From owner-freebsd-stable@FreeBSD.ORG Thu Jan 26 23:46:34 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A1ABB16A422 for ; Thu, 26 Jan 2006 23:46:34 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 008C243D9F for ; Thu, 26 Jan 2006 23:46:12 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id AE7271A3C1B; Thu, 26 Jan 2006 15:46:11 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id C462E52C1B; Thu, 26 Jan 2006 18:46:10 -0500 (EST) Date: Thu, 26 Jan 2006 18:46:10 -0500 From: Kris Kennaway To: Kris Kennaway Message-ID: <20060126234609.GA26648@xor.obsecurity.org> References: <200601202003.30336.nike_d@cytexbg.com> <43D79F09.7090505@cytexbg.com> <200601261040.49015.nike_d@cytexbg.com> <200601261707.56664.nike_d@cytexbg.com> <20060126161728.GA18234@xor.obsecurity.org> <43D95D2C.8010101@rogers.com> <20060126234422.GA26532@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tKW2IUtsqtDRztdT" Content-Disposition: inline In-Reply-To: <20060126234422.GA26532@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i Cc: Mike Jakubik , freebsd-stable@freebsd.org Subject: Re: diskio / filesystem related deadlock on SMP 6.0-STABLE machine. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Jan 2006 23:46:34 -0000 --tKW2IUtsqtDRztdT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 26, 2006 at 06:44:22PM -0500, Kris Kennaway wrote: > On Thu, Jan 26, 2006 at 06:37:16PM -0500, Mike Jakubik wrote: > > Kris Kennaway wrote: > > >On Thu, Jan 26, 2006 at 05:07:56PM +0200, Niki Denev wrote: > > > =20 > > >>On Thursday 26 January 2006 10:40, Niki Denev wrote: > > >> =20 > > >>[...] > > >> > > >>After i disabled option QUOTA in both my default kernel config > > >>and the one i compiled with the debugging options i was unable > > >>to reproduce the deadlock again. (i hope it stays that way :) ) > > >>This, together with the report in my previous post probably point > > >>that the problem is in the QUOTA support. > > >> =20 > > > > > >Actually, I think this is known. > > > > > >Kris > > > =20 > >=20 > > Well thats good to know, i was planning on upgrading a production box= =20 > > from 5 to 6, its SMP and uses QUOTA. How did 6 get released when QUOTA= =20 > > was known to cause deadlocks? FYI, you can probably work around this by setting debug.mpsafevfs=3D0. Of course, you'll lose the filesystem performance benefits. Kris --tKW2IUtsqtDRztdT Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD2V9BWry0BWjoQKURAtEbAKCf8UGpazsO0woWKuEeLOGx+I0XpgCgkENW vIuWcOSxMs4uqPDNf5R2NI0= =Tx3u -----END PGP SIGNATURE----- --tKW2IUtsqtDRztdT--