Official support for Ubuntu 11.10 "Oneiric Ocelot" has ended.  Is this
still happening on Ubuntu 13.04 "Raring Ringtail"?

** Changed in: xorg-server (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/967434

Title:
  GPU crashes after running »Portal 2« with wine

Status in “xorg-server” package in Ubuntu:
  Incomplete

Bug description:
  I have a Lenovo Thinkpad R500 with an intel onboard graphic system and
  an additional discrete nvidia video card. I use the bumblebee system
  to run graphic-intensive applications on the nvidia-card. (This
  doesn't work with the wine games I tested [portal, portal 2]). Portal
  2 crashes in regular intervalls after hanging for some seconds. I am
  greeted with this message in dmesg:

  [  707.693945] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
  [  707.693969] [drm] capturing error event; look for more information in 
/debug/dri/0/i915_error_state
  [  707.720940] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 
(awaiting 449234 at 449229, next 449235)

  After the game crashes, no application that uses OpenGL works.
  glxgears and all other glx* testing aplication do a segfault.
  Additionally, colors on some applications like gnome-terminal randomly
  change (whenever there is any kind of change on the screen). After a
  restart of X, OpenGL works again, although very slowly. (glxspheres
  gives 13 FPS with the Intel card instead of  60 FPS before). All this
  only affects the intel card, the nvidia card (probably because it
  isn't used) remains unaffected and is capable of rendering any
  graphics. (glxspheres: 150 FPS)

  I don't know where the bug is, the only PPA I use that may affect this
  is ppa:bumblebee/stable. I see forward to a fix.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: xorg 1:7.6+7ubuntu7.1
  ProcVersionSignature: Ubuntu 3.0.0-16.29-generic 3.0.20
  Uname: Linux 3.0.0-16-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  CheckboxSubmission: 2b96037cda5f7492741b6bd9d96adbcd
  CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Wed Mar 28 21:17:32 2012
  DistUpgraded: Fresh install
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus:
   bbswitch, 0.4.1, 3.0.0-16-generic, x86_64: installed
   nvidia-current, 280.13, 3.0.0-16-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in 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:21d1]
   nVidia Corporation Device [10de:1057] (rev ff) (prog-if ff)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: LENOVO 4240CTO
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.0.0-16-generic 
root=UUID=009e982b-c32e-40f2-bda5-1085fc0f15da ro rootflags=subvol=@ quiet 
splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/24/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8AET55WW (1.35 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4240CTO
  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:bvr8AET55WW(1.35):bd11/24/2011:svnLENOVO:pn4240CTO:pvrThinkPadT520:rvnLENOVO:rn4240CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4240CTO
  dmi.product.version: ThinkPad T520
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6.1
  version.ia32-libs: ia32-libs 20090808ubuntu26
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.15.901-1ubuntu2.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20110411+8378443-1

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