I don't know why I never thought of doing this before but I just tried the open-source Nvidia driver and no white window problem. So it would appear to be a problem with the driver, rather than Compiz.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/752445 Title: Intermittent white window contents when maximizing/switching windows -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs