I ran ubuntu-bug linux and filed a new Bug: Bug #1058082, since I did not know how to add the information to this bug.
I can provoke the error simple by typing in "sudo adduser --uid 998 foo" in the gnome terminal. -- 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/999191 Title: X crashes with gnome-session: Fatal IO error 11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/999191/+subscriptions _______________________________________________ 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