Don't know how I didn't see this before, but the constant re-spawning of gdm is logged in syslog. Unfortunately, there isn't much information on _why_ gdm was failing.
-- gdm upstart script fails to start gdm https://bugs.launchpad.net/bugs/430494 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs