This issue is solved with the 8.632 build from ati. I ran the ati-driver-installer-9-4-x86.x86_64.run --buildpkg Ubuntu/jaunty Build went fine, and I then installed the deb packages the installer generated.
-- [HD 4870] Power-off and power-on of monitors in multiheaded fglrx xorg configuration causes X freeze https://bugs.launchpad.net/bugs/370051 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server 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