30 17:42:46 cubbli18-gold kernel: [ 169.224110] IP:
intel_ddi_post_disable+0x5
There was an userspace regression reported after the inclusion of these
backports;
it's being handled in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813873.
The fix patch was released upstream and the SRU request was sent to kernel-team
ML (thanks smb!):
https://lists.ubuntu.com/archi
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
Ubuntu 18.04.1 LTS
Linux XXX 4.15.0-43-generic #46-Ubuntu SMP Thu Dec 6 14:45:28 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
I can't log in to a wayland or xorg session at gdm3 screen with kernel 4.15.0-44
Ju
I have the same issue with a Dell Vostro & business dock WD15
4.15.0-43 works well, I saved that choice on GRUB to be safe.
Dell Vostro
Intel® Core™ i5-8250U CPU @ 1.60GHz × 8
Intel® UHD Graphics 620 (Kabylake GT2)
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*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
I have the same issue with a Dell Vostro & business dock WD15
4.15.0-43 works well, I saved that choice on GRUB to be safe.
Dell Vostro
Intel® Core™ i5-8250U CPU @ 1.60GHz × 8
Intel® UHD Graphics 620 (Kab
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
** This bug has been marked a duplicate of bug 1813663
External monitors does not work anymore 4.15.0-44
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I can confirm this with Lenovo X280, except that it happens on a USB-C
connected monitor which has a builtin USB-hub (the monitor is the
docking station). It makes the docking station unusable. In older
kernels this setup used to work. I have multiple crashes like this.
Jan 29 18:01:00 lx8-cubbli
** Changed in: linux (Ubuntu Xenial)
Status: New => Triaged
** Changed in: linux (Ubuntu Bionic)
Status: New => Triaged
** Changed in: linux (Ubuntu Cosmic)
Status: New => Triaged
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Changed in: linux (Ubuntu
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Committed
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Title:
Userspace break as a result of missing patch backport
Can you check bug 1813663 to confirm that this isn't the kernel issue
reported there? I know you said that going back a version of linux-
firmware and not the kernel fixes the issue for you, but that problem
broke docking stations badly and is in about the same time frame, so I
want to double check
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
** This bug has been marked a duplicate of bug 1813663
External monitors does not work anymore 4.15.0-44
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*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
** This bug has been marked a duplicate of bug 1813663
External monitors does not work anymore 4.15.0-44
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*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
** This bug has been marked a duplicate of bug 1813663
External monitors does not work anymore 4.15.0-44
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Freeze after update from 4.15.0.43 to 4.15.0.44
Status
We will pick the follow-up patch up for the next cycle.
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Sta
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
Thank you. Perhaps I should also note that everything worked as expected
if plugged directly into the laptop, without using the docking station.
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*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
Looks like this is the same as bug 1813663.
** This bug has been marked a duplicate of bug 1813663
External monitors does not work anymore 4.15.0-44
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*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
I had the same issue on Lenovo Thinkpad X1 Carbon (6th generation), also
resolved by downgrading to the old kernel version.
The monitors work with the docking station until the lock screen causes
the comput
** Tags added: regression-testing-passed
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Title:
linux-azure: 4.15.0-1037.39 -proposed tracker
Status in Kernel SRU Workflow:
** Changed in: kernel-sru-workflow/regression-testing
Status: Confirmed => Fix Released
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
Since it works in 4.15.0-43 but not in 4.15.0-44, this appears to be a
kernel regression and not a firmware problem. Reassigning to the linux
package.
** Package changed: linux-firmware (Ubuntu) => linux (U
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
I have an Lenovo T470s with current NEON (Ubuntu 18.04 based) with the same
problem. If I disconnect it from the docking station it freezes.
After reverting back to the 4.15.0.43 kernel the issue is gone.
** Changed in: kernel-sru-workflow/automated-testing
Status: In Progress => Fix Released
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associate
** Changed in: kernel-sru-workflow/automated-testing
Status: In Progress => Incomplete
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated
Public bug reported:
Upon upgrading linux-image-generic and linux-header-generic from version
4.15.0.43.45 to version 4.15.0.44.46, my Lenovo Thinkpad T480s no longer
works when plugged into its docking station. Symptoms seem similar to
those described in https://bugs.launchpad.net/ubuntu/+source/
** Also affects: linux-raspi2 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-raspi2 (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux-raspi2 (Ubuntu Bionic)
Importance: Undecided => Medium
** Changed in: linux-raspi2 (Ubuntu C
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
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Title:
perf report can't annotate kernel and dbg
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Trusty)
Importance: Undeci
https://lists.ubuntu.com/archives/kernel-team/2019-January/098175.html
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Seth Forshee (sforshee)
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Medium
**
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Status: In Progress => Invalid
-
** Description changed:
+ == SRU Justification ==
+
+ Impact: A kernel panic is seen when using some third-party software.
+
+ Fix: Upstream commit ab5098fa25b9 ("ip6_gre: fix tunnel list corruption
+ for x-netns").
+
+ Test Case: Confirm that the panic no longer happens with the patch.
+
+ Re
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Cosmic)
Importance: Undeci
** Also affects: linux-firmware (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: Ubuntu Cosmic
Importance: Undecided
Status: New
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** Changed in: ubuntu-z-systems
Status: New => In Progress
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Title:
Vsock connect fails with ENODEV for large CID
Status in U
Felipe,
can you try to cancel the lid option? you do it with
sudo sh -c "echo LID0 disabled > /proc/acpi/wakeup"
than check it is '*disabled' in the LID0 entry, by running
cat /proc/acpi/wakeup
and check the output.
You can close the lid and it will sleep, but it will not wakeup when you open
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
After updating to 4.15.0-44-generic it is not possible to unlock when
docked (Thinkpad X1 Carbon 4th gen). Blank (black screen) and not
possible to switch to another console. Sometimes a frozen mouse pointer
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Cosmic)
Status: New => In Progress
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** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Stefan Bader (smb)
** Changed in: linux (Ubuntu Bionic)
Importance: Medium => High
I have resolved the issue for now by installing linux-generic-hwe-18.04
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Title:
Unable to use docking station on linux-image-4.15.0-
Sorry for the noise but, I am having the very same problem with an
nvidia card. I am posting this here because it seems that this problem
affecting AMD, intel an nvidia cards since the 18.10 update, so maybe
this should be inspected as a general graphics bug, not just a bug in
AMD. If that is not t
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Committed
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** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Trusty)
Status: New => In Progress
** Changed in: linux (Ubuntu Xenial)
Status: New =>
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234280/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234275/+files/CurrentDmesg.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234279/+files/Lsusb.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234282/+files/ProcEnviron.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234287/+files/UdevDb.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234281/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234274/+files/CRDA.txt
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Ti
apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234284/+files/ProcModules.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234288/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234276/+files/IwConfig.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234277/+files/Lspci.txt
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apport information
** Tags added: apport-collected
** Description changed:
With the recent kernel update yesterday (4.15.0-42), I am encountering
complete system freezes related to the Lenovo docking station:
1) When I boot while docked, I get stuck at black screen late in boot
sequenc
apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234283/+files/ProcInterrupts.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234285/+files/PulseList.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1813924/+attachment/5234286/+files/RfKill.txt
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This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
kernel BUG at /build/linux-A9G
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
I can confirm that with a Dell Precision and a Thunderbold Dock 16.
Booting to 4.15.0-43 works fine.
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TP T450s with docking station and external monitor
The kernel from proposed-list fixed this for me.
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Title:
External monitors does
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
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Title:
Vsock connect fails with ENODEV for large
Public bug reported:
happend during normal operation in the background
ProblemType: KernelOops
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-39-generic 4.15.0-39.42
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
Annotation: Your system mi
I'm also affected by this bug on a T460p, I've attached the syslog entry
from the crashes. It happens when the laptop is inactive and the display
gets switched off. Please let me know if I can assist further in
debugging this. Here's my uname:
Linux 44 4.15.0-44-generic #47-Ubuntu SMP Mon Jan 14 1
I'm hitting this bug too, using a Lenovo Thinkpad T470s (20HF0047IX);
i'm using a docking, but also without the pc boot but i get black
screen.
I'm using 'signed' kernel, can i safely install the (unsigned) test
4.15.0-45 kernel?
Kernel -43 works as expected.
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** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Importance: Undecided => High
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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I have the same problem on AsusPro with Asus SimPro Dock-1A, plan to try
the fix a bit later.
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Title:
External monitors does not wor
Public bug reported:
- Problem Descripion:
Kernel 4.19 introduced a bug in the Vsock protocol when using a large Context
ID.
E.g.
CID 0xfff000 works correctly but
CID 0xfff001 fails with ENODEV when trying to connect to the listener.
The issue now also shows up in Ubuntu 18.04 with
-> kernel
I am having this issue now with kernel 4.15.0-44-generic in a Dell
Latitude E7440. Ubuntu 18.04
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Title:
Suspend fails in Kubuntu 18.
I've changed the tag 'verification-needed-bionic' to 'verification-done-
bionic'.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https:/
You have been subscribed to a public bug:
- Problem Descripion:
Kernel 4.19 introduced a bug in the Vsock protocol when using a large Context
ID.
E.g.
CID 0xfff000 works correctly but
CID 0xfff001 fails with ENODEV when trying to connect to the listener.
The issue now also shows up in Ubuntu 1
As of comment #1, please share/attach the relevant logs.
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Title:
Guest crashed when detaching the ovs interface device
Status in Ub
Hi,
This bug affects various HP laptops as well on the latest 4.15.0-44
kernel(EliteBook 745 G5, EliteBook 850 G2, Elitebook 840 G5 verified) using the
HP 2013 UltraSlim Docking station.
Updating to Kernel 4.15.0-45 fixed this (link below).
https://people.canonical.com/~khfeng/lp1813663/
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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
kernel BUG at /build/linux-A9G
I rechecked all kernels of version 4.18 again. No bug kernels only:
4.18.0-10-generic #11-Ubuntu SMP Thu Oct 11 15:13:55 UTC 2018 x86_64 x86_64
x86_64 GNU/Linux
4.18.12-041812-generic #201810032137 SMP Thu Oct 4 01:39:48 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
4.18.11-041811-generic #201809290731
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
I can confirm this problem. And it seems to be largely hardware
independent and happens on various Lenovo T450s and T440s devices with
dock
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Public bug reported:
just happened in the background ... no idea about the direct cause
ProblemType: KernelOops
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-39-generic 4.15.0-39.42
ProcVersionSignature: Ubuntu 4.15.0-39.42-generic 4.15.18
Uname: Linux 4.15.0-39-generic x86_64
Annotatio
This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1813924
and then change the status of the bug to 'Confirmed'.
If, due to the nature
I've been running with the updated kernel for approx 24 hours now and
everything seems fine again.
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Title:
External monitors does no
** Changed in: kernel-sru-workflow/automated-testing
Status: In Progress => Incomplete
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated
I didn't manage to find a new kernel in the proposed updates list :(
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Title:
External monitors does not work anymore 4.15.0-44
Stat
ubuntu@lam-bionic6401:~$ uname -a
Linux lam-bionic6401 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC
2019 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@lam-bionic6401:~$ sudo dumpe2fs -h /dev/loop5|grep meta_bg
dumpe2fs 1.44.1 (24-Mar-2018)
Filesystem features: has_journal ext_attr dir_ind
** Changed in: kernel-sru-workflow/automated-testing
Status: New => Confirmed
** Changed in: kernel-sru-workflow/certification-testing
Status: New => Confirmed
** Changed in: kernel-sru-workflow/promote-to-proposed
Status: Fix Committed => Fix Released
** Changed in: kernel-
Added some extra debug and some more sanity checking. Looks like on a
single CPU the pthread reaping was not unlocking a mutex causing the
issue.
Fixes committed:
https://kernel.ubuntu.com/git/cking/stress-ng.git/commit/?id=e5ecba459754d4bdb3e858caaaf41a87e485c8ce
"stress-pthread: make error messa
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1813917
Title:
Unable to use docking station
*** This bug is a duplicate of bug 1813663 ***
https://bugs.launchpad.net/bugs/1813663
Same Problem on Thinkpad L560 + Docking Station + External Monitor +
18.04 LTS amd64: When docked both screens go blank when Gnome Session
tries to start. Nothing works but REISUB.
>From the boot log:
Jan
** Changed in: kernel-sru-workflow/automated-testing
Status: Incomplete => In Progress
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
Public bug reported:
With the recent kernel update yesterday (4.15.0-42), I am encountering
complete system freezes related to the Lenovo docking station:
1) When I boot while docked, I get stuck at black screen late in boot sequence
(after typing in disk decryption passphrase)
2) If I dock afte
** Changed in: kernel-sru-workflow/automated-testing
Status: In Progress => Incomplete
** Description changed:
This bug is for tracking the upload package. This
bug will contain status and testing results related to that upload.
For an explanation of the tasks and the associated
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