I think he got that, but something else must be going on, as for us plasma 5 is working fine with lightdm. Although I recall an issue at first instance (not sure now what was it). I would just recommend to try it again...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1386856 Title: Sddm-helper huge memory usage To manage notifications about this bug go to: https://bugs.launchpad.net/kubuntu-ppa/+bug/1386856/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs