Here is word from upstream on a different (but perhaps related) bug
report:
"Bryce, for all the 915/945 bugs can you please have the reporters test the
latest kernel with the enlarged unfenced alignment. That's the most likely
cause of random writes, though I don't suspect it in this case."
** Summary changed:
- [i915gm] GPU lockup 554e2b4b (ESR: 0x00000001 IPEHR: 0x7f9c002d)
+ [i915gm] GPU lockup (ESR: 0x00000001 IPEHR: 0x7f9c002d)
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided => High
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Triaged
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which is subscribed to xserver-xorg-video-intel in ubuntu.
https://bugs.launchpad.net/bugs/720468
Title:
[i915gm] GPU lockup (ESR: 0x00000001 IPEHR: 0x7f9c002d)
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