Just adding that the same gnome-power-management change on the Radeon box seems to have helped just as it did with the Matrox box.
-- Screensaver freezes on Dapper (ATI Radeon 8500 LE) https://launchpad.net/bugs/38181 -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
