It seems to be an Ubuntu specific bug https://bugs.kde.org/show_bug.cgi?id=259368#c1
What is the reason to use a different script from upstream? ** Bug watch added: KDE Bug Tracking System #259368 http://bugs.kde.org/show_bug.cgi?id=259368 -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdebase-workspace in ubuntu. https://bugs.launchpad.net/bugs/688393 Title: Global "X11/Xsession" script is not sourced in "kdm/Xsession" script -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs