[Bug 93033] GPU hang while using X on Sandy Bridge notebook

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93033

--- Comment #7 from Rogério Theodoro de Brito <rbrito at ime.usp.br> ---
Dear Chris,

(In reply to Chris Wilson from comment #6)
> Second look, and I finally found a pattern:
> 
> When the ringbuffer wraps around at address 0, there is a chance that the
> GPU stops working. Marking as duplicate for tracking.
> 
> *** This bug has been marked as a duplicate of bug 93262 ***

Excellent that you found the pattern. Unfortunately, I won't be able to test
this, as I don't have access to the computer anymore (it is now with my
ex-partner).

If, on the other hand, I could test it with a computer that has an hybrid Intel
Sandybridge + an AMD Radeon board (I sincerely don't have any clue on how the
switching between the cards happen or if I am only using one and not the
other), then I can do whatever you want me to.

On a second note, it does not seem to have been picked up by any of the
released trees that I have seen so far... Should I probe someone to get this
included, at least downstream?

Thanks,

Rogério.

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