[Bug 33309] [855GM] GPU freeze due to overlay hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33309

--- Comment #16 from stefan <fdo.12.bendus at xoxy.net> 2012-04-26 07:48:56 PDT ---
(In reply to comment #15)
> > --- Comment #14 from stefan <fdo.12.bendus at xoxy.net> 2012-03-26 13:17:45 PDT ---
> Just add
> #define MI_WRITE_NOPID_REG (1 << 22)
> somewhere.
> Yours, Daniel

Hi Daniel,

sorry for answering so late. I had a few hangs with 3.3.0 with this patch
until I realised that I had relaxed fencing enabled (which I enabled out
of curiosity at some point). Since then I went back to a plain config and
had a GPU hang with the vanilla 3.3.3, I can attach the error state output
if you think it can still be useful.

The good news is that 3.3.0 with this patch seems stable, and I am still
testing 3.3.3 with this patch and will report back if I manage to hang the
GPU (or not).

Cheers,
Stefan.

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