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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #15 from Nicolas Hillegeer <nicolashillegeer at gmail.com> ---
(In reply to comment #11)
> (In reply to comment #10)
> [snip]
> > Is it still ok?
> yes

Ok, perfect. I compiled the kernel again (with the debian package kernel
package builder make-kpkg. I did not do make-kpkg clean because I wanted to let
the compile be over quicker. When I look at the date of the last modified file
I see that i915_gem.o, i915.o, modules.order and i915.ko have been regenerated
so I think that's ok). 

Btw, I just tried another run with UXA. Sometimes, with UXA, it does not crash
the X server, but it does disable acceleration and makes vaapi-mplayer unable
to get another surface. The result can be seen in t he last 3 files I posted.

I had already almost forgotten about the DRI2SwapComplete: Bad Drawable
messages, but they nearly always happen "near the end" when UXA is used.
Correct me if I'm wrong here but I thought DRI had something to do with Mesa?
Is that also involved here? I could try upgrading to the latest (9.1.1), should
I do that?

I'm going to cross post on the libva list and see if those guys can chime in as
well

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