Since it's affecting both xorg and framebuffer I'm guessing kernel problem. Can you please try with the latest kernel: http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.33-rc6/ Just to make sure it hasn't already been fixed.
-- [HD4550] Xorg freeze https://bugs.launchpad.net/bugs/518309 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-radeonhd 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