Same problem with an ATI Card on Ubuntu 12.10 64bits. Updated Compiz 1:0.9.8.4+bzr3412-0ubuntu0.1. It happens with every driver, from the open-source to the closed latest beta.
** Attachment added: "cpuinfo+lspci+glxinfo" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/803296/+attachment/3453440/+files/cpuinfo%2Blspci%2Bglxinfo -- 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/803296 Title: [regression] Compiz Resize plugin: When "Default Resize Mode" = Normal, resizing is extremely slow and CPU intensive To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/803296/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

