Please try adding backtrace information for the developers, like your /var/log/Xorg.0.log.old after the logout happens in order to pinpoint the problem and find a reliable method to reproduce it. https://wiki.ubuntu.com/X/Backtracing
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/778490 Title: Random logout after upgrading to Natty Narwhal 11.04 _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp