Created attachment 100691 [details] i 915 error state kernel: [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung kernel: [drm] capturing error event; look for more information in/sys/kernel/debug/dri/0/i915_error_state system is a ThinkPad T420 w/integrated intel graphic i915, mesa 9.1.2 kernel 3.9.0, xxorg-server-1.14.1
Lost semaphore register update, this time from blt->render. *** This bug has been marked as a duplicate of bug 53571 ***