On Wed, Aug 07, 2013 at 01:15:28PM +0200, Tom Gundersen wrote: > It is correct that systemtl poweroff is synchronous, but using telinit > or --no-block will avoid that. Are you sure about telinit ? It was the first thing I tried, assuming it would asynchronous. But the man page says nothing about it using --no-block. > > but a dead-lock: systemd waits for the ssh session > > to finish to go on with the poweroff, and the ssh session waits for the > > poweroff to finish until it returns. And those are precisely the situations > > where "--no-block" is useful. > > Actually, you don't get this deadlock. ssh will shutdown just fine > even if you have some command (such as systemctl) running. > > The reason for the problem you are seeing here is that the network is > torn down before ssh is shutdown. This isn't actually a big problem, > as the remote machine is shutting down just fine. The only problem is > that the ssh client ends up hanging, which is annoying, but not really > critical (kill it/ignore it/whatever). The shutdowns are called from a script which is supposed to continue... Ciao, -- FA A world of exhaustive, reliable metadata would be an utopia. It's also a pipe-dream, founded on self-delusion, nerd hubris and hysterically inflated market opportunities. (Cory Doctorow)