Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754324AbYANQPz (ORCPT ); Mon, 14 Jan 2008 11:15:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751531AbYANQPo (ORCPT ); Mon, 14 Jan 2008 11:15:44 -0500 Received: from turing-police.cc.vt.edu ([128.173.14.107]:37607 "EHLO turing-police.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750759AbYANQPn (ORCPT ); Mon, 14 Jan 2008 11:15:43 -0500 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Andrew Morton Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: 2.6.24-rc6-mm1 - oddness with IPv4/v6 mapped sockets hanging... In-Reply-To: Your message of "Sun, 13 Jan 2008 02:35:33 EST." <30887.1200209733@turing-police.cc.vt.edu> From: Valdis.Kletnieks@vt.edu References: <30887.1200209733@turing-police.cc.vt.edu> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1200327338_3131P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Mon, 14 Jan 2008 11:15:38 -0500 Message-ID: <7197.1200327338@turing-police.cc.vt.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1325 Lines: 35 --==_Exmh_1200327338_3131P Content-Type: text/plain; charset=us-ascii On Sun, 13 Jan 2008 02:35:33 EST, Valdis.Kletnieks@vt.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. --==_Exmh_1200327338_3131P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFHi4qqcC3lWbTT17ARAuYSAKCWuGdoG2L7WQouMM8j0JydjkEJpQCg7qmT u0koDo54Oa1lLgWWNRCVaec= =F8Rx -----END PGP SIGNATURE----- --==_Exmh_1200327338_3131P-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/