[Bug 946899] Re: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung

[André Panisson]

By the way, switching to the terminal, killing compiz and switching back
again was able to restore the interface without having to restart
lightdm and all my applications.

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Title:
  [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU
  hung

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