Had a similar crash to what undefineddecoder mentioned, ran ubuntu-bug xorg and created the following report: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1405955
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/586243 Title: Xorg freeze: "Failed to schedule IB" Radeon X1200 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/586243/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs