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[Manfred Herrmann <711999@xxxxxxxxxxxxxxxxxx>]

my W520 is very unstable ... crash/freeze on "[drm:i915_do_wait_request]
*ERROR* i915_do_wait_request returns -11"

how to get the fix ?
current dpkg -l "xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1"

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https://bugs.launchpad.net/bugs/711999

Title:
  [i915g] GPU lockup - (ESR: 0x00000001 IPEHR: 0x02000011) Hangcheck
  timer elapsed... failed to reset chip

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