Thank you for reporting this bug. You are correct, there is no GUI to set login options for lightdm. Please edit /etc/lightdm/lightdm.conf to set those options. You can do that by opening a terminal, typing 'cd /etc/lightdm', then using 'sudo leafpad lightdm.conf' to open the file for editing.
** Changed in: xfce4-settings (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/876144 Title: xubuntu cannot configure login manager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-settings/+bug/876144/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs