I've run into what seems to be the same issue; I get the same messages in the kernel and Xorg logs:
Jul 26 09:00:41 hellokitty kernel: [40722.128886] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung Jul 26 09:00:41 hellokitty kernel: [40722.136893] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 8314736 at 8314722, next 8314737) [ 40730.919] (EE) intel(0): Detected a hung GPU, disabling acceleration. [ 40730.942] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error [ 40730.942] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error [ 40730.942] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error [ 40730.943] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error [ 40730.943] (WW) intel(0): intel_uxa_prepare_access: bo map failed: Input/output error [ 40737.148] [mi] EQ overflowing. The server is probably stuck in an infinite loop. [ 40737.148] Backtrace: [ 40737.171] 0: /usr/bin/X (xorg_backtrace+0x28) [0x467908] [ 40737.171] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x45d4e4] [ 40737.171] 2: /usr/bin/X (xf86PostMotionEventP+0xc4) [0x47cda4] [ 40737.171] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fe4fbedc000+0x434c) [0x7fe4fbee034c] [ 40737.171] 4: /usr/bin/X (0x400000+0x82dc7) [0x482dc7] [ 40737.171] 5: /usr/bin/X (0x400000+0x11db03) [0x51db03] [ 40737.171] 6: /lib/libpthread.so.0 (0x7fe500e84000+0xfb40) [0x7fe500e93b40] [ 40737.171] 7: /usr/lib/libpixman-1.so.0 (0x7fe500c0e000+0x5ca19) [0x7fe500c6aa19] [ 40737.171] 8: /usr/lib/libpixman-1.so.0 (0x7fe500c0e000+0x64828) [0x7fe500c72828] [ 40737.171] 9: /usr/lib/libpixman-1.so.0 (pixman_blt+0x52) [0x7fe500c42712] [ 40737.171] 10: /usr/lib/xorg/modules/libfb.so (fbCopyNtoN+0x2b2) [0x7fe4fd5c1472] [ 40737.171] 11: /usr/bin/X (miCopyRegion+0xa5) [0x55bdd5] [ 40737.171] 12: /usr/bin/X (miDoCopy+0x43a) [0x55c46a] [ 40737.171] 13: /usr/lib/xorg/modules/libfb.so (fbCopyArea+0x4c) [0x7fe4fd5c07ec] [ 40737.171] 14: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fe4fdfee000+0x324e1) [0x7fe4fe0204e1] [ 40737.171] 15: /usr/bin/X (0x400000+0xdffe4) [0x4dffe4] [ 40737.171] 16: /usr/bin/X (0x400000+0x37349) [0x437349] [ 40737.171] 17: /usr/bin/X (0x400000+0x38729) [0x438729] [ 40737.171] 18: /usr/bin/X (0x400000+0x218db) [0x4218db] [ 40737.171] 19: /lib/libc.so.6 (__libc_start_main+0xfe) [0x7fe4ffdd8d8e] [ 40737.171] 20: /usr/bin/X (0x400000+0x21469) [0x421469] I'm on Maverick but running a bunch of updated packages to get this Sandy Bridge box running properly. I need to update to Natty; will probably do in two weeks' time. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/717644 Title: [sandybridge] GPU lockup 568d68ff To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/717644/+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
