If disabling Sync To VBlank fixes the performance problem then you're seeing bug 763005.
** Tags added: might-be-763005 -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/780007 Title: [Natty] Stuttering video playback To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/780007/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp
