Not a bug anymore. Did not happen again after kubuntu dapper 6.06.1 And it did not happen under edgy eft knot 1 to 3.
This had probably something to do with crashes as sudo. -- User cannot log on https://launchpad.net/bugs/39539 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs