[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 #6 from Ander Conselvan de Oliveira <conselvan2 at gmail.com> ---
(In reply to tuxgirl from comment #3)
> What kernel version is this fixed in? I just got this error on 4.0.4-1-ARCH.
> Unfortunately, the GPU crash dump is 0b, so I don't think there's much point
> to me creating a new ticket.

The GPU crash dump file is never 0b, but ls lies. Just do 

  $ cat /sys/class/drm/card0/error | bz2 > error.bz2

once you get the GPU hang and attach that to a *new* ticket.


(In reply to Jerome from comment #5)
> I may have been too optimistic in comment #4 unfortunately...
> With kernel 4.0.8 the bug seems much less frequent (2 times over a dozen
> suspend/resume). Unfortunately when it hangs it locks solid and requires a
> forced power down. No log on reboot.

Your symptoms are different so lets not jump to conclusions and assume it's the
same bug. Please open a *new* ticket, following the instructions in

  https://01.org/linuxgraphics/documentation/how-report-bugs

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