I'm having the same problem with Ubuntu Classic but only since a fresh install of Natty. I've added a log to possible duplicate bug 784936
-- 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/781788 Title: Xorg crash randomly since upgrade to Natty _______________________________________________ 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