[Bug 65764] i915 hangcheck

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65764

--- Comment #21 from Martin Weinberg <martin.weinberg at comcast.net> ---
I tried both patches, both singly and together, and the unpatched git drivers
(three tests). AFAICT, they all lead to a similar amount of hang checking under
graphics load. 

The details: my test consists of running three glxgears instances and then
opening up firefox and trying to watch a youtube video.  Of course, this is not
something I generally do but it does seem to generate GPU hangs so it's a good
test.  In some cases, simply using compiz transitions was sufficient to get a
hang, once the glxgears processes were running.  In all three tests with the
git drivers, I saw 4-5 hangs in a few minutes.  All of them recovered.

I then downgraded the drivers, restarted and performed the same test: no hangs
at all.

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