From owner-freebsd-current@FreeBSD.ORG  Wed Aug  4 08:05:35 2010
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id D2E7F1065679
	for <freebsd-current@FreeBSD.org>; Wed,  4 Aug 2010 08:05:35 +0000 (UTC)
	(envelope-from gavin@ury.york.ac.uk)
Received: from ixe-mta-27.emailfiltering.com (ixe-mta-27-tx.emailfiltering.com
	[194.116.199.158])
	by mx1.freebsd.org (Postfix) with ESMTP id 459A88FC12
	for <freebsd-current@FreeBSD.org>; Wed,  4 Aug 2010 08:05:34 +0000 (UTC)
Received: from mail-gw12.york.ac.uk ([144.32.129.162])
	by ixe-mta-27.emailfiltering.com with emfmta (version 4.5.0.261) by TLS
	id 699420630 for mexas@bristol.ac.uk; 9159309aa65bed98;
	Wed, 04 Aug 2010 08:55:20 +0100
Received: from ury.york.ac.uk ([144.32.108.81]:49811)
	by mail-gw12.york.ac.uk with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)
	(Exim 4.71) (envelope-from <gavin@ury.york.ac.uk>)
	id 1OgYoq-0007sQ-Jr; Wed, 04 Aug 2010 08:55:20 +0100
Received: from gavin (helo=localhost)
	by ury.york.ac.uk with local-esmtp (Exim 4.72)
	(envelope-from <gavin@ury.york.ac.uk>)
	id 1OgYoq-0001m2-Bq; Wed, 04 Aug 2010 08:55:20 +0100
Date: Wed, 4 Aug 2010 08:55:20 +0100 (BST)
From: Gavin Atkinson <gavin@FreeBSD.org>
X-X-Sender: gavin@ury.york.ac.uk
To: Anton Shterenlikht <mexas@bristol.ac.uk>
In-Reply-To: <20100727172021.GA47859@mech-cluster241.men.bris.ac.uk>
Message-ID: <alpine.LNX.2.00.1008040854140.5217@ury.york.ac.uk>
References: <20100726132451.GA18443@mech-cluster241.men.bris.ac.uk>
	<1280226205.78791.0.camel@buffy.york.ac.uk>
	<20100727115831.GA46325@mech-cluster241.men.bris.ac.uk>
	<1280238737.78791.20.camel@buffy.york.ac.uk>
	<20100727144703.GA46905@mech-cluster241.men.bris.ac.uk>
	<1280249605.78791.36.camel@buffy.york.ac.uk>
	<20100727172021.GA47859@mech-cluster241.men.bris.ac.uk>
User-Agent: Alpine 2.00 (LNX 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: <gavin@ury.york.ac.uk>
Cc: freebsd-current@FreeBSD.org
Subject: Re: amd64 panic snd_hda - hdac_get_capabilities: Invalid corb size
 (0)
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: Wed, 04 Aug 2010 08:05:36 -0000

On Tue, 27 Jul 2010, Anton Shterenlikht wrote:

> On Tue, Jul 27, 2010 at 05:53:25PM +0100, Gavin Atkinson wrote:
> > On Tue, 2010-07-27 at 15:47 +0100, Anton Shterenlikht wrote:
> > > db> bt
> > > Tracing pid 0 tid 100000 td 0xffffffff80b40de0
> > > kdb_enter() at kdb_enter+0x3d
> > > panic() at panic+0x17b
> > > uma_dbg_free() at uma_zfree_arg+0x62
> > > free() at free+0xcd
> > > device_set_driver() at device_set_driver+0x7c
> > > device_attach() at device_attach+0x1a3
> > 
> > Thanks.  Can you try
> > http://people.freebsd.org/~gavin/mexas-hda-panic.diff
> > 
> > and see if that solves things for you?
> > 
> > (Credit goes to avg@ for looking into this before me :)
> 
> yes, thanks, the panic has gone away.

I've committed this patch, and will MFC in one week.

Thanks,

Gavin