This problem resolved for me on several computers when I installed the stable xorg stack from the x-updates ppa:
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates -- xorg is jerky, uses too much cpu, small display bugs https://bugs.launchpad.net/bugs/653851 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp