I can confirm this bug in Edubuntu. Most edubutnu apps are KDE based, it is happening on edgy. Not sure about feisty as I havn't tested that yet.
** Changed in: libwnck (Ubuntu) Status: Unconfirmed => Confirmed -- Gnome-panel flashing for kde apps on workspace change https://launchpad.net/bugs/78511 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs