Nvidia proprietary driver version 256.35 claims to fix this issue. See: http://www.nvidia.com/object/linux-display-amd64-256.35-driver.html
Quote: Fixed an interaction problem between Compiz and 'screen-scraping' VNC servers like x11vnc and vino that caused the screen to stop updating. Fixes Launchpad bug #353126. -- Compiz / vnc screen refresh with nvidia-restricted driver/VirtualBox/ATI fglrx driver using X.org https://bugs.launchpad.net/bugs/353126 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs