I can confirm this as happening often when I use Rhythmbox in Quantal under VirtualBox 4.1.18, along with chromium-browser, sometimes.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1035619 Title: Display glitch just below the task bar when window is maximized To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1035619/+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