[Bug 93842] Sandy Bridge, Kernel 4.4: [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93842

--- Comment #6 from main.haarp at gmail.com ---
(In reply to Matt Turner from comment #5)
> We suspect a Mesa problem is the culprit. Do you know of a version that
> didn't exhibit this problem, and if so can you try to bisect the commit?

Thanks, this seems correct! I can (mostly) confirm that mesa-10.3.7 is good and
11.0.6 bad.

I've been bisecting for a week now, but I'm not making much progress. It's hard
to trigger the bug deliberately, as it's a statistical event. All I can do is
play a game and hope it shows up (or play for a few hours when it doesn't, to
make sure it's *really* not present)

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