From owner-freebsd-stable@FreeBSD.ORG  Sun Jan 13 20:11:54 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 0BD9116A41A
	for <freebsd-stable@freebsd.org>; Sun, 13 Jan 2008 20:11:54 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28])
	by mx1.freebsd.org (Postfix) with ESMTP id 1E64213C455;
	Sun, 13 Jan 2008 20:11:52 +0000 (UTC)
	(envelope-from kris@FreeBSD.org)
Message-ID: <478A7087.6020908@FreeBSD.org>
Date: Sun, 13 Jan 2008 21:11:51 +0100
From: Kris Kennaway <kris@FreeBSD.org>
User-Agent: Thunderbird 2.0.0.9 (Macintosh/20071031)
MIME-Version: 1.0
To: Toomas Aas <toomas.aas@raad.tartu.ee>
References: <1199812249.96494.133.camel@predator-ii.buffyverse>	<4783C8A8.2090705@raad.tartu.ee>	<4783D41B.3000204@FreeBSD.org>	<4783D748.1050401@raad.tartu.ee>	<4783D824.1050502@FreeBSD.org>	<4783DB72.6030605@raad.tartu.ee>
	<4783DCAA.1080108@FreeBSD.org>	<47851247.1020306@raad.tartu.ee>
	<4785186E.4070609@FreeBSD.org>	<47852EFF.8000103@raad.tartu.ee>
	<478530FC.8090701@FreeBSD.org>	<478531C4.10909@raad.tartu.ee>
	<4785334F.205@FreeBSD.org> <47866B15.5070002@raad.tartu.ee>
	<47867FAD.9050701@FreeBSD.org> <478A34A2.8050608@raad.tartu.ee>
In-Reply-To: <478A34A2.8050608@raad.tartu.ee>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-stable@freebsd.org, Wayne Sierke <ws@au.dyndns.ws>
Subject: Re: 6.3-PRERELEASE desktop system periodically freezes momentarily
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: Sun, 13 Jan 2008 20:11:54 -0000

Toomas Aas wrote:
> Kris Kennaway wrote:
>>
>> sysctl debug.mutex.prof.enable=1
>> ... trigger hang ...
>> sysctl debug.mutex.prof.enable=0
>>
>> and send me the output of
>>
>> sysctl debug.mutex.prof.stats
> 
> The output is here:
> http://www.raad.tartu.ee/~toomas/mutex_stats.txt

This one also shows giant contention from the syncer and your mouse 
pointer that should also be fixed by updating to 7.0.

Kris