Your backtrace suggests that X is being killed with a SIGQUIT signal. We had this problem earlier in the Lucid development cycle, and it was caused by an interaction between X and plymouth.
I notice you've got a non-standard “console=tty1” option on your kernel command line. Does this behaviour persist if you use the just the standard “quiet splash” kernel command line options? -- random Xorg crash https://bugs.launchpad.net/bugs/620278 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
