Re: Network devices "go bad" a lot in Wheezy
On Sat, Jul 12, 2014 at 8:24 PM, Steve Litt <slitt@troubleshooters.com> wrote:
> :-)
>
> Yeah, you read the subject right. Let me explain...
>
> Debian (Wheezy 7.5) is the first distro I've seen where this happens.
> You reboot, and eth0 doesn't work and neither does lo. It's
> intermittent enough I can't give you an exact reproduction sequence.
In my case, it's generally because the ethernet cable has slipped out
of its socket.
It may happen more often just before my yearly spring cleaning of the
inside of the box (vacuuming, re-seating, etc.).
> Sometimes its one, sometimes it's the other, sometimes it's both.
>
> Especially when lo goes bad (whatever that turns out to mean), you get
> really strange symptoms happening. I think it messed up my sound, which
> I wrongly fixed by uninstalling Pulseaudio. Lack of a functional lo
> ruins my Dovecot IMAP's connectivity. It does a lot of other bad stuff
> that doesn't scream "Your lo is bad!".
>
> Anyway, I do the following as root:
>
> ifdown lo
> ifup lo
I haven't tried that, but I've found I've sometimes had to bring eth0
down and back up, even after plugging the ethernet cable back in.
> And then the weird symptoms go away. Sometimes I need to do this for
> eth0 too.
>
> So, if you start having weird stuff happen, just for fun, ifdown and
> ifup lo, and see if it changes anything.
Next time, I'll have to try to remember to try lo first.
--
Joel Rees
Be careful where you see conspiracy.
Look first in your own heart.
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