It happens to me regardless of whether compsiting is enabled or not. I'm using nvidia-current with nVidia 250GT. I enabled vsync of the nVidia panel, which solved it under Lucid, but didn't help with Natty.
-- 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) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs