(In reply to fdb4c415 from comment #222) > VM fault (0x04, vmid 1) at page 30481, read from DMA1 (61) > > I have the latest debian test 64 bit installed: There's a good chance that a newer upstream version of Mesa would help for your problem, if not fix it completely. For those still having problems, the kernel patches http://lists.freedesktop.org/archives/dri-devel/2015-January/074968.html and http://lists.freedesktop.org/archives/dri-devel/2015-January/074969.html might be worth a try.