I was able to reproduce the bug with xorg-x11-server 1.9.99.1-2.20101201 shipped as part of Fedora rawhide.
Just download the KDE live cd, and start the holer testcase. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/325074 Title: Window redrawing does not work properly with KDE4 taskbar tooltips. To manage notifications about this bug go to: https://bugs.launchpad.net/kde-baseapps/+bug/325074/+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