@jsalisbury: I've been running your 3.5.0-27-generic #45~lp1140716v1 for 5 hours and I've already had 3 hangs. No improvement here.
[ 5733.121323] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 5733.121330] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [ 5733.124957] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
@jsalisbury: I've been running your 3.5.0-27-generic #45~lp1140716v1 for 5 hours and I've already had 3 hangs. No improvement here.
[ 5733.121323] [drm:i915_ hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung dri/0/i915_ error_state
[ 5733.121330] [drm] capturing error event; look for more information in /debug/
[ 5733.124957] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off