Curiously this gets fixed by https://github.com/systemd/systemd/commit/2cf088b . I now tried all combinations of setting wall messages or not, timed or immediate shutdown, and they now all work without crashes.
Curiously this gets fixed by https:/ /github. com/systemd/ systemd/ commit/ 2cf088b . I now tried all combinations of setting wall messages or not, timed or immediate shutdown, and they now all work without crashes.