From owner-freebsd-stable@FreeBSD.ORG Thu Jan 26 22:13:46 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 EA48716A422 for ; Thu, 26 Jan 2006 22:13:46 +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 E8BF043D5C for ; Thu, 26 Jan 2006 22:13:37 +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 48C351A3C1C; Thu, 26 Jan 2006 14:13:37 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id ECF065214D; Thu, 26 Jan 2006 17:13:35 -0500 (EST) Date: Thu, 26 Jan 2006 17:13:35 -0500 From: Kris Kennaway To: Niki Denev Message-ID: <20060126221335.GA24550@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> <43D936EC.2010200@cytexbg.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="qDbXVdCdHGoSgWSk" Content-Disposition: inline In-Reply-To: <43D936EC.2010200@cytexbg.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-stable@freebsd.org, Kris Kennaway 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 22:13:47 -0000 --qDbXVdCdHGoSgWSk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 26, 2006 at 10:54:04PM +0200, Niki Denev wrote: > Kris Kennaway wrote: > > On Thu, Jan 26, 2006 at 05:07:56PM +0200, Niki Denev wrote: > >> On Thursday 26 January 2006 10:40, Niki Denev wrote: > >> [...] > >> > >> 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. > >=20 > > Kris >=20 > Yes, sorry for this. No problem. At least your cause is identified, so you know what to look out for. > I found a thread on -hackers from November 2005 which seems related: > http://lists.freebsd.org/pipermail/freebsd-hackers/2005-November/014339.h= tml >=20 > Anyway, the machine in question is still not very actively used and > i can use it as a guinea pig if someone has the time to look at this, > if not, maybe it should be noted somewhere that at this point "options QU= OTA" > may cause deadlocks to avoid similar questions/postings? :) I have recommended this be tracked on the 6.1 TODO list - hopefully there will be a solution before the release. Kris --qDbXVdCdHGoSgWSk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD2UmPWry0BWjoQKURAk6DAKDY5YHc3wFw0U2LXcZ3nE75A7j/wQCfWXmr z0SqPFb3Km8Bu8ZPD/r51WU= =6KBZ -----END PGP SIGNATURE----- --qDbXVdCdHGoSgWSk--