I have been usint the kernel from the linux-realtime package as opposed to the older linux-rt one I was using before, and so far I have not had a repeat of this crash, so for now that appears to have fixed the problem. Thanks Alessio.
-- BUG: scheduling while atomic: Xorg/0x00000001/4873, CPU#0 https://bugs.launchpad.net/bugs/540960 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs