$ uname -a Linux t420 3.8.0-030800-generic #201302181935 SMP Tue Feb 19 00:36:19 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
from kernel ppa Still hangs
Feb 20 11:10:37 t420 kernel: [ 9795.543780] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
Attached $ sudo cat /sys/kernel/debug/dri/0/i915_error_state > i915_error_state-20130220
$ uname -a generic #201302181935 SMP Tue Feb 19 00:36:19 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Linux t420 3.8.0-030800-
from kernel ppa
Still hangs
Feb 20 11:10:37 t420 kernel: [ 9795.543780] [drm:i915_ hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung
Attached debug/dri/ 0/i915_ error_state > i915_error_ state-20130220
$ sudo cat /sys/kernel/