Alt-tabbing & maximize/unmaximize became slow in Ubuntu 9.04/fglrx 9-4

[bugmenot]

alt+tab and minimizing slow on ubuntu jaunty flgrx 4850

[peppo]

Upgrade to 9.5 and/or get the no-backfill xserver PPA here: https://edge.launchpad.net/~ubuntu-x...er-no-backfill