[Bug 99001] [HSW] GPU HANG: ecode 7:0:0x85dffffc, in glxspheres64 [4492], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99001

--- Comment #10 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to webstrand from comment #8)
> I was unable to get xorg to start without xf86-video-intel. I can invest
> some more time in figuring out what's wrong, if necessary.
> 
> However, I've installed a fresh copy of Ubuntu 14.04.4 on which I can also
> reproduce the GPU hang. I was able to successfully bisect the mainline
> kernel between v3.12 and v3.13.
> 
>     first bad commit: [b29c19b645287f7062e17d70fa4e9781a01a5d88] drm/i915:
> Boost RPS frequency for CPU stalls

False bisect result unfortunately.

(In reply to Kenneth Graunke from comment #7)
> (In reply to webstrand from comment #0)
> > Upon opening any program which uses OpenGL, the GPU hangs.
> 
> I'm not really sure what to say.  A lot of people use Archlinux with Haswell
> GT2 and OpenGL programs work just fine.  I suspect this is something
> specific to your setup, but I'm not sure what it would be.
> 
> It might be worth trying X with the modesetting driver instead of intel/SNA.
> I don't know that it's the problem, but that would eliminate one of the
> variables.  (Easiest way to accomplish this is to pacman -R
> xf86-video-intel).

Completely bogus and unhelpful.

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