The memory leak is in the "Power Management" kded4 service. See https://bugs.kde.org/show_bug.cgi?id=271934#c15 for the upstream bug report.
** Bug watch added: KDE Bug Tracking System #271934 http://bugs.kde.org/show_bug.cgi?id=271934 -- 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/747719 Title: kded4 eats memory like mad -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs