[Bug 74193] [uxa gen4] GPU crash running kernel 3.13

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74193

--- Comment #6 from Mika Kuoppala <mika.kuoppala at intel.com> ---
(In reply to comment #3)

> Mika, mind just confirming that the hangcheck code hasn't gone completely
> mad? And if you can not spot a problem, let's file this as impossible until
> proven otherwise.

My hypothesis is that this is not a hangcheck triggered error state capture
but a command parser error interrupt triggering one.

> Mathieu, please keep an eye for further hangs.

Running into same hang with the attached patch, will leave more clues
in the crash dump.

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