[Bug 111805] Constant "Resetting rcs0 for hang on rcs0" and machine lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111805

Kenneth C <kenny at panix.com> changed:

           What    |Removed                     |Added
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                 CC|                            |kenny at panix.com

--- Comment #13 from Kenneth C <kenny at panix.com> ---
Created attachment 145628
  --> https://bugs.freedesktop.org/attachment.cgi?id=145628&action=edit
/sys/class/drm/card0/error

It KEEPS happening, ever since the DRM updates were merged to Linus' master.

Is anyone reading thru these card0/error reports? Any clues? Anything I
can/should try?

Daily I merge drm-tip and remain optimistic, but it's been two weeks of
unstable operation (and because of the hardware I'm running, I need Linus' tip
for power-management, and platform fixes).

FWIW, I was able to kill off X and run a hibernate; it brought the card back
from constantly hanging (no doubt due to the power cycle) but I saw this (one
on the way down, the latter on the way back up):

----
[102207.765555] i915 0000:00:02.0: Failed to idle engines, declaring wedged!
...
[102208.753786] i915 0000:00:02.0: Failed to idle engines, declaring wedged!
----

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