I have experienced the same today. I am on a Linux Mint 14 system, with the latests kernel update installed.
I get the following in kern.log [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off Output of uname -a Linux redemption 3.5.0-26-generic #42-Ubuntu SMP Fri Mar 8 23:18:20 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux ** Bug watch added: Red Hat Bugzilla #879823 https://bugzilla.redhat.com/show_bug.cgi?id=879823 ** Also affects: linux (Fedora) via https://bugzilla.redhat.com/show_bug.cgi?id=879823 Importance: Unknown Status: Unknown ** Also affects: linuxmint Importance: Undecided Status: New -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to a duplicate bug report (644740). https://bugs.launchpad.net/bugs/946899 Title: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/946899/+subscriptions -- kubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
