I suddenly have this problem as well, but neither ~/bin nor some optimus stuff is the culprit.
Ubuntu 14.04/utopic, Kde Plasma 5.2, amd64 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1373792 Title: Can't log in with one user, other user log in fine - "Could not start ksmserver, check your installation" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kde-workspace/+bug/1373792/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs