Even with 3.5.0-27 it happens as frequent as before (every 2-3 minutes):
[ 2280.147145] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 2280.147361] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
Working with this kernel is almost impossible.
Even with 3.5.0-27 it happens as frequent as before (every 2-3 minutes):
[ 2280.147145] [drm:i915_ hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung
[ 2280.147361] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
Working with this kernel is almost impossible.