Test kernel did not fix the issue for me. Linux matt-work 3.5.0-27-generic #45~lp1140716v1 SMP Fri Mar 22 15:50:00 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Mar 25 08:12:15 matt-work kernel: [ 158.302349] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung Mar 25 08:12:15 matt-work kernel: [ 158.302353] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state Mar 25 08:12:15 matt-work kernel: [ 158.305230] [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off Mar 25 08:12:36 matt-work kernel: [ 179.663557] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung Mar 25 08:12:36 matt-work kernel: [ 179.663780] [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1140716 Title: [regression] 3.5.0-26-generic GPU hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs