Please test with the following kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/
In this newer kernel code is a fix to enlarge unfenced alignments, which
appears to be a problem specific to i915/i945. If that kernel makes
this lockup bug go away, then we can investigate extracting and
backporting it. If not and we can rule out that fix for this issue,
upstream (Chris Wilson) will investigate further.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/721889
Title:
[i915g] GPU lockup 81199d37 (ESR: 0x00000001 IPEHR: 0x02000011)
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