I have noticed exactly the same problem, just replace AMD with NVidia and its just the same. I suspect a Xorg problem with this rather than an AMD one.
** Attachment added: "Reveleant information from kern.log" http://launchpadlibrarian.net/34316335/kern.log ** Also affects: xorg (Ubuntu) Importance: Undecided Status: New -- System has encountered access violation crash in kernel and has locked up. https://bugs.launchpad.net/bugs/436326 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in ubuntu. _______________________________________________ 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
