The workaround "Disable DFP...(name of your screen) -> Force Full Gpu Scaling" as mentioned by michael.gregor in post #45 worked for me, but I must add to this bug report that this bug also occurs when using KWin (I use Kubuntu and KDE 4.7 Oneiric), so it's not restricted to Compiz + NVidia.
** Also affects: kde-workspace (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/600178 Title: Screen tearing when dragging window, in videos and other large screen redraws (on nVidia GPU) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/600178/+subscriptions _______________________________________________ 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