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[Bug 1558507] Re: Sporadic Kernel Panic while playing videos


Added the requested tag kernel-bug-exists-upstream. I experienced a
crash right now. But subjectively I really had to torture the machine
much more for that effect, having VLC, Parole, and Firefox running
straight all night and day at the same time.

cat /proc/version
Linux version 4.5.0-040500-generic (kernel@tangerine) (gcc version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201603140130 SMP Mon Mar 14 05:32:22 UTC 2016

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

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

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  Sporadic Kernel Panic while playing videos

Status in linux package in Ubuntu:

Bug description:
  Kernel panics occur sporadically in Xubuntu. The error can be
  triggered more likely by playing MP4-Videos in Firefox or VLC, but it
  also happened with the Parole player or idling. I first thought of an
  hardware issue, but memtest gave me no clue AND it also happened
  similarly inside a Oracle Virtual Box on another, completely different
  hardware. The only similarity was using 64-bit SMP (mine is AMD,
  theirs were Intel).

  Most of the time the system freezes completely, repeating the last
  half of a second of the sound that was playing over and over again. I
  also have seen a few kernel panic screens (which I am hopefully able
  to attach) with multiple kernel versions.

  If the error is pointing to the ATi graphic's driver, I also want to
  add that I am not using any proprietary drivers.

  Even though kernel panics aren't logged, I try to include everything I
  can think of. For the logs attached let me hint at the time of the
  last panic which occured at March 17th between 11:17 and 11:20 CET.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-83-generic 3.13.0-83.127
  ProcVersionSignature: Ubuntu 3.13.0-83.127-generic 3.13.11-ckt35
  Uname: Linux 3.13.0-83-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
   /dev/snd/controlC1:  sadow      1771 F.... pulseaudio
   /dev/snd/controlC0:  sadow      1771 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Thu Mar 17 12:14:31 2016
  HibernationDevice: RESUME=UUID=47982094-8634-4828-99c6-196f979b37ed
  InstallationDate: Installed on 2015-02-01 (409 days ago)
  InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
   eth0      no wireless extensions.
   lo        no wireless extensions.
  MachineType: ECS A780GM-A
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-83-generic root=UUID=f18bc6eb-1745-4906-8c29-3d365d5f0192 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.13.0-83-generic N/A
   linux-backports-modules-3.13.0-83-generic  N/A
   linux-firmware                             1.127.20
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/15/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080014
  dmi.board.name: A780GM-A
  dmi.board.vendor: ECS
  dmi.board.version: 1.0
  dmi.chassis.type: 3
  dmi.chassis.vendor: ECS
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080014:bd07/15/2009:svnECS:pnA780GM-A:pvr1.0:rvnECS:rnA780GM-A:rvr1.0:cvnECS:ct3:cvr:
  dmi.product.name: A780GM-A
  dmi.product.version: 1.0
  dmi.sys.vendor: ECS

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