[Bug 89179] [drm] stuck on render ring - PLL state assertion failure

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89179

--- Comment #3 from Maruthi Seshidhar <maruthi.seshidhar at gmail.com> ---
Comment on attachment 113546
  --> https://bugs.freedesktop.org/attachment.cgi?id=113546
syslog file

The sysfs file /sys/class/drm/card0/error is an incore file.
Once the assertion is hit, the system hangs, 
and I dont get chance to collect the /sys/class/drm/card0/error file.
After reboot, I just see the dumpstack in syslog.

Any pointers on how to collect the said file?

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