From owner-freebsd-questions@FreeBSD.ORG  Sun Oct 23 12:03:16 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 6211016A41F
	for <freebsd-questions@freebsd.org>;
	Sun, 23 Oct 2005 12:03:16 +0000 (GMT) (envelope-from mtmi@o2.pl)
Received: from rekin14.go2.pl (rekin14.go2.pl [193.17.41.35])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 027DE43D45
	for <freebsd-questions@freebsd.org>;
	Sun, 23 Oct 2005 12:03:15 +0000 (GMT) (envelope-from mtmi@o2.pl)
Received: from poczta.o2.pl (rekin [127.0.0.1])
	by rekin14.go2.pl (o2.pl Mailer 2.0.1) with ESMTP id 6868021405C;
	Sun, 23 Oct 2005 14:03:13 +0200 (CEST)
From: =?iso-8859-2?Q?Micha=B3_T._Mas=B3owski?= <mtmi@o2.pl>
To: =?iso-8859-2?Q?Kris_Kennaway?= <kris@obsecurity.org>
Date: Sun, 23 Oct 2005 14:03:13 +0200
Content-Type: text/plain; charset="iso-8859-2";
Content-Transfer-Encoding: 8bit
X-Mailer: o2.pl WebMail v5.28
X-Originator: 81.219.200.34
In-Reply-To: <20051001155714.GC64006@xor.obsecurity.org>
References: <200510011150.55330.mtmi@o2.pl> 
	<20051001155714.GC64006@xor.obsecurity.org>
Message-Id: <20051023120313.6868021405C@rekin14.go2.pl>
Cc: freebsd-questions@freebsd.org
Subject: Re: vrele: negative ref cnt
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 23 Oct 2005 12:03:16 -0000

> > When I turn off the computer by halt, halt -p or something else,
usually it 
> > shows kernel panic with "vrele: negative ref cnt". What should I do?
> > I'm using FreeBSD 5.4-p7.
> 
> Try updating to -stable, or try the 6.0 beta.  If the problem
> persists, follow the advice in the chapter on kernel debugging in the
> developers handbook.
> 
> Kris
> 

Thank for your advice. I will try updating, but I think that the
problem is with the hard disk.

It occurs only when device of file system which is being unmounted
has read errors.
What else should I do except from changing the faulty disk?