From owner-freebsd-stable@FreeBSD.ORG  Wed Mar 30 16:45:11 2005
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 5E14616A4CE
	for <freebsd-stable@freebsd.org>;
	Wed, 30 Mar 2005 16:45:11 +0000 (GMT)
Received: from 163.com (smtp.163.com [202.108.44.204])
	by mx1.FreeBSD.org (Postfix) with SMTP id 24A9B43D54
	for <freebsd-stable@freebsd.org>;
	Wed, 30 Mar 2005 16:45:05 +0000 (GMT)	(envelope-from ncisoft@163.com)
Received: from [192.168.1.33] (unknown [61.232.4.245])
	by smtp1 (Coremail) with SMTP id G4CX_oLXSkJZBvkB.2
	for <delphij@delphij.net>; Thu, 31 Mar 2005 00:44:50 +0800 (CST)
X-Originating-IP: [61.232.4.245]
Date: Thu, 31 Mar 2005 00:44:51 +0800
From: Young Lee <ncisoft@163.com>
To: delphij@delphij.net
In-Reply-To: <1112175649.719.3.camel@spirit>
References: <20050330170214.CB41.NCISOFT@163.com>
	<1112175649.719.3.camel@spirit>
Message-Id: <20050331004245.CA76.NCISOFT@163.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8bit
X-Mailer: Becky! ver. 2.11.02 [en]
cc: freebsd-stable@freebsd.org
Subject: Re: FreeBSD 5.3 SMP freezes with MySQL 4.1
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.1
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: Wed, 30 Mar 2005 16:45:11 -0000

admin# sysctl -a | grep net.inet.tcp.sack
net.inet.tcp.sack.enable: 1

i use SMP kernel configuration from cvsup without any modification.

-- 
Young Lee


On Wed, 30 Mar 2005 17:40:49 +0800
Xin LI <delphij@frontfree.net> wrote:
> Hi, Young,
> 
> 在 2005-03-30三的 17:08 +0800，Young Lee写道：
> > the system is totally dead with the pannic message, and have 
> > to hard reset to reboot. even i reboot the server, it will crash in 
> > several minutes, because of hundreds of request is coming.
> > 
> > by refer to Klein's configuration and turn "debug.mpsafenet=0" 
> > in /boot/loader.conf, the server is stable so far, and it last 20 hours.
> 
> Have you tried disabling SACK? (net.inet.tcp.sack)?  BTW.  I think it
> might be helpful to show your kernel compiling configuration.
> 
> Cheers,
> -- 
> Xin LI <delphij delphij net>  http://www.delphij.net/