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

[Gerry Finlay]

Same thing here. A few weeks ago I did a normal upgrade and GUI now always hangs with the messages in dmesg the same as those listed in previous posts. drm: i915_hangcheck_elapsed, etc.
Ubuntu 12.04 3.2.0-39-generic
To have a usuable system I must boot the previous linux version 3.2.0-38-generic.

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

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