[Bug 84104] Ring hang with geometry shaders on SNB

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84104

--- Comment #7 from Jason Ekstrand <jason at jlekstrand.net> ---
(In reply to comment #2)
> (In reply to comment #0)
> > The following two piglit tests cause a ring hang with the new SNB goemetry
> > shader code:
> > 
> > spec/glsl-1.50/execution/geometry/primitive-id-restart
> > GL_TRIANGLE_STRIP_ADJACENCY ffs
> > 
> > spec/glsl-1.50/execution/geometry/primitive-id-restart
> > GL_TRIANGLE_STRIP_ADJACENCY other
> 
> I assume this happens without this commit in piglit, right?
> 
> commit f43d2550178ddf75aa70983df73adb26c5ef5352
> Author: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
> Date:   Wed Sep 17 10:58:44 2014 +0200
> 
>     glsl-1.50-geometry-primitive-id-restart: Add workaround for Intel
> SandyBrige
>     
> 
> That commit is a work around for this hang and at least in my case and
> Samuel's it is sufficient to avoid running into it. Is that your case or are
> you hitting this even with that commit in piglit?

Yes, it was without that commit.

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