this is still a problem in latest edgy (I dist-upgraded from dapper yesterday).
Removing /etc/xdg/menus/debian-menu.menu fixed for me for now. -- gnome-panel eats 50% cpu for half an hour and flickers https://launchpad.net/bugs/52405 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
