Lennart Poettering [2015-05-19 12:28 +0200]:
> > Note that it's a permanent state in containers where you don't
> > actually have udev.
> 
> NO! 
> 
> Martin, as mentioned earlier: current systemd will not bother with
> device units at all in containers, and they hence will not be in
> "tentative" state either.

Ok ok :) -- FTR, I can't personally stop people from misconfiguring their
containers to have writable /sys, I'm just the messenger here.

But we've seen that there are other situations where exactly the same
situation applies (plan9 in VM, device mapper, etc.): I. e. we have a
real-iron machine or VM (writable /sys) with devices which aren't in
/dev, and thus end up being tentative. Making a container with
writable /sys is just a convenient way to reproduce/test this, I'm not
saying it's an actual use case we need to optimize for.

So please consider my previous reply to replace "container" with
"situations with a mounted device not being in /dev".

Sorry for the confusion!

Martin
-- 
Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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