Ati 9550. Some 3D Screensavers after while freezes the System (Dapper). Not only in full screen, but also in setting of screen savers. Time to freeze is quite random from several seconds to several minutes. The only way to to end this is a reeboot.
-- Screensaver freezes on Dapper (ATI Radeon 8500 LE) https://launchpad.net/bugs/38181 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
