This is also affecting to me. It may be something similar to this other bug https://bugs.kde.org/show_bug.cgi?id=264200 , so apparently it seems a bug related to downstream packaging.
** Bug watch added: KDE Bug Tracking System #264200 http://bugs.kde.org/show_bug.cgi?id=264200 -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase in Ubuntu. https://bugs.launchpad.net/bugs/766145 Title: KDM resets system settings from custimized to defult value -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
