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