Created attachment 76261
i915_error_state (kernel 3.8.2 Fedora) with path (write mbox regs twice on snb, v2)
"write mbox regs twice on snb, v2" patch also not solve problem.
[ 1399.270341] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[ 1399.270345] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
[ 1399.277331] [drm:__gen6_gt_force_wake_get] *ERROR* Timed out waiting for forcewake old ack to clear.
Created attachment 76261
i915_error_state (kernel 3.8.2 Fedora) with path (write mbox regs twice on snb, v2)
"write mbox regs twice on snb, v2" patch also not solve problem.
[ 1399.270341] [drm:i915_ hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung dri/0/i915_ error_state gen6_gt_ force_wake_ get] *ERROR* Timed out waiting for forcewake old ack to clear.
[ 1399.270345] [drm] capturing error event; look for more information in /debug/
[ 1399.277331] [drm:__