Complete loss of network on 6_STABLE

Bill Moran wmoran at
Sat Apr 14 01:03:10 UTC 2007

Drew <cotharyus at> wrote:
> A little more on this, because now I am really stumped. I have taken known
> good source, and moved it via CD to this machine. I rebuilt, and it exhibits
> exactly the same behavior, with both my kernel, and GENERIC. Pinging an IP
> on my lan results in ping: sendto: host is down. There are no active
> firewalls on this machine. When I ping another IP on the network, activity
> happens on the switch. I have swapped NIC's to a known working one from
> another machine, and it behaves identically. I have changed ports on the
> switch. About the only thing I haven't done is reinstall (which reminds me,
> I have a Freesbie disc around here somewhere to try) - but I'd rather that
> was a last resort. Meaning I'm open to any suggestions anyone might have
> about this.

I'm coming to this thread a little late, so I apologize if this
information has already been passed around.

Can you provide ifconfig -a, netstat -m, netstat -s, netstat -rn output
on the troubled system.

> On 4/12/07, Drew <cotharyus at> wrote:
> >
> > I have a 6 stable box that I cvsup'd at around 5:15am central US time this
> > morning. I did a buildworld and buildkernel on it after checking the
> > UPDATING file and finding nothing since 6.2 release, ran mergemaster and
> > rebooted, so I was a little surprised when it never came back. Once I gained
> > physical access to the box, I discovered it had no apparent ability to open
> > a sock - neither unix, nor udp nor tcp. I can ping localhost, but not other
> > IP's on my network. X tells me is a bad display name.
> > So I need to know how to get things back up and running. Is this a known
> > problem that has been fixed, or have I stumbled across something no one else
> > has seen? As a side note, I have to give major props to all the developers -
> > it sounds like my situation is really bad, but this is the first major
> > problem I've had in over 7 years of tracking -STABLE of one version or
> > another. Let me know if I can just cvsup another 6-stable box and burn it to
> > a disc and copy it off on here, or what I need to do to fix this, because
> > I'm lost. For the record:
> >
> > mergemaster -p
> > make buildworld
> > make buildkernel KERNCONF=mykernel
> > make installworld
> > make installkernel KERNCONF=mykernel
> > mergemaster -a
> > reboot
> >
> > came up with no sockets. At this point:
> >
> > rm -rf /usr/obj
> > make clean
> > make buildworld ...etc - still no sockets.
> >
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Bill Moran

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