[arch-projects] [netctl][PATCH] Support dynamically appearing interfaces

Jouke Witteveen j.witteveen at gmail.com
Fri Feb 15 06:43:52 EST 2013

On Fri, Feb 15, 2013 at 10:40 AM, Thomas Bächler <thomas at archlinux.org> wrote:
> Am 14.02.2013 21:45, schrieb Jouke Witteveen:
>> On Tue, Feb 12, 2013 at 1:40 PM, Ivan Shapovalov <intelfx100 at gmail.com> wrote:
>>> If a profile is WantedBy=multi-user.target, it breaks init sequence
>>> if its interface is not immediately available at runtime
>>> (e. g. a cell-phone or USB modem).
>> Does this work? Is there a reason not to make the device the default trigger?
> That's an interesting question. You can always add a profile as a
> dependency to
>  /etc/systemd/system/sys-subsystem-net-devices-FOO.device.wants/
> and add
>  BindsTo=sys-subsystem-net-devices-FOO.device
> so it goes down when the devices vanishes. This is actually pretty nice
> if you think about it.
> But do we really want that? Some people may say that they only want
> their devices going up when they launch multi-user.target, but not when
> they launch rescue.target. It's a matter you should consider carefully.

Another option is to add everything to network.target.wants. Although
that might be a better place, it doesn't really solve the initial
problem. On the other hand: what is precisely the problem: the unit
just times out and is not supposed to block anything.

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