Oops, following Martin's helpful pointers I see that it was down to one my home-brewed services that does not seem to like being run via systemd. Likely a problem of my own making.
Thanks for the help and sorry for the noise. ** Changed in: systemd (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1429143 Title: Slow shutdown after booting with systemd To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1429143/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs