This appears to happen in Lucid as of 4/21/2010. Only by changing the maximum screen size via Virtualsize in xorg.conf can Xrandr appropriately setup multiple screens.
-- xrandr reports incorrect maximum screen size https://bugs.launchpad.net/bugs/449867 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to fglrx-installer in ubuntu. _______________________________________________ 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

