I upgraded Xorg and its drivers using the Xorg edgers PPA and now performance is good.
http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu http://ppa.launchpad.net/xorg-edgers/drivers-only/ubuntu
I now have Xorg 1:7.4.3
I upgraded Xorg and its drivers using the Xorg edgers PPA and now performance is good.
http:// ppa.launchpad. net/ubuntu- x-swat/ x-updates/ ubuntu ppa.launchpad. net/xorg- edgers/ drivers- only/ubuntu
http://
I now have Xorg 1:7.4.3