Ubuntu
linux package

NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [firefox:2278]

Bug #1495696 reported by Dennis L.
30
This bug affects 5 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Triaged
High
Unassigned

Bug Description

Full freeze, screen turns off, happened when Youtube video running in background tab in Firefox.
Hard reset necessary.
Multiple crashes/freezes have occurred updating linux kernel/image from 3.19.0-28 to 3.19.0-29.
All of them have happened when Firefox was running playing html5 videos.

ProblemType: KernelOops
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-29-generic 3.19.0-29.31
ProcVersionSignature: Ubuntu 3.19.0-29.31-generic 3.19.8-ckt6
Uname: Linux 3.19.0-29-generic x86_64
NonfreeKernelModules: nvidia
Annotation: Your system might become unstablenow and might need to be restarted.
ApportVersion: 2.17.2-0ubuntu1.4
Architecture: amd64
Date: Mon Sep 14 23:21:15 2015
Failure: oops
HibernationDevice: RESUME=UUID=e82835fd-236c-4458-b8eb-2815c0d14261
IwConfig:
 eth0 no wireless extensions.

 lo no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. GA-970A-UD3
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-29-generic root=UUID=ebf725f8-53e7-43f5-a8c8-04a43ef1a5d9 ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu8
RfKill:

SourcePackage: linux
Title: NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [firefox:2278]
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/20/2012
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F8a
dmi.board.name: GA-970A-UD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF8a:bd12/20/2012:svnGigabyteTechnologyCo.,Ltd.:pnGA-970A-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-970A-UD3:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-970A-UD3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

Revision history for this message
Dennis L. (dennis2society) wrote :
Revision history for this message
Brad Figg (brad-figg) wrote : Status changed to Confirmed

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
Revision history for this message
Joseph Salisbury (jsalisbury) wrote :

Would it be possible for you to test the latest upstream stable kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.19 stable kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19.8-ckt6-vivid/

Changed in linux (Ubuntu):
importance: Undecided → Medium
status: Confirmed → Incomplete
tags: added: kernel-da-key
Revision history for this message
Dennis L. (dennis2society) wrote :

Testing with ppa kernel 3.19.8-031908ckt6-generic seems to resolve the issue. At least no more crashes/freezes have occurred since then.
I have added the 'kernel-fixed-upstream" tag as requested.

tags: added: kernel-fixed-upstream
Changed in linux (Ubuntu):
status: Incomplete → Confirmed
penalvch (penalvch)
tags: added: latest-bios-f7
tags: added: needs-reverse-bisect
penalvch (penalvch)
Changed in linux (Ubuntu):
status: Confirmed → Triaged
importance: Medium → High
Joseph Salisbury (jsalisbury)
tags: added: performing-bisect
removed: needs-reverse-bisect
Revision history for this message
Joseph Salisbury (jsalisbury) wrote :

I started a kernel bisect between v3.19.0-28 and v3.19.0-29. The kernel bisect will require testing of about 6 test kernels.

I built the first test kernel, up to the following commit:
44d23454131ed2b4fd667241ac8940b598d55aa1

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1495696

Can you test that kernel and report back if it has the bug or not? I will build the next test kernel based on your test results.

Thanks in advance

Revision history for this message
Dennis L. (dennis2society) wrote :

Sad news: I had the same crash with the 3.19.8 kernel a couple of times now.
The obvious symptom is that the screen turns off and searches for a new signal source (HDMI/VGA/etc.).
This time it happened when zooming in Firefox (CTRL+Mousewheel) while a Youtube video was loading in a background tab.
I have tried to connect via SSH from a different machine to see if only the screen/GPU is not working correctly but it didn't go beyond login which indicates that some kind of lockup occurs.

I have attached the latest logfile from /var/crash/

Sorry for sparse/superficial information but my experience with kernel-debugging is rather limited...

Revision history for this message
penalvch (penalvch) wrote :

Dennis L., anytime you get a crash file, please file a new report against it as it will be dealt with by the automatic retracer:
ubuntu-bug NAME-OF-FILE.crash

Revision history for this message
Marc Branchaud (marcnarc) wrote :

I suffered from these messages after upgrading to Kubuntu 16.04.

After changing my hard drive, then my entire PC, then upgrading the kernel to 4.5.2 and also my nVidia drivers to 364.19, the messages went away.

However, I STILL saw intermittent lockups. These finally went away after I turned off KDE's file indexing (baloo-file-indexer). I suspect that my original NMI problems could have also stemmed from that.

I've latched onto bug #1548051 for the file-indexing problem.

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