Created attachment 76261 i915_error_state (kernel 3.8.2 Fedora) with path (write mbox regs twice on snb, v2)
"write mbox regs twice on snb, v2" patch also not solve problem. [ 1399.270341] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [ 1399.270345] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [ 1399.277331] [drm:__gen6_gt_force_wake_get] *ERROR* Timed out waiting for forcewake old ack to clear. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1041790 Title: [snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround i915.semaphores=0 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1041790/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
