From owner-freebsd-alpha@FreeBSD.ORG  Mon Aug  8 17:39:03 2005
Return-Path: <owner-freebsd-alpha@FreeBSD.ORG>
X-Original-To: freebsd-alpha@freebsd.org
Delivered-To: freebsd-alpha@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 00A8416A424;
	Mon,  8 Aug 2005 17:39:02 +0000 (GMT) (envelope-from jhb@FreeBSD.org)
Received: from mv.twc.weather.com (mv.twc.weather.com [65.212.71.225])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 1DA67440E7;
	Mon,  8 Aug 2005 17:27:29 +0000 (GMT) (envelope-from jhb@FreeBSD.org)
Received: from [10.50.40.201] (Not Verified[65.202.103.25]) by
	mv.twc.weather.com with NetIQ MailMarshal (v6, 0, 3, 8)
	id <B42f799770003>; Mon, 08 Aug 2005 13:42:15 -0400
From: John Baldwin <jhb@FreeBSD.org>
To: thierry@herbelot.com
Date: Mon, 8 Aug 2005 13:27:56 -0400
User-Agent: KMail/1.8
References: <200508041255.05839.jhb@FreeBSD.org>
	<200508051040.05333.jhb@FreeBSD.org>
	<200508070937.51119.thierry@herbelot.com>
In-Reply-To: <200508070937.51119.thierry@herbelot.com>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-15"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
Message-Id: <200508081327.57864.jhb@FreeBSD.org>
Cc: freebsd-current@freebsd.org, freebsd-alpha@freebsd.org
Subject: Re: Locking fixes for dc(4): please test!
X-BeenThere: freebsd-alpha@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Porting FreeBSD to the Alpha <freebsd-alpha.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-alpha>,
	<mailto:freebsd-alpha-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-alpha>
List-Post: <mailto:freebsd-alpha@freebsd.org>
List-Help: <mailto:freebsd-alpha-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-alpha>,
	<mailto:freebsd-alpha-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 08 Aug 2005 17:39:03 -0000

On Sunday 07 August 2005 03:37 am, Thierry Herbelot wrote:
> Le Friday 5 August 2005 16:40, John Baldwin a =E9crit :
> > Ok.  Try changing the IS_MPSAFE at around line 348 flag from 0 to 1 and
> > see if it blows up then. :)  Thanks for testing.
>
> it does blow up with the following message
> (GENERIC -current on an SMP, non-ACPI BP6, with your patch and IS_MPSAFE=
=3D1)
>
> no kernel dump as the dump device is not yet defined (TBD through a loader
> tunable ?)

Ok, I forgot to remove an instance of DC_UNLOCK().  Thanks for the report.
I've updated the patch at www.freebsd.org/~jhb/patches/dc_locking.patch  Ca=
n=20
you try it again?

=2D-=20
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =3D  http://www.FreeBSD.org