Well, I turned the sync to blank option on compiz and corrected the refresh rate and the desktop is now usable. It was fast using Ubuntu on Virtualbox on Windows! Anyway, what I saw with glxgears is this: a constant framerate of 60fps! I don't know if this is a coincidence, but it appears to me that have, somewere, a frame rate limit misconfigured elsewere...
-- 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/763005 Title: Compiz's "Sync to Vblank" makes display stutter/slow with some drivers (like fglrx) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/763005/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

