Adding this PPA seems to have helped me: https://launchpad.net/~ubuntu-x-swat/+archive/x-updates
No more errors after installing those updates. -- GDM logs out / disconnects user randomly https://bugs.launchpad.net/bugs/511095 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. _______________________________________________ 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