https://bugs.freedesktop.org/show_bug.cgi?id=58666
--- Comment #4 from Tom Stellard tstellar@gmail.com --- Created attachment 74053 --> https://bugs.freedesktop.org/attachment.cgi?id=74053&action=edit Possible Fix
It looks like we were telling the backend that RV670 is an R700 GPU, when it is really an R600. R600 chips uses a slightly different instruction encoding. This patch should fix it, can you test?