> Sorry, turns out the /etc/systemd/system service file needs to be a > symlink to trigger the bug. This will do it:
aha! and not only a symlink, but the target of the symlink needs to be outside the normal systemd service path locations, or it will reject loading it: root@lp1887744-f:/etc/systemd/system# ls -l test* lrwxrwxrwx 1 root root 13 Jul 20 18:17 test.service -> test@.service -rw-r--r-- 1 root root 76 Jul 20 18:14 test@.service root@lp1887744-f:/etc/systemd/system# journalctl --no-pager -q -b --grep test.service Jul 20 18:17:33 lp1887744-f systemd[1]: /etc/systemd/system/test.service: symlink target name type "test@.service" does not match source, rejecting. ** Changed in: systemd (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1887744 Title: systemd dumps core on starting service: Assertion 'u->instance' failed at src/core/load-fragment.c:4798 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1887744/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs