BIND 9.4.3-P1: internal_send: 199.7.83.42#53: Device not configured, where 199.7.83.42 is RANDOM IP address

[Mark Andrews]

In message <497B9FF4.30605 at FreeBSD.org>, Doug Barton writes:
> Lev Serebryakov wrote:
> > Hello, Freebsd-stable.
> > 
> >   BIND on my new router (7.1-STABLE, BIND 9.4.3-P1) shows bunch of
> > errors on every start and doesn't answer on requests for 30-60 seconds
> > after that. Errors are like this:
> 
> It's not necessary or desirable to paste in so many examples of the
> same message. It's also not good to cross post the same message to
> multiple lists.
> 
> > Jan 24 12:18:12 gateway named[1455]: /usr/src/lib/bind/isc/../../../contrib
> /bind9/lib/isc/unix/socket.c:1567: unexpected error:
> > Jan 24 12:18:12 gateway named[1455]: internal_send: 193.0.14.129#53: Device
>  not configured
> 
> That message is fairly clear, the system has told named that it can
> talk to the outside world, but there isn't anything there for named to
> talk to. As you already pointed out in another message, the IP
> addresses are for the root name servers. The first thing named does
> when it starts up is to verify the information in the hints file.
> 
> >   Main problem is, that mount_nfs failed on startup on this router
> > because bind is not ready due to these errors and all system goes to
> > single-user mode :(
> 
> Any time you are using NFS you should maintain the addresses of the
> critical hosts in /etc/hosts. Yes, I realize that's anachronistic
> (especially for a DNS guy) but it works. Obviously you should make
> sure to update them as needed.

Or keep a local copy of the zone which contains them.

If you have a copy in /etc/hosts there should be procedures to keep
/etc/hosts in sync with the DNS.

> >   Computer is Soekris net5501, with 6 network interfaces (vr0-vr3 on
> > board, em0 and ath0 attached). Only vr0 and vr1 are used, but adding
> > fake addresses to vr2 and vr3 doesn't help at all.
> > 
> >  Also, mpd5 creates two NG interfaces (ng0 and ng1) on startup to connect t
> o two
> > providers.
> > 
> >  But previous installation (on faster hardware) doesn't show these
> > errors at all!
> 
> I've never used mpd myself, but you might want to try adding the
> following line to /usr/local/etc/rc.d/mpd and see if it helps:
> 
> # BEFORE: named

mpd should also be fixed as the error code being returned is not
approprate.  network unreachable is what should be returned.

> Doug
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org