Comment 73 for bug 727594

Original reporter tested a kernel that includes commit b5b5ac2d patched in and says he still sees the hang:

David Coggins wrote on 2011-03-20:
The system froze for me testing the latest natty 2.6.38-7.36 which should incorporate the fix for bug 717114

drm/i915: Fix tiling corruption from pipelined fencing

Mar 21 11:29:13 eee kernel: [ 0.000000] Linux version 2.6.38-7-generic (buildd@roseapple) (gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-6ubuntu4) ) #36-Ubuntu SMP Fri Mar 18 22:05:25 UTC 2011 (Ubuntu 2.6.38-7.36-generic 2.6.38)

Mar 21 11:47:30 eee kernel: [ 1115.992048] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Mar 21 11:47:30 eee kernel: [ 1115.998408] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -11 (awaiting 110179 at 110177, next 110180)

Apport is not generating a problem popup when I next reboot at the moment.
A small amount of testing with the terminal does not show any corruption which I was seeing 2 weeks ago bug 717114