I just such on my Lenovo X220 with Ubuntu 13.04 (3.8.0-25-generic)
Jul 11 10:57:18 kernel: [10784.262606] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung Jul 11 10:57:18 kernel: [10784.262611] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
i915_error_state is attached.
I just such on my Lenovo X220 with Ubuntu 13.04 (3.8.0-25-generic)
Jul 11 10:57:18 kernel: [10784.262606] [drm:i915_ hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung dri/0/i915_ error_state
Jul 11 10:57:18 kernel: [10784.262611] [drm] capturing error event; look for more information in /debug/
i915_error_state is attached.