[Bug 67016] New: Lockup on piglit test vs-textureSize-compare with AMD 6950

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67016

          Priority: medium
            Bug ID: 67016
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Lockup on piglit test vs-textureSize-compare with AMD
                    6950
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: g02maran at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: DRI CVS
         Component: DRM/Radeon
           Product: DRI

I'm running kernel http://cgit.freedesktop.org/~agd5f/linux/?h=drm-fixes-3.11
with latest commit 444bddc4b9b3313a562cd3ba40f780fb82570f7d and mesa master
with latest commit e4fdf1b008ce29c5b5a52985c586b61f35d31e4c

When I run spec/glsl-1.30/execution/vs-textureSize-compare my system locks up.
I can't reboot or ssh into it, I have the power cycle the machine to reset it.

Nothing is printed to dmesg before it hangs. I have tried both with and without
radeon.dpm=1, no difference.

I did a bisect and it identified this commit:
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.11&id=1c01103cb90197900beb534911de558d7a43d0b3

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