Forwarding this bug from Ubuntu reporter fgr1986: http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/981261 [Problem] One of several 0x7... bugs happening on Ubuntu. This one occurs on login [Original Description] Error on login. The error "[sandybridge-m-gt2] GPU lockup render.IPEHR: 0x78170003" shows on login half the times. The other half the X server gets frozen and I have to restart the X's or the system ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14 Uname: Linux 3.2.0-23-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.0.1-0ubuntu2 Architecture: amd64 Chipset: sandybridge-m-gt2 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None Date: Fri Apr 13 15:18:46 2012 DistUpgraded: Fresh install DistroCodename: precise DistroVariant: ubuntu DkmsStatus: bbswitch, 0.4.1, 3.2.0-23-generic, x86_64: installed nvidia-current, 295.40, 3.2.0-23-generic, x86_64: installed DuplicateSignature: [sandybridge-m-gt2] GPU lockup render.IPEHR: 0x78170003 Ubuntu 12.04 ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py GpuHangFrequency: Several times a day GpuHangReproducibility: Occurs more often under certain circumstances GpuHangStarted: Immediately after installing this version of Ubuntu GraphicsCard: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Toshiba America Info Systems Device [1179:fc31] NVIDIA Corporation GF108 [GeForce GT 540M] [10de:0df4] (rev ff) (prog-if ff) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328) InterpreterPath: /usr/bin/python2.7 MachineType: TOSHIBA SATELLITE P750 ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py ProcEnviron: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=47966917-c048-45a8-a852-b1850c6e207d ro quiet splash vt.handoff=7 RelatedPackageVersions: xserver-xorg 1:7.6+12ubuntu1 libdrm2 2.4.32-1ubuntu1 xserver-xorg-video-intel 2:2.17.0-1ubuntu4 SourcePackage: xserver-xorg-video-intel Title: [sandybridge-m-gt2] GPU lockup render.IPEHR: 0x78170003 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: dmi.bios.date: 07/13/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: 2.10 dmi.board.asset.tag: NULL dmi.board.name: PEQAA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr2.10:bd07/13/2011:svnTOSHIBA:pnSATELLITEP750:pvrPSAY3E-03S018CE:rvnTOSHIBA:rnPEQAA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: SATELLITE P750 dmi.product.version: PSAY3E-03S018CE dmi.sys.vendor: TOSHIBA version.compiz: compiz N/A version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.32-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1 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 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2
Created attachment 60111 [details] BootDmesg.txt
Created attachment 60112 [details] CurrentDmesg.txt
Created attachment 60113 [details] i915_error_state.txt
Created attachment 60114 [details] XorgLog.txt
1. Disable FBC. 2. commit 80e829fade4eea5f07c410df6a551c42e2d0ca9c Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sat Mar 31 11:21:57 2012 +0200 drm/i915: implement ColorBlt w/a According to an internal workaround master list, we need to set bit 5 of register 9400 to avoid issues with color blits. Testing shows that this seems to fix the blitter hangs when fbc is enabled on snb, thanks to Chris Wilson for figuring this out. Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Michael "brot" Groh <michael.groh@minad.de> Acked-by: Ben Widawsky <ben@bwidawsk.net> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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