Short: Select menu -> Leave -> Logout (out of Logout, Turn off, Restart, etc) and you're presented (again) with the leave dialog box that gives you the same options. (Logout/Turn off/Restart/Cancel). IMHO, if logout was indeed selected, the main dialog box should OK/Cancel - nothing else. Version: kdebase-workspace-4.0.3-5.
expected behavior I'm afraid, I can dig up the upstream bug/rfe on that if you want.
Well, if some other distro feels this is worth patching, we could snatch their patch...
*** This bug has been marked as a duplicate of 439639 ***