I confirm I see this behavior on a fresh installation of Ubuntu 16.04 LTS. The variable $SESSION_MANAGER isn't set. If I log out or shut down the system with Firefox running, Firefox always shows a message about a previous crash and a button to restore the session.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1662281 Title: Firefox shows post-crash page after reboot or logoff To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-session/+bug/1662281/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs