for what it worth, I was having the same issues using kernel 3.18.2-031802-generic (amd64) from http://kernel.ubuntu.com/~kernel-ppa/mainline/
I've updated to kernel 3.19.8-031908-generic (amd64) and I no longer get "ERROR* gpu hanging too fast, banning" or [drm] GPU HANG... Ronan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1282867 Title: Frequent hang and render glitches in Xorg, caused by SNA To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1282867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
