From owner-freebsd-stable@FreeBSD.ORG  Mon Oct 27 12:29:12 2008
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id F13BC106567C
	for <freebsd-stable@freebsd.org>; Mon, 27 Oct 2008 12:29:12 +0000 (UTC)
	(envelope-from bzeeb-lists@lists.zabbadoz.net)
Received: from mail.cksoft.de (mail.cksoft.de [62.111.66.27])
	by mx1.freebsd.org (Postfix) with ESMTP id AADEB8FC08
	for <freebsd-stable@freebsd.org>; Mon, 27 Oct 2008 12:29:12 +0000 (UTC)
	(envelope-from bzeeb-lists@lists.zabbadoz.net)
Received: from localhost (amavis.str.cksoft.de [192.168.74.71])
	by mail.cksoft.de (Postfix) with ESMTP id 7F6B141C70C;
	Mon, 27 Oct 2008 13:10:05 +0100 (CET)
X-Virus-Scanned: amavisd-new at cksoft.de
Received: from mail.cksoft.de ([62.111.66.27])
	by localhost (amavis.str.cksoft.de [192.168.74.71]) (amavisd-new,
	port 10024)
	with ESMTP id Us70FAGpfZ9A; Mon, 27 Oct 2008 13:10:05 +0100 (CET)
Received: by mail.cksoft.de (Postfix, from userid 66)
	id 2F3B541C707; Mon, 27 Oct 2008 13:10:05 +0100 (CET)
Received: from maildrop.int.zabbadoz.net (maildrop.int.zabbadoz.net
	[10.111.66.10])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by mail.int.zabbadoz.net (Postfix) with ESMTP id 6633E44487F;
	Mon, 27 Oct 2008 12:09:53 +0000 (UTC)
Date: Mon, 27 Oct 2008 12:09:52 +0000 (UTC)
From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
X-X-Sender: bz@maildrop.int.zabbadoz.net
To: Jose Amengual <jose.amengual@gmail.com>
In-Reply-To: <D7875010-7269-4CDF-99CA-6357230B4CB5@gmail.com>
Message-ID: <20081027120802.G2978@maildrop.int.zabbadoz.net>
References: <D7875010-7269-4CDF-99CA-6357230B4CB5@gmail.com>
X-OpenPGP-Key: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org
Subject: Re: tcp_do_segment....again
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 27 Oct 2008 12:29:13 -0000

On Sun, 26 Oct 2008, Jose Amengual wrote:

Hi,

> The problem persist even in stable 7.0, 7.1-PRERELEASE and 7.0-P5 , the 
> postfix jail is living all the email in defer queue saying "Connection Time 
> Out"
>
> This server give service to 300 clients and the network load os high.
>
> is there any clue how to resolve this ?

sorry if I am not reading back various links which include mails I had
sent which are entirely unrelated.

So you are seeing TCP problems. And you are running with a firewall
enabled?

Have you tried tcpdumping and seeing what exactly goes wrong?

do you have any offload stuff enabled (as the subject suggests)? If so
what happens if you disable this?

/bz

-- 
Bjoern A. Zeeb              Stop bit received. Insert coin for new game.