Comment 5 for bug 966631

Created attachment 58707
i915_error_state

xf86-video-intel git: 1c2932e9cb283942567c3dd2695d03b8045da27f
xorg-server: 1.12
firefox: 11.0
kernel: 3.3.0

dmesg:
[ 357.750313] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
[ 357.750325] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
[ 357.767446] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 (awaiting 7401 at 7390, next 7402)

Xorg.log:
[ 353.425] [mi] EQ overflowing. Additional events will be discarded until existing events are processed.
[ 353.425]
[ 353.425] Backtrace:
[ 353.426] 0: /usr/bin/X (xorg_backtrace+0x36) [0x56d2d6]
[ 353.426] 1: /usr/bin/X (mieqEnqueue+0x273) [0x54dd43]
[ 353.426] 2: /usr/bin/X (0x400000+0x4a3ae) [0x44a3ae]
[ 353.426] 3: /usr/lib64/xorg/modules/input/evdev_drv.so (0x7fdf2082c000+0x62d1) [0x7fdf208322d1]
[ 353.426] 4: /usr/bin/X (0x400000+0x72267) [0x472267]
[ 353.426] 5: /usr/bin/X (0x400000+0x97ab3) [0x497ab3]
[ 353.426] 6: /lib64/libpthread.so.0 (0x7fdf24db8000+0x10420) [0x7fdf24dc8420]
[ 353.426] 7: /lib64/libc.so.6 (ioctl+0x7) [0x7fdf23da8807]
[ 353.426] 8: /usr/lib64/libdrm.so.2 (drmIoctl+0x28) [0x7fdf2233ef08]
[ 353.426] 9: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fdf21e07000+0x37524) [0x7fdf21e3e524]
[ 353.426] 10: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fdf21e07000+0x3a353) [0x7fdf21e41353]
[ 353.426] 11: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fdf21e07000+0x6256c) [0x7fdf21e6956c]
[ 353.426] 12: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7fdf21e07000+0x70720) [0x7fdf21e77720]
[ 353.426] 13: /usr/bin/X (WakeupHandler+0xa0) [0x43a280]
[ 353.426] 14: /usr/bin/X (WaitForSomething+0x1bc) [0x56a8cc]
[ 353.426] 15: /usr/bin/X (0x400000+0x35e52) [0x435e52]
[ 353.426] 16: /usr/bin/X (0x400000+0x24e6a) [0x424e6a]
[ 353.426] 17: /lib64/libc.so.6 (__libc_start_main+0xfd) [0x7fdf23cf522d]
[ 353.426] 18: /usr/bin/X (0x400000+0x24a09) [0x424a09]
[ 353.426]
[ 353.426] [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
[ 353.426] [mi] mieq is *NOT* the cause. It is a victim.
[ 354.097] [mi] EQ overflow continuing. 100 events have been dropped.