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Thread
Date
Re: [Bug 717644] Re: [sandybridge] GPU lockup 568d68ff

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Brian Hobby <717644@xxxxxxxxxxxxxxxxxx>
Date: Tue, 15 Feb 2011 05:37:38 -0000
Reply-to: Bug 717644 <717644@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Yep got a pop up, reported it ok, then tried working through a few 
things and then X locked up completely after trying to access the menu 
under the ubuntu symbol.

I've since updated to latest and currently have non functional X on 
normal startup, have to go back to low resolution or command line to run 
the currently version of Natty - as of last night

Regards Brian

On 15/02/2011 3:20 PM, Bryce Harrington wrote:
> To clarify, you got a popup about this crash, but never saw any X
> session termination or freeze up?
>
> Unfortunately apport didn't capture a valid GPU dump in this case, looks
> like the GPU got reset before the reporting kicked in perhaps.  But from
> the logs it looks like compiz crashed (twice!), and then the GPU hung,
> then led to X crashing.
>
> ** Description changed:
>
>    Binary package hint: xserver-xorg-video-intel
>
>    just working in the gui and it reported a crash
> +
> + [  175.616995] show_signal_msg: 6 callbacks suppressed
> + [  175.617000] compiz[1137]: segfault at 50 ip 00007f06ebe2c173 sp 00007fff8c7dca18 error 6 in libstdc++.so.6.0.14[7f06ebdc6000+e8000]
> + [  333.156989] compiz[1445]: segfault at 50 ip 00007fca0285a173 sp 00007fff68371378 error 6 in libstdc++.so.6.0.14[7fca027f4000+e8000]
> + [  390.526949] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> + [  390.528506] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 280477 at 280436, next 280478)
> + [  390.528580] [drm:i915_reset] *ERROR* Failed to reset chip.
> +
> + ACTHD: 0x00000000
> + EIR: 0x00000000
> + EMR: 0x00000000
> + ESR: 0x00000000
> + PGTBL_ER: 0x00000000
> + IPEHR: 0x00000000
> + IPEIR: 0x00000000
> + INSTDONE1: 0x00000000
> + INSTDONE2: 0x00000000
>
>    ProblemType: Crash
>    DistroRelease: Ubuntu 11.04
>    Package: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
>    Uname: Linux 2.6.37-12-generic x86_64
>    Architecture: amd64
>    Chipset: sandybridge
>    DRM.card0.DP.1:
> -  status: disconnected
> -  enabled: disabled
> -  dpms: Off
> -  modes:
> -  edid-base64:
> +  status: disconnected
> +  enabled: disabled
> +  dpms: Off
> +  modes:
> +  edid-base64:
>    DRM.card0.DP.2:
> -  status: disconnected
> -  enabled: disabled
> -  dpms: Off
> -  modes:
> -  edid-base64:
> +  status: disconnected
> +  enabled: disabled
> +  dpms: Off
> +  modes:
> +  edid-base64:
>    DRM.card0.HDMI.A.1:
> -  status: disconnected
> -  enabled: disabled
> -  dpms: Off
> -  modes:
> -  edid-base64:
> +  status: disconnected
> +  enabled: disabled
> +  dpms: Off
> +  modes:
> +  edid-base64:
>    DRM.card0.HDMI.A.2:
> -  status: disconnected
> -  enabled: disabled
> -  dpms: Off
> -  modes:
> -  edid-base64:
> +  status: disconnected
> +  enabled: disabled
> +  dpms: Off
> +  modes:
> +  edid-base64:
>    DRM.card0.VGA.1:
> -  status: connected
> -  enabled: enabled
> -  dpms: On
> -  modes: 1440x900 1280x1024 1280x1024 1440x900 1280x960 1280x800 1280x800 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
> -  edid-base64: AP///////wAEadUZxTcBABQSAQMIKRp46oWFpldKnCYSUFS/74BxT4EAgQ+BQIGAlQCVDwEBmimg0FGEIjBQmDYAmP8QAAAcAAAA/QA3Sx5TDwAKICAgICAgAAAA/ABBU1VTIFZXMTkzRAogAAAA/wA4NUxNVEYwNzk4MTMKABk=
> +  status: connected
> +  enabled: enabled
> +  dpms: On
> +  modes: 1440x900 1280x1024 1280x1024 1440x900 1280x960 1280x800 1280x800 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
> +  edid-base64: AP///////wAEadUZxTcBABQSAQMIKRp46oWFpldKnCYSUFS/74BxT4EAgQ+BQIGAlQCVDwEBmimg0FGEIjBQmDYAmP8QAAAcAAAA/QA3Sx5TDwAKICAgICAgAAAA/ABBU1VTIFZXMTkzRAogAAAA/wA4NUxNVEYwNzk4MTMKABk=
>    Date: Tue Feb  8 05:22:18 2011
>    DistUpgraded: Fresh install
>    DistroCodename: natty
>    DistroVariant: ubuntu
>    DumpSignature: 568d68ff
>    ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
>    GraphicsCard:   Subsystem: ASUSTeK Computer Inc. Device [1043:844d]
>    InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110121)
>    InterpreterPath: /usr/bin/python2.7
>    MachineType: System manufacturer System Product Name
>    ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
>    ProcEnviron:
> -
> +
>    ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic root=UUID=062dc479-4ce4-423c-a196-8ceb4b22b925 ro quiet splash vt.handoff=7
>    ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic root=UUID=062dc479-4ce4-423c-a196-8ceb4b22b925 ro quiet splash vt.handoff=7
>    RelatedPackageVersions:
> -  xserver-xorg 1:7.6~3ubuntu3
> -  libdrm2 2.4.23-1ubuntu3
> -  xserver-xorg-video-intel 2:2.14.0-1ubuntu6
> +  xserver-xorg 1:7.6~3ubuntu3
> +  libdrm2 2.4.23-1ubuntu3
> +  xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    SourcePackage: xserver-xorg-video-intel
>    Title: [sandybridge] GPU lockup 568d68ff
>    UserGroups:
> -
> +
>    dmi.bios.date: 11/26/2010
>    dmi.bios.vendor: American Megatrends Inc.
>    dmi.bios.version: 0307
>    dmi.board.asset.tag: To be filled by O.E.M.
>    dmi.board.name: P8H67-M PRO
>    dmi.board.vendor: ASUSTeK Computer INC.
>    dmi.board.version: Rev 1.xx
>    dmi.chassis.asset.tag: Asset-1234567890
>    dmi.chassis.type: 3
>    dmi.chassis.vendor: Chassis Manufacture
>    dmi.chassis.version: Chassis Version
>    dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0307:bd11/26/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8H67-MPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
>    dmi.product.name: System Product Name
>    dmi.product.version: System Version
>    dmi.sys.vendor: System manufacturer
>    version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu9
>    version.libdrm2: libdrm2 2.4.23-1ubuntu3
>    version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
>    version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu3
>    version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2+git20110124.fadee040-0ubuntu4
>    version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4
>
> ** Description changed:
>
>    Binary package hint: xserver-xorg-video-intel
>
>    just working in the gui and it reported a crash
>
> + Xorg.0.log:
> + [   390.682] (EE) intel(0): Detected a hung GPU, disabling acceleration.
> + [   390.682] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
> + [   390.696] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
> + [   390.705] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
> + [   390.706] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
> + [   390.710]
> + Backtrace:
> + [   390.727] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a1586]
> + [   390.727] 1: /usr/bin/X (0x400000+0x6078a) [0x46078a]
> + [   390.727] 2: /lib/libpthread.so.0 (0x7fca2e3bc000+0xfc80) [0x7fca2e3cbc80]
> + [   390.727] 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fca2b536000+0x236be) [0x7fca2b5596be]
> + [   390.727] 4: /usr/lib/xorg/modules/extensions/libdri2.so (0x7fca2b787000+0x2120) [0x7fca2b789120]
> + [   390.727] 5: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2GetBuffersWithFormat+0x10) [0x7fca2b7892f0]
> + [   390.727] 6: /usr/lib/xorg/modules/extensions/libdri2.so (0x7fca2b787000+0x3c6d) [0x7fca2b78ac6d]
> + [   390.727] 7: /usr/bin/X (0x400000+0x2da41) [0x42da41]
> + [   390.727] 8: /usr/bin/X (0x400000+0x21abe) [0x421abe]
> + [   390.727] 9: /lib/libc.so.6 (__libc_start_main+0xfe) [0x7fca2d325d1e]
> + [   390.727] 10: /usr/bin/X (0x400000+0x21669) [0x421669]
> + [   390.727] Segmentation fault at address (nil)
> + [   390.727]
> + Caught signal 11 (Segmentation fault). Server aborting
> + [   390.727]
> +
> + dmesg:
>    [  175.616995] show_signal_msg: 6 callbacks suppressed
>    [  175.617000] compiz[1137]: segfault at 50 ip 00007f06ebe2c173 sp 00007fff8c7dca18 error 6 in libstdc++.so.6.0.14[7f06ebdc6000+e8000]
>    [  333.156989] compiz[1445]: segfault at 50 ip 00007fca0285a173 sp 00007fff68371378 error 6 in libstdc++.so.6.0.14[7fca027f4000+e8000]
>    [  390.526949] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
>    [  390.528506] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 280477 at 280436, next 280478)
>    [  390.528580] [drm:i915_reset] *ERROR* Failed to reset chip.
>
>    ACTHD: 0x00000000
>    EIR: 0x00000000
>    EMR: 0x00000000
>    ESR: 0x00000000
>    PGTBL_ER: 0x00000000
>    IPEHR: 0x00000000
>    IPEIR: 0x00000000
>    INSTDONE1: 0x00000000
>    INSTDONE2: 0x00000000
>
>    ProblemType: Crash
>    DistroRelease: Ubuntu 11.04
>    Package: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
>    Uname: Linux 2.6.37-12-generic x86_64
>    Architecture: amd64
>    Chipset: sandybridge
>    DRM.card0.DP.1:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.DP.2:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.HDMI.A.1:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.HDMI.A.2:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.VGA.1:
>     status: connected
>     enabled: enabled
>     dpms: On
>     modes: 1440x900 1280x1024 1280x1024 1440x900 1280x960 1280x800 1280x800 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
>     edid-base64: AP///////wAEadUZxTcBABQSAQMIKRp46oWFpldKnCYSUFS/74BxT4EAgQ+BQIGAlQCVDwEBmimg0FGEIjBQmDYAmP8QAAAcAAAA/QA3Sx5TDwAKICAgICAgAAAA/ABBU1VTIFZXMTkzRAogAAAA/wA4NUxNVEYwNzk4MTMKABk=
>    Date: Tue Feb  8 05:22:18 2011
>    DistUpgraded: Fresh install
>    DistroCodename: natty
>    DistroVariant: ubuntu
>    DumpSignature: 568d68ff
>    ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
>    GraphicsCard:   Subsystem: ASUSTeK Computer Inc. Device [1043:844d]
>    InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110121)
>    InterpreterPath: /usr/bin/python2.7
>    MachineType: System manufacturer System Product Name
>    ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
>    ProcEnviron:
>
>    ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic root=UUID=062dc479-4ce4-423c-a196-8ceb4b22b925 ro quiet splash vt.handoff=7
>    ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic root=UUID=062dc479-4ce4-423c-a196-8ceb4b22b925 ro quiet splash vt.handoff=7
>    RelatedPackageVersions:
>     xserver-xorg 1:7.6~3ubuntu3
>     libdrm2 2.4.23-1ubuntu3
>     xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    SourcePackage: xserver-xorg-video-intel
>    Title: [sandybridge] GPU lockup 568d68ff
>    UserGroups:
>
>    dmi.bios.date: 11/26/2010
>    dmi.bios.vendor: American Megatrends Inc.
>    dmi.bios.version: 0307
>    dmi.board.asset.tag: To be filled by O.E.M.
>    dmi.board.name: P8H67-M PRO
>    dmi.board.vendor: ASUSTeK Computer INC.
>    dmi.board.version: Rev 1.xx
>    dmi.chassis.asset.tag: Asset-1234567890
>    dmi.chassis.type: 3
>    dmi.chassis.vendor: Chassis Manufacture
>    dmi.chassis.version: Chassis Version
>    dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0307:bd11/26/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8H67-MPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
>    dmi.product.name: System Product Name
>    dmi.product.version: System Version
>    dmi.sys.vendor: System manufacturer
>    version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu9
>    version.libdrm2: libdrm2 2.4.23-1ubuntu3
>    version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
>    version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu3
>    version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2+git20110124.fadee040-0ubuntu4
>    version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4
>
> ** Description changed:
>
>    Binary package hint: xserver-xorg-video-intel
>
>    just working in the gui and it reported a crash
> +
> + dmesg:
> + [  175.616995] show_signal_msg: 6 callbacks suppressed
> + [  175.617000] compiz[1137]: segfault at 50 ip 00007f06ebe2c173 sp 00007fff8c7dca18 error 6 in libstdc++.so.6.0.14[7f06ebdc6000+e8000]
> + [  333.156989] compiz[1445]: segfault at 50 ip 00007fca0285a173 sp 00007fff68371378 error 6 in libstdc++.so.6.0.14[7fca027f4000+e8000]
> + [  390.526949] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> + [  390.528506] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 280477 at 280436, next 280478)
> + [  390.528580] [drm:i915_reset] *ERROR* Failed to reset chip.
> +
> + GPU dump:
> + ACTHD: 0x00000000
> + EIR: 0x00000000
> + EMR: 0x00000000
> + ESR: 0x00000000
> + PGTBL_ER: 0x00000000
> + IPEHR: 0x00000000
> + IPEIR: 0x00000000
> + INSTDONE1: 0x00000000
> + INSTDONE2: 0x00000000
>
>    Xorg.0.log:
>    [   390.682] (EE) intel(0): Detected a hung GPU, disabling acceleration.
>    [   390.682] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
>    [   390.696] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
>    [   390.705] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
>    [   390.706] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error
> - [   390.710]
> + [   390.710]
>    Backtrace:
>    [   390.727] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a1586]
>    [   390.727] 1: /usr/bin/X (0x400000+0x6078a) [0x46078a]
>    [   390.727] 2: /lib/libpthread.so.0 (0x7fca2e3bc000+0xfc80) [0x7fca2e3cbc80]
>    [   390.727] 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fca2b536000+0x236be) [0x7fca2b5596be]
>    [   390.727] 4: /usr/lib/xorg/modules/extensions/libdri2.so (0x7fca2b787000+0x2120) [0x7fca2b789120]
>    [   390.727] 5: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2GetBuffersWithFormat+0x10) [0x7fca2b7892f0]
>    [   390.727] 6: /usr/lib/xorg/modules/extensions/libdri2.so (0x7fca2b787000+0x3c6d) [0x7fca2b78ac6d]
>    [   390.727] 7: /usr/bin/X (0x400000+0x2da41) [0x42da41]
>    [   390.727] 8: /usr/bin/X (0x400000+0x21abe) [0x421abe]
>    [   390.727] 9: /lib/libc.so.6 (__libc_start_main+0xfe) [0x7fca2d325d1e]
>    [   390.727] 10: /usr/bin/X (0x400000+0x21669) [0x421669]
>    [   390.727] Segmentation fault at address (nil)
> - [   390.727]
> + [   390.727]
>    Caught signal 11 (Segmentation fault). Server aborting
> - [   390.727]
> -
> - dmesg:
> - [  175.616995] show_signal_msg: 6 callbacks suppressed
> - [  175.617000] compiz[1137]: segfault at 50 ip 00007f06ebe2c173 sp 00007fff8c7dca18 error 6 in libstdc++.so.6.0.14[7f06ebdc6000+e8000]
> - [  333.156989] compiz[1445]: segfault at 50 ip 00007fca0285a173 sp 00007fff68371378 error 6 in libstdc++.so.6.0.14[7fca027f4000+e8000]
> - [  390.526949] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> - [  390.528506] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 280477 at 280436, next 280478)
> - [  390.528580] [drm:i915_reset] *ERROR* Failed to reset chip.
> -
> - ACTHD: 0x00000000
> - EIR: 0x00000000
> - EMR: 0x00000000
> - ESR: 0x00000000
> - PGTBL_ER: 0x00000000
> - IPEHR: 0x00000000
> - IPEIR: 0x00000000
> - INSTDONE1: 0x00000000
> - INSTDONE2: 0x00000000
> + [   390.727]
>
>    ProblemType: Crash
>    DistroRelease: Ubuntu 11.04
>    Package: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
>    Uname: Linux 2.6.37-12-generic x86_64
>    Architecture: amd64
>    Chipset: sandybridge
>    DRM.card0.DP.1:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.DP.2:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.HDMI.A.1:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.HDMI.A.2:
>     status: disconnected
>     enabled: disabled
>     dpms: Off
>     modes:
>     edid-base64:
>    DRM.card0.VGA.1:
>     status: connected
>     enabled: enabled
>     dpms: On
>     modes: 1440x900 1280x1024 1280x1024 1440x900 1280x960 1280x800 1280x800 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
>     edid-base64: AP///////wAEadUZxTcBABQSAQMIKRp46oWFpldKnCYSUFS/74BxT4EAgQ+BQIGAlQCVDwEBmimg0FGEIjBQmDYAmP8QAAAcAAAA/QA3Sx5TDwAKICAgICAgAAAA/ABBU1VTIFZXMTkzRAogAAAA/wA4NUxNVEYwNzk4MTMKABk=
>    Date: Tue Feb  8 05:22:18 2011
>    DistUpgraded: Fresh install
>    DistroCodename: natty
>    DistroVariant: ubuntu
>    DumpSignature: 568d68ff
>    ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
>    GraphicsCard:   Subsystem: ASUSTeK Computer Inc. Device [1043:844d]
>    InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110121)
>    InterpreterPath: /usr/bin/python2.7
>    MachineType: System manufacturer System Product Name
>    ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
>    ProcEnviron:
>
>    ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic root=UUID=062dc479-4ce4-423c-a196-8ceb4b22b925 ro quiet splash vt.handoff=7
>    ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.37-12-generic root=UUID=062dc479-4ce4-423c-a196-8ceb4b22b925 ro quiet splash vt.handoff=7
>    RelatedPackageVersions:
>     xserver-xorg 1:7.6~3ubuntu3
>     libdrm2 2.4.23-1ubuntu3
>     xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    SourcePackage: xserver-xorg-video-intel
>    Title: [sandybridge] GPU lockup 568d68ff
>    UserGroups:
>
>    dmi.bios.date: 11/26/2010
>    dmi.bios.vendor: American Megatrends Inc.
>    dmi.bios.version: 0307
>    dmi.board.asset.tag: To be filled by O.E.M.
>    dmi.board.name: P8H67-M PRO
>    dmi.board.vendor: ASUSTeK Computer INC.
>    dmi.board.version: Rev 1.xx
>    dmi.chassis.asset.tag: Asset-1234567890
>    dmi.chassis.type: 3
>    dmi.chassis.vendor: Chassis Manufacture
>    dmi.chassis.version: Chassis Version
>    dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0307:bd11/26/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8H67-MPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
>    dmi.product.name: System Product Name
>    dmi.product.version: System Version
>    dmi.sys.vendor: System manufacturer
>    version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu9
>    version.libdrm2: libdrm2 2.4.23-1ubuntu3
>    version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
>    version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu3
>    version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2+git20110124.fadee040-0ubuntu4
>    version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu6
>    version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4
>
> ** Changed in: xserver-xorg-video-intel (Ubuntu)
>         Status: New =>  Incomplete
>

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https://bugs.launchpad.net/bugs/717644

Title:
  [sandybridge] GPU lockup 568d68ff
References

[Bug 717644] [NEW] [sandybridge] GPU lockup 568d68ff
From: Brian Hobby, 2011-02-12
[Bug 717644] Re: [sandybridge] GPU lockup 568d68ff
From: Bryce Harrington, 2011-02-15