update: although I am using XLock screen locker, those zombies are created automatically....
possibly related to messages like this in /var/log/auth.log (are those zombies over critical mass and multiplicating themselves??) Jan 2 20:59:58 computer su[24373]: pam_unix(su:session): session closed for user username Jan 2 21:00:24 computer su[24527]: Successful su for username by root Jan 2 21:00:24 computer su[24527]: + ??? root:username Jan 2 21:00:24 computer su[24527]: pam_unix(su:session): session opened for user username by (uid=0) Jan 2 21:00:24 computer su[24527]: pam_unix(su:session): session closed for user username Jan 2 21:00:52 computer su[24694]: Successful su for username by root Jan 2 21:00:52 computer su[24694]: + ??? root:username Jan 2 21:00:52 computer su[24694]: pam_unix(su:session): session opened for user username by (uid=0) Jan 2 21:00:52 computer su[24694]: pam_unix(su:session): session closed for user username Jan 2 21:01:19 computer su[24857]: Successful su for username by root Jan 2 21:01:19 computer su[24857]: + ??? root:username Jan 2 21:01:19 computer su[24857]: pam_unix(su:session): session opened for user username by (uid=0) Jan 2 21:01:19 computer su[24857]: pam_unix(su:session): session closed for user username Jan 2 21:01:46 computer su[25017]: Successful su for username by root Jan 2 21:01:46 computer su[25017]: + ??? root:username Jan 2 21:01:46 computer su[25017]: pam_unix(su:session): session opened for user username by (uid=0) Jan 2 21:01:46 computer su[25017]: pam_unix(su:session): session closed for user username -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kde4libs in ubuntu. https://bugs.launchpad.net/bugs/515138 Title: kded4 (lucid, amd64) defunct on latop -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs