[Bug 58212] New: GPU Hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58212

          Priority: medium
            Bug ID: 58212
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: GPU Hangs
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: brian.m.hill at gmail.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 71410
  --> https://bugs.freedesktop.org/attachment.cgi?id=71410&action=edit
Xorg Log

I am having an issue wherein the GPU will hand during normal use of my
computer.

Arch Linux x86-64
Kernel 3.6.9
KDE 4.9.4

At random points when using the computer, the GPU driver will hang and
everything will revert to software rendering, causing everything to run
unusably slow until Xorg is restarted. It sometimes happens multiple times a
day and sometimes only happens once every few days. This latest time it
happened, I was using Firefox. 

dmesg returns the following :
[290082.779837] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed...
GPU hung
[290082.779844] [drm] capturing error event; look for more information in
/debug/dri/0/i915_error_state

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