boot hang at the loopback interface in rawhide?

Lennart Poettering mzerqung at 0pointer.de
Mon Jan 17 21:32:40 UTC 2011


On Thu, 13.01.11 22:59, Matthew Miller (mattdm at mattdm.org) wrote:

> For some reason, boot is hanging with today's rawhide update -- I get stuck
> at "Bringing up loopback interface". Oddly, if I boot into runlevel 1, lo is
> there just fine. (But if I telinit 5 from there, it immediately tries to
> bring it up again and hangs.) Is anyone else seeing this or is it a one-off
> quirk?

Not sure if this is helpful in any way, but just wanted to mention this
here: since the configuration of the loopback device is basically static
and more an API feature of the OS than subject to configuration by the
administrator we actually configure the loopback device in C code from
PID 1 as one of the first things during early boot. The iface will
already be up (for both IPv4 and IPv6) at the time we spawn the first
process.

In the long run network configuration systems such as NM or the old
network scripts should probably stop touching the interface at all and
just assume that it is there and working. In fact, every process on the
system may rely on that now.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.


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