If i modify the xserver to run with no acpi the issue does not occur, however disabling acpi is not an optimal solution.
-- Close laptop lid and X resets (power managment set to do nothing. Only in Edgy) https://launchpad.net/bugs/68870 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs