[Bug 59761] Kernel fails to reset AMD HD5770 GPU properly and encounters OOPS. GPU reset fails - system remains in unusable state.

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https://bugzilla.kernel.org/show_bug.cgi?id=59761





--- Comment #2 from t3st3r@mail.ru  2013-06-19 14:36:31 ---
Quite hard/time consuming for me at this point. But if no other options left, I
probably can try since this bug is quite annoying.

Right now I know that MESA 9.0.x has been working perfectly with that HD5770.
But MESA 9.1 and up (9.2 git, etc) are broken. This also seems to produce some
visually visible artifacts on textured objects in mentioned "Ryzom" game. Say,
"metallic" objects

However as for kernel itself - the problem is that kernel detects lock-up but
then EPIC FAILs when trying to reset GPU. 

I bet there should be no "BUG: unable to handle kernel paging request" at very
least. Then, kernel never manages to recover from this condition. Neither old
3.8 kernel, nor recent changed GPU reset code from 3.9/3.10 would work.

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