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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #18 from stefan <fdo.12.bendus at xoxy.net> 2012-05-14 13:52:54 PDT ---
(In reply to comment #17)
> On Thu, Apr 26, 2012 at 16:48,  <bugzilla-daemon at freedesktop.org> wrote:
> >
> > 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).
> 
> Please also check whether 3.3.0 without the patch still crashes,
> otherwise we don't really know whether it's the patch that fixes
> things.

Hi Daniel,
unfortunately, the patch doesn't seem to help.
I tested 3.3.3, 3.3.4, and 3.3.5 patched and unpatched.
Although, unlike in the OP, it takes a while for the gpu
to hang, sometimes hours. But I had hangs for both versions.

I captured some i915_error_states for the hangs, if you are
interested.

Cheers,
Stefan.

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