(In reply to comment #9)
> Mesa is at latest git, however, my kernel wasn't at Linus' git, so that may
> be the issue, using HD 6950. I will try the newest kernel and if it doesn't
> work I'll create a new bug report.

Also, you could see if updating libdrm and/or ddx driver could help, there were
some commits for both of them in the last couple of weeks.