(In reply to comment #4)
> Are you sure it's the 2D tiling commit?  Does just reverting that commit fix
> the issue?  I think it's probably another commit.  Does your tree have:
> http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/
> ?id=39eac3104c2f08b4d78aab3f88fd104301eb4711
> Can you try again with git master?

Hello Alex,

I'm not sure, correct me if I'm wrong but Zaphod is for running seperate x
sessions on the same card?
I'm using a card per session.

anyway, I'll revert the patch and try, will report soon.