*** This bug is a duplicate of bug 1184382 ***
    https://bugs.launchpad.net/bugs/1184382

** This bug has been marked a duplicate of bug 1184382
   Xorg freeze

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https://bugs.launchpad.net/bugs/1191124

Title:
  i915 hangcheck

Status in “xorg” package in Ubuntu:
  New

Bug description:
  This report is related to a number of i915 GPU hang reports since
  kernel 3.8.x.   The DRM in the official kernel hangs so often that it
  is unusble.

  The hang is easily reproduced by pushing the rendering system very
  hard.  E.g. I can always make the hang within a few minutes by
  starting three instances of glxgears and then trying to view a youtube
  video full screen at HD resolution.

  I have found that the best solution so far is the latest bleeding edge
  kernels.  Hence, I am opening a new report with a kernel from the
  intel testing series with the hope that this gets passed upstream and
  we get this bug resolved.

  I posted additional results of tests to bug #1140716 but this seems to
  have moved beyond that now.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xorg 1:7.7+1ubuntu4
  Uname: Linux 3.10.0-994-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Fri Jun 14 16:02:29 2013
  DistUpgraded: Fresh install
  DistroCodename: raring
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:21da]
  InstallationDate: Installed on 2013-04-27 (48 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  Lsusb:
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 003: ID 04f2:b217 Chicony Electronics Co., Ltd Lenovo 
Integrated Camera (0.3MP)
  MachineType: LENOVO 4286CTO
  MarkForUpload: True
  PlymouthDebug: Error: [Errno 13] Permission denied: 
'/var/log/plymouth-debug.log'
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.10.0-994-generic 
root=UUID=f9722d0d-2787-4da4-8c83-23da91112a32 ro 
crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/11/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET68WW (1.38 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4286CTO
  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:bvr8DET68WW(1.38):bd04/11/2013:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4286CTO
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.45+git20130607.a0178c00-0ubuntu0sarvatt~raring
  version.libgl1-mesa-dri: libgl1-mesa-dri 
9.2.0~git20130612.adf324ad-0ubuntu0sarvatt~raring
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 
9.2.0~git20130612.adf324ad-0ubuntu0sarvatt~raring
  version.xserver-xorg-core: xserver-xorg-core 
2:1.13.4~git20130508+server-1.13-branch.10c42f57-0ubuntu0ricotz~raring
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:7.1.99+git20130531.bd2557ea-0ubuntu0sarvatt~raring
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.21.9+git20130612.1f180b89-0ubuntu0sarvatt~raring
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.7+git20130516.bf72ae1f-0ubuntu0sarvatt~raring
  xserver.bootTime: Fri Jun 14 15:06:42 2013
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 
2:1.13.4~git20130508+server-1.13-branch.10c42f57-0ubuntu0ricotz~raring
  xserver.video_driver: intel

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