From owner-freebsd-current@FreeBSD.ORG  Wed Apr 30 01:37:22 2003
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 599B337B401
	for <freebsd-current@freebsd.org>;
	Wed, 30 Apr 2003 01:37:22 -0700 (PDT)
Received: from lupinella.troll.no (lupinella.troll.no [80.232.37.59])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 576E043F85
	for <freebsd-current@freebsd.org>;
	Wed, 30 Apr 2003 01:37:21 -0700 (PDT)
	(envelope-from bhughes@trolltech.com)
Received: from reticent.troll.no ([80.232.37.28]:40722 "EHLO
	reticent.troll.no"<S142658AbTD3IhG>;
	Wed, 30 Apr 2003 10:37:06 +0200
From: Bradley T Hughes <bhughes@trolltech.com>
Organization: Trolltech AS
To: Jun Kuriyama <kuriyama@imgsrc.co.jp>, freebsd-current@freebsd.org
Date: Wed, 30 Apr 2003 10:35:38 +0200
User-Agent: KMail/1.5.1
References: <3EAC3B37.8010005@einfachsms.de>
	<20030429.230146.80105247.imp@bsdimp.com> <7m1xzkh7vf.wl@black.imgsrc.co.jp>
In-Reply-To: <7m1xzkh7vf.wl@black.imgsrc.co.jp>
Sender: bhughes@trolltech.com
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200304301035.38065.bhughes@trolltech.com>
Subject: Re: Kernel panic during portupdrade [ffs_blkfree: freeing free
	block]
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: Wed, 30 Apr 2003 08:37:22 -0000

On Wednesday 30 April 2003 07:28, Jun Kuriyama wrote:
> At Wed, 30 Apr 2003 05:04:09 +0000 (UTC),
>
> M. Warner Losh wrote:
> > I've been getting this for the past few days.  I've only been able
> > to get one or two good tracebacks because usually I get a panic in
> > the dump code about KSE object not on run queue :-(
>
> I've changed from SCHED_4BSD to SCHED_ULE after this.  It looks fine
> in this few hours.
>
> Do you see this panic even if using SCHED_ULE?

FWIW, I have seen this panic twice during heavy disk activity while 
using SCHED_ULE.

-- 
Bradley T. Hughes - bhughes at trolltech.com
Trolltech AS - Waldemar Thranes gt. 98 N-0175 Oslo, Norway