[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 #8 from Matt Turner <mattst88 at gmail.com> ---
(In reply to main.haarp from comment #7)
> 35a77a148f8b7ef03fe3b31d63719e0bfdf4b783 may be a possible culprit, but this
> may be incorrect.
> 
> Due to the difficulty in triggering the bug, I may have inadvertently marked
> a bad bisect as good.

If that bisect is correct (I have some doubts), setting INTEL_DEBUG=nocompact
should avoid the issue. If it does, then we should be able to debug it quite
easily from there.

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