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 Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs