From owner-freebsd-current@FreeBSD.ORG  Sun Jul 18 19:29:30 2004
Return-Path: <owner-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 3DD5016A4CF; Sun, 18 Jul 2004 19:29:30 +0000 (GMT)
Received: from freebee.digiware.nl (dsl390.iae.nl [212.61.63.138])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 8E12343D49; Sun, 18 Jul 2004 19:29:29 +0000 (GMT)
	(envelope-from wjw@withagen.nl)
Received: from dual (dual [212.61.27.71])
	by freebee.digiware.nl (8.12.10/8.12.10) with SMTP id i6IJRhsD058595;
	Sun, 18 Jul 2004 21:27:43 +0200 (CEST)
	(envelope-from wjw@withagen.nl)
Message-ID: <107101c46cfc$6513a080$471b3dd4@digiware.nl>
From: "Willem Jan Withagen" <wjw@withagen.nl>
To: "Robert Watson" <rwatson@freebsd.org>
References: <Pine.NEB.3.96L.1040718151421.37108k-100000@fledge.watson.org>
Date: Sun, 18 Jul 2004 21:21:15 +0200
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2800.1409
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409
cc: current@freebsd.org
Subject: Re: panic: Duplicate free of item 0xffffff005c4a8600 from
	zone0xffffff007fed4780(Mbuf)
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
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: Sun, 18 Jul 2004 19:29:30 -0000

> > > Three stikes and out....
> > > I'll disable mpsafe now....
> >
> > Does not seem to help....  Not shure if anything should be read in the
> > fact that it is 3 times in [thread 100007].
>
> Well, the threads involved seem to be the netisr thread and the bge
> interrupt thread, suggesting we have a problem with mbufs being free'd
> despite being handed off into the network stack.  Up front, it suggests
> maybe we have an issue with the bge driver freeing or reusing an mbuf
> inappropriately, or perhaps it's at the TCP layer.

I have the core of the first mpsafe test still here.
It's 62 Mb, so that is not to bad, (currently my ADSL is giving 450 Kb/s
upstream) so I could make it available....)

Or I could do some digging, if you give me pointers.

--WjW