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Message-ID: <20080526181216.GA12400@elte.hu>
Date: Mon, 26 May 2008 20:12:16 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
Cc: LKML <linux-kernel@...r.kernel.org>,
Netdev <netdev@...r.kernel.org>,
"David S. Miller" <davem@...emloft.net>,
"Rafael J. Wysocki" <rjw@...k.pl>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [bug] stuck localhost TCP connections, v2.6.26-rc3+
* Ilpo Järvinen <ilpo.jarvinen@...sinki.fi> wrote:
> > Active Internet connections (w/o servers)
> > Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
> > tcp 0 207232 europe:37198 europe:distcc ESTABLISHED 19578/distcc
> > tcp 0 0 europe:ssh dione:36284 ESTABLISHED -
> > tcp 0 0 europe:ssh e2:45910 ESTABLISHED -
> > tcp 72283 0 europe:distcc europe:37198 ESTABLISHED -
>
> Just to be sure (please forgive me if you find this nearly an insult
> :-)), did you have enough rights to find out the pid (ie., if that
> process not owned by you then you need superuser privs for that)?
yes, i ran netstat -p as root.
> > the socket does not seem to be owned. It should have closed down?
> > Refcounting issue?
>
> It's well possible that e.g., net namespaces have some bug in handling
> of orphaned tcp.
yes, that would match the symptoms i think. I half-assumed that it's a
state machine problem so i didnt even check what the reader does - and
in this case it appears to not exist at all anymore ;-)
Ingo
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