I get the very same behavior on my lenovo X200s using current 11.04. I am not sure if Xorg is the problem. It might be Unity.
I got the impression that it appears less since I disabled screensaver and screen locking mechanism. -- 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/788543 Title: Segmentation fault on Lenovo Thinkpad X200s To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/788543/+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

