[Bug 65495] [GM45] bsd ring reset fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65495

--- Comment #21 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #20)
> Test on latest -nightly branch.
> output:
>  ./ZZ_hangman
> checking /sys/kernel/debug/dri/0/i915_error_state
> rings stopped
> gpu hang correctly detected
> checking /sys/class/drm/card0/error
> rings stopped
> gpu hang correctly detected
> 
> dmesg has <6>[ 1438.703273] [drm] capturing error event; look for more
> information in /sys/class/drm/card0/error
> 
> # cat /sys/class/drm/card0/error
> no error state collected
> 
> Is it expected?

Yes, ZZ_hangman automatically clears the error_state at the end of the test so
that if any other test causes a real gpu hang it gets captured.

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