From owner-freebsd-current@FreeBSD.ORG  Sat Jun 18 21:23:19 2005
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
X-Original-To: freebsd-current@FreeBSD.org
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 20E3B16A41C;
	Sat, 18 Jun 2005 21:23:19 +0000 (GMT)
	(envelope-from ssouhlal@FreeBSD.org)
Received: from efnet-math.org (efnet-math.org [69.60.109.125])
	by mx1.FreeBSD.org (Postfix) with ESMTP id BB60E43D1D;
	Sat, 18 Jun 2005 21:23:18 +0000 (GMT)
	(envelope-from ssouhlal@FreeBSD.org)
Received: from [192.168.1.12] (63-170-138-118.cst-sg.blacksburg.ntc-com.net
	[63.170.138.118]) (authenticated bits=0)
	by efnet-math.org (8.13.1/8.13.1) with ESMTP id j5ILNFVY003127
	(version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NO);
	Sat, 18 Jun 2005 17:23:16 -0400
In-Reply-To: <20050618171216.GA661@gothmog.gr>
References: <20050618171216.GA661@gothmog.gr>
Mime-Version: 1.0 (Apple Message framework v730)
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
Message-Id: <38B71BBE-6E71-43F5-AD70-1C0FE29F8A08@FreeBSD.org>
Content-Transfer-Encoding: 7bit
From: Suleiman Souhlal <ssouhlal@FreeBSD.org>
Date: Sat, 18 Jun 2005 17:23:08 -0400
To: Giorgos Keramidas <keramida@FreeBSD.org>
X-Mailer: Apple Mail (2.730)
Cc: Jun Kuriyama <kuriyama@imgsrc.co.jp>,
	Current Current <freebsd-current@FreeBSD.org>, Xin LI <delphij@FreeBSD.org>
Subject: Re: panics with today's current
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 18 Jun 2005 21:23:19 -0000

Hi,

On Jun 18, 2005, at 1:12 PM, Giorgos Keramidas wrote:

> Today's current panics whenever I try to build mail/procmail a little
> after the following appears on the screen:
>
> Jun 18 19:50:13 gothmog kernel: Acquiring lockmgr lock "ufs" with  
> the following non-sleepable locks held:
> Jun 18 19:50:13 gothmog kernel: exclusive sleep mutex vnode  
> pollinfo r = 0 (0xc1ebc000) locked @ /usr/src/sys/kern/kern_event.c: 
> 881

Jun Kuriyama and Xin LI have reported this in the past week.
The patch at http://people.freebsd.org/~ssouhlal/testing/ 
knlist_locking-20050618.diff should fix this. Can you please give it  
a try?


--
Suleiman Souhlal     | ssouhlal@vt.edu
The FreeBSD Project  | ssouhlal@FreeBSD.org