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Date: Mon, 14 Jan 2008 11:15:38 -0500
From: Valdis.Kletnieks@...edu
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: 2.6.24-rc6-mm1 - oddness with IPv4/v6 mapped sockets hanging...
On Sun, 13 Jan 2008 02:35:33 EST, Valdis.Kletnieks@...edu said:
> I'm seeing problems with Sendmail on 24-rc6-mm1, where the main Sendmail is
> listening on ::1/25, and Fetchmail connects to 127.0.0.1:25 to inject mail it
> has just fetched from an outside server via IMAP - it will often just hang and
> not make any further progress. Looking at netstat shows something interesting:
>
> % netstat -n -a -A inet | grep 25
> tcp 0 5108 127.0.0.1:59355 127.0.0.1:25 ESTABLISHED
The IPv6 is apparently a red herring - this morning I'm seeing the same problem
with another totally separate pair of programs that are IPv4-only, hanging
on loopback.
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