I think this has something to do with xscreensaver, since it occurs when I am away from my desk. I have now killed xscreensaver (obviously not ideal) and it has not happened since.
-- Since Edgy upgrade X crashes intermittently https://launchpad.net/bugs/70054 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
