[Bug 84104] Ring hang with geometry shaders on SNB

[bugzilla-daemon at freedesktop.org]

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

--- Comment #2 from Iago Toral <itoral at igalia.com> ---
(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?

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