Yet, another fix for Ubuntu Jaunty. I have a Sony Vaio FW with a ATI Mobility Radeon HD 3400 Series and compiz works with the fglrx driver.. but it doesn’t work very well. It lags when minimizing/maximizing windows and it also lags on a window resize. The Solution?
Ubuntu-X Swat team PPA! They have a PPA called XServer with no backfill functionality. This is all you need! Added the repositories to /etc/apt/sources.list update, upgrade and your’re done!