[Bug 63921] [snb] GTT mapping fails after GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63921

--- Comment #43 from Nicolas Hillegeer <nicolashillegeer at gmail.com> ---
(In reply to comment #42)
> (In reply to comment #39)
> > Created attachment 78538 [details] [review] [review]
> > Potentially make reset work
> > 
> > Based on 3.9-rc8.
> > 
> > Please run, reproduce hang, and and post the result of dmesg | grep PCH
> 
> System came to a complete halt again, could not extract dmesg. But I noticed
> I was running with i915.i915_disable_rc6=0. So I'll turn that off and redo
> it.

I tried again with no boot parameters and this time (thankfully) the X.org
server crashed before completely locking up the system, allowing me to extract
a dmesg! I'll upload both dmesg and Xorg.0.log right now.

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