From owner-freebsd-bugs@FreeBSD.ORG  Mon Jun 23 15:30:14 2003
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 5D16837B401
	for <freebsd-bugs@hub.freebsd.org>;
	Mon, 23 Jun 2003 15:30:14 -0700 (PDT)
Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21])
	by mx1.FreeBSD.org (Postfix) with ESMTP id F0BBB43F75
	for <freebsd-bugs@hub.freebsd.org>;
	Mon, 23 Jun 2003 15:30:13 -0700 (PDT)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.12.9/8.12.9) with ESMTP id h5NMUDUp053448
	for <freebsd-bugs@freefall.freebsd.org>;
	Mon, 23 Jun 2003 15:30:13 -0700 (PDT)
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.12.9/8.12.9/Submit) id h5NMUDH2053447;
	Mon, 23 Jun 2003 15:30:13 -0700 (PDT)
Date: Mon, 23 Jun 2003 15:30:13 -0700 (PDT)
Message-Id: <200306232230.h5NMUDH2053447@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
From: "Greg 'groggy' Lehey" <grog@FreeBSD.org>
Subject: Re: kern/52916: vinum causes panic after start/stop/... cycle, easy
	to reproduce
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: Greg 'groggy' Lehey <grog@FreeBSD.org>
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 23 Jun 2003 22:30:14 -0000

The following reply was made to PR kern/52916; it has been noted by GNATS.

From: Greg 'groggy' Lehey <grog@FreeBSD.org>
To: Pawel Malachowski <pawmal@unia.3lo.lublin.pl>
Cc: Freebsd-gnats-submit@FreeBSD.org
Subject: Re: kern/52916: vinum causes panic after start/stop/... cycle, easy to reproduce
Date: Tue, 24 Jun 2003 07:52:35 +0930

 --fRqxu2t+6O910vVH
 Content-Type: text/plain; charset=us-ascii
 Content-Disposition: inline
 
 On Monday, 23 June 2003 at 23:40:36 +0200, Pawel Malachowski wrote:
 > On 6 Jun 2003 at 14:52, Greg 'groggy' Lehey wrote:
 >
 >> I'm guessing this has something to do with md devices.  Do you use
 >> any?  I don't, and every 'vinum start' created one.  I've committed a
 >> fix to vinum(8) (revision 1.31.2.6 of src/sbin/vinum/commands.c).
 >> Please try it and tell me if it fixes the problem.
 >
 > Problem appears when we call (f)sync() while `vinum start' command is working.
 > After killing syslogd (which was using fsync(), I have both /var/log and /dev
 > on / fs with SoftUpdates enabled), stability increased.
 >
 > I was running /bin/sync frequently during vinum start/stop loop and sometimes I
 > can see `rm' (and other commands called from make_devices(), src/sbin/vinum/v.c)
 > complaining it was not possible to remove/recreate device files in /dev/vinum.
 > Panic happened within few seconds.
 
 I'd appreciate answers to my questions.  Also a backtrace would help.
 
 Greg
 --
 See complete headers for address and phone numbers
 
 --fRqxu2t+6O910vVH
 Content-Type: application/pgp-signature
 Content-Disposition: inline
 
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.2.0 (FreeBSD)
 
 iD8DBQE+932rIubykFB6QiMRAvJGAJ4jWOMeTnptkF2MSO0Zx3mtOdZWEgCfXJPI
 oVQLrEW0qedWFi22JXRhd4g=
 =RXj2
 -----END PGP SIGNATURE-----
 
 --fRqxu2t+6O910vVH--