** Attachment added: "/sys/kernel/debug/dri/0/i915_error_state" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1160256/+attachment/3597947/+files/i915_error_state
** Description changed: - I often see (short) GPU hangs lately. + I often see (short) GPU hangs lately, often when using the vertical + scroll bar in Firefox. It even happened that the whole system froze, but that did not happen recently. From dmesg: [ 1973.723500] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 1973.723506] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [ 1973.733691] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: xorg 1:7.6+12ubuntu2 ProcVersionSignature: Ubuntu 3.5.0-27.45~precise1-generic 3.5.7.7 Uname: Linux 3.5.0-27-generic x86_64 .tmp.unity.support.test.0: - + ApportVersion: 2.0.1-0ubuntu17.1 Architecture: amd64 CompizPlugins: [core,composite,opengl,decor,move,regex,compiztoolbox,snap,animation,vpswitch,grid,mousepoll,resize,imgpng,place,unitymtgrabhandles,wall,expo,workarounds,ezoom,session,staticswitcher,fade,scale,unityshell] CompositorRunning: compiz Date: Tue Mar 26 10:25:38 2013 DistUpgraded: Fresh install DistroCodename: precise DistroVariant: ubuntu DkmsStatus: - vboxhost, 4.2.10, 3.2.0-40-generic, x86_64: installed - vboxhost, 4.2.10, 3.5.0-26-generic, x86_64: installed - vboxhost, 4.2.10, 3.5.0-27-generic, x86_64: installed + vboxhost, 4.2.10, 3.2.0-40-generic, x86_64: installed + vboxhost, 4.2.10, 3.5.0-26-generic, x86_64: installed + vboxhost, 4.2.10, 3.5.0-27-generic, x86_64: installed ExtraDebuggingInterest: Yes, even including gdb or git bisection work if needed GpuHangFrequency: Several times a day GpuHangReproducibility: Occurs more often under certain circumstances GpuHangStarted: Since a couple weeks or more GraphicsCard: - Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller]) - Subsystem: Lenovo Device [17aa:21db] + Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller]) + Subsystem: Lenovo Device [17aa:21db] InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: LENOVO 42992PG MarkForUpload: True ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-27-generic root=/dev/mapper/vg0-rootlv ro rootflags=subvol=@ quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg freeze UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/05/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET67WW (1.37 ) dmi.board.asset.tag: Not Available dmi.board.name: 42992PG 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:bvr8DET67WW(1.37):bd12/05/2012:svnLENOVO:pn42992PG:pvrThinkPadX220Tablet:rvnLENOVO:rn42992PG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 42992PG dmi.product.version: ThinkPad X220 Tablet dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.7.12-0ubuntu1 version.ia32-libs: ia32-libs 20090808ubuntu36 version.libdrm2: libdrm2 2.4.39-0ubuntu0.1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.4-0ubuntu0.4 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.4-0ubuntu0.4 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.12 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.3 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build3 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1160256 Title: Xorg freeze: drm:i915_hangcheck_hung To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1160256/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp