This is most likely the X server crashing on logout, which is a driver issue.
** Package changed: kdebase-workspace (Ubuntu) => xserver-xorg-video-ati (Ubuntu) -- 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/767602 Title: kdm black screen after logout -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs