attached there is the /debug/dri/0/i915_error_state with 3.5.0-26 kernel with 3.5.0-26 and 3.5.0-27 kernels after few minutes Xorg get temporary lockups and after about an hour I can only move the mouse pointer and I can kill Xorg with alt+print+backspace, but after that graphics will be corrupted
dmesg with 3.5.0-26: [ 175.345408] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 175.345412] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [ 175.348230] [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off [ 200.244562] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 200.244844] [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off ** Attachment added: "3.5.0-26 /debug/dri/0/i915_error_state" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140716/+attachment/3649307/+files/3.5.0-26-generic%20i915_error_state -- 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 and 3.2.0-39-generic GPU hangs on Sandybridge 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