Forwarding this bug from Ubuntu reporter jascha: http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980198 [Problem] Yet another intermittent snb lockup. The user is able to easily reproduce this by browsing web pages with pictures. [Original Description] hangs up after scrolling down a web page with some images but without flash i did capture an error state myself, see attachment. The webpage was http://forum.xda-developers.com/ and i was just scrolling down to search for my mobile. 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-gt1 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz Date: Thu Apr 12 21:24:49 2012 DistUpgraded: Fresh install DistroCodename: precise DistroVariant: ubuntu DkmsStatus: virtualbox, 4.1.12, 3.2.0-22-generic, x86_64: installed virtualbox, 4.1.12, 3.2.0-23-generic, x86_64: installed ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu GpuHangFrequency: Continuously 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 [8086:0102] (rev 09) (prog-if 00 [VGA controller]) Subsystem: ASRock Incorporation Device [1849:0102] InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1) InterpreterPath: /usr/bin/python2.7 MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. 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=f9070d7d-a7b6-47b3-bfed-f3d37adb15b1 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-gt1] GPU lockup UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: dmi.bios.date: 07/08/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.60 dmi.board.name: H67M dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.60:bd07/08/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH67M:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. version.compiz: compiz 1:0.9.7.4-0ubuntu3 version.ia32-libs: ia32-libs 20090808ubuntu35 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 60356 [details] BootDmesg.txt
Created attachment 60357 [details] CurrentDmesg.txt
Created attachment 60358 [details] XorgLog.txt
Created attachment 60359 [details] i915_error_state.txt
Created attachment 60360 [details] i915_error_state_webpage I had the user gather a second error state file since the first one didn't look like it had any valid data. Yet this one looked much the same. So these may not be at all useful for diagnostics. However, forwarding the bug since the steps to reproduce are so specific and the user's able to reproduce it very reliably.
Turn off FBC and 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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