I believe this has to do with the hostname changing during lightdm start and login. The connection to the X server fails somehow.
I posted some details on https://bugs.launchpad.net/ubuntu/+source /lightdm-gtk-greeter/+bug/1677058 before I found this bug here. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1422794 Title: lightdm-gtk-greeter crashed with SIGSEGV in cairo_surface_get_type() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm-gtk-greeter/+bug/1422794/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs