Sounds like a dupe of lp #787821. X isn't crashing; something is listening to the enter key and forcing X to quit.
You should elaborate a bit more on your setup and steps to reproduce it. See if any of the details in the comments to bug 787821 match up with your experience. ** Package changed: xorg-server (Ubuntu) => plymouth (Ubuntu) -- 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/801014 Title: Xorg crashed with SIGQUIT To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/801014/+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

