[Bug 90342] GPU hang "stuck on render ring" after resume on broadwell

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90342

--- Comment #9 from Jerome <an.inbox at free.fr> ---
Separate bug filled as bug #91585.

Nightly has the issue, the lock-up had nothing to do with the delay but with
the DRM logs. When doing the 20 suspend/resume tests I had the DRM logs enabled
(0x1e) as requested by the howto. Afterward I removed the log option and
performed a clean reboot, then suspended. With a lock-up on resume. 
I made another test without extra DRM logs, lock-up on second suspend/resume.
So definitely the lock-up issue is still there in nightly. It's just that lots
of logs hide it.
Will follow-up on bug #91585.

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