Looking at the logs this isn't a fault with SDDM but X is crashing on login returning us to SDDM
** Summary changed: - SDDM autologin does not always work on live image + X crashes on some runs of Kubuntu live image -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1436952 Title: X crashes on some runs of Kubuntu live image To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sddm/+bug/1436952/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs