Same thing had occurred again this morning when I returned to the PC. Looking at the log it occured not long after I left the machine the previous evening.
** Attachment added: "kern.log" http://launchpadlibrarian.net/24358010/kern.log -- Xorg dies due to nvidia (non-free) kernel oops after being left idle for some time https://bugs.launchpad.net/bugs/342785 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