maybe you need to disable compiz, or another composite manager. Check your desktop settings. I remember that Bruno had to disable this for yade.
-- Janek Kozicki | _______________________________________________ Mailing list: https://launchpad.net/~yade-users Post to : yade-users@lists.launchpad.net Unsubscribe : https://launchpad.net/~yade-users More help : https://help.launchpad.net/ListHelp