From owner-freebsd-stable@FreeBSD.ORG  Fri Dec 24 08:21:45 2004
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 4518D16A4CE
	for <freebsd-stable@freebsd.org>;
	Fri, 24 Dec 2004 08:21:45 +0000 (GMT)
Received: from mail25.syd.optusnet.com.au (mail25.syd.optusnet.com.au
	[211.29.133.166])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 7AB2643D46
	for <freebsd-stable@freebsd.org>;
	Fri, 24 Dec 2004 08:21:44 +0000 (GMT)
	(envelope-from PeterJeremy@optushome.com.au)
Received: from cirb503493.alcatel.com.au
	(c211-30-75-229.belrs2.nsw.optusnet.com.au [211.30.75.229])
	iBO8LdSw005748
	(version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO);
	Fri, 24 Dec 2004 19:21:40 +1100
Received: from cirb503493.alcatel.com.au (localhost.alcatel.com.au
	[127.0.0.1])iBO8LcxP007537;	Fri, 24 Dec 2004 19:21:39 +1100 (EST)
	(envelope-from pjeremy@cirb503493.alcatel.com.au)
Received: (from pjeremy@localhost)iBO8LcOI007536;
	Fri, 24 Dec 2004 19:21:38 +1100 (EST)	(envelope-from pjeremy)
Date: Fri, 24 Dec 2004 19:21:37 +1100
From: Peter Jeremy <PeterJeremy@optushome.com.au>
To: Benjamin Lutz <benlutz@datacomm.ch>
Message-ID: <20041224082137.GA7189@cirb503493.alcatel.com.au>
References: <200412230408.48770.benlutz@datacomm.ch>
	<20041223170124.GA89886@midgard.intranet>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20041223170124.GA89886@midgard.intranet>
User-Agent: Mutt/1.4.2i
cc: freebsd-stable@freebsd.org
Subject: Re: slow system freeze - panic
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: Fri, 24 Dec 2004 08:21:45 -0000

On Thu, 2004-Dec-23 18:01:24 +0100, Benjamin Lutz wrote:
>Well, this is unexpected. I enabled the debugging options as instructed
>(INVARIANT_SUPPORT, INVARIANTS, WITNESS, DDB, GDB), rebooted and then
...
>ioapic0 <Version 1.1> irqs 0-23 on motherboard
>panic: spin lock rm.mutex_mtx not in order list

Hmm.  I can't find that string anywhere in the sources.  Are you sure
"rm.mutex_mtx" is correct?

>KDB: enter: panic
>[thread 0]
>Stopped at      kdb_enter+0x30: leave
>db> ps axl
>Symbol not found

Should be just "ps".  There's no point in this case because the system
panic'd before it finished booting.  Instead, run "trace" and post the
results.

I suggest you read ddb(4) and the developer's handbook URL that I posted.

>db> show witness
>(too much info for me to type (haven't got the serial console running
>yet, I can however not find any mention of an rm mutex)

One option in this case is to take a photo and put it up on the web
somewhere.

-- 
Peter Jeremy