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[Hannes Riedenbauer <1328048@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1274779 ***
    https://bugs.launchpad.net/bugs/1274779

I get an similar error when using chromium with the latest Ubunu 14.04.1
LTS with the LTS-Trusty Kernel (3.16.0-28). The file
"/sys/class/drm/card0/error" is empty in my case.

[20694.816071] [drm] stuck on render ring
[20694.816973] [drm] GPU HANG: ecode 0:0x8644f8fe, in chromium-browse [11530], reason: Ring hung, action: reset
[20694.816975] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[20694.816976] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[20694.816978] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[20694.816979] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[20694.816981] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[20694.817081] [drm:i915_reset] *ERROR* Failed to reset chip: -19
gnome-session[1927]: WARNING: App 'compiz.desktop' exited with code 1
gnome-session[1927]: WARNING: App 'compiz.desktop' respawning too quickly
gnome-session[1927]: CRITICAL: We failed, but the fail whale is dead. Sorry....
gnome-session[1927]: WARNING: App 'compiz.desktop' respawning too quickly
gnome-session[1927]: WARNING: App 'compiz.desktop' exited with code 1
gnome-session[1927]: WARNING: App 'compiz.desktop' respawning too quickly

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https://bugs.launchpad.net/bugs/1328048

Title:
  Frequent GPU hangs

Status in xserver-xorg-video-intel package in Ubuntu:
  Confirmed

Bug description:
  My machine locks up for several seconds at a time quite regularly.
  During this time, nothing on the screen responds to input. Eventually
  it unfreezes, and I see this in dmesg:

  [87414.775168] [drm] stuck on render ring
  [87414.775176] [drm] GPU crash dump saved to /sys/class/drm/card0/error
  [87414.775178] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
  [87414.775179] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
  [87414.775182] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
  [87414.775195] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
  [88435.061565] [drm] stuck on render ring

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  chr1s      2792 F.... pulseaudio
   /dev/snd/controlC0:  chr1s      2792 F.... pulseaudio
   /dev/snd/pcmC0D0p:   chr1s      2792 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jun  9 11:13:40 2014
  HibernationDevice: RESUME=UUID=1ddf0115-d0ba-4fa5-ac2a-0aaef10c2f47
  InstallationDate: Installed on 2013-03-27 (438 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130326)
  MachineType: Dell Inc. Latitude E6430
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic.efi.signed root=UUID=d8ecd73b-f2ef-400d-b805-f7a77c75db17 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-27-generic N/A
   linux-backports-modules-3.13.0-27-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-03-14 (87 days ago)
  dmi.bios.date: 12/13/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: 0CPWYR
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA09:bd12/13/2012:svnDellInc.:pnLatitudeE6430:pvr01:rvnDellInc.:rn0CPWYR:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6430
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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