Hmm, bummer that didn't turn up anything useful. Well, one other possible thing to try. There's another hangtimer check failed bug for this hardware, bug #761065, which has a fix identified. Try booting this kernel:
http://people.canonical.com/~acelan/bugs/lp753189/ If that doesn't fix it, then try this kernel: http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next-proposed/ -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/766408 Title: [sandybridge-gt2] GPU lockup using xvmc (Render IPEHR: 0x02000004) _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp