Based off the information you've provided this sounds like an Xorg bug. I'd recommend checking your /var/log/Xorg.log files and your /var/log/syslog file to get some more information about the error. I'm reassigning this bug to xorg.
** Package changed: ubuntu-meta (Ubuntu) => xorg (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/847438 Title: gdm session randomly ends To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/847438/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
