From owner-freebsd-current@FreeBSD.ORG Mon May 10 06:11:02 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 14E951065670 for ; Mon, 10 May 2010 06:11:02 +0000 (UTC) (envelope-from peterjeremy@acm.org) Received: from mail10.syd.optusnet.com.au (mail10.syd.optusnet.com.au [211.29.132.191]) by mx1.freebsd.org (Postfix) with ESMTP id 7D3A68FC0C for ; Mon, 10 May 2010 06:11:01 +0000 (UTC) Received: from server.vk2pj.dyndns.org (c122-106-253-149.belrs3.nsw.optusnet.com.au [122.106.253.149]) by mail10.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id o4A6AwvX022926 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 10 May 2010 16:10:59 +1000 X-Bogosity: Ham, spamicity=0.000000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.4/8.14.4) with ESMTP id o4A6AvUV093087 for ; Mon, 10 May 2010 16:10:58 +1000 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.4/8.14.4/Submit) id o4A6AvhD093086 for current@freebsd.org; Mon, 10 May 2010 16:10:57 +1000 (EST) (envelope-from peter) Date: Mon, 10 May 2010 16:10:57 +1000 From: Peter Jeremy To: current@freebsd.org Message-ID: <20100510061057.GA93038@server.vk2pj.dyndns.org> References: <20100508102005.GB1867@elmar.spoerlein.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="EeQfGwPcQSOJBaQU" Content-Disposition: inline In-Reply-To: <20100508102005.GB1867@elmar.spoerlein.net> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.20 (2009-06-14) Cc: Subject: Re: LOR: ufs vs bufwait X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 May 2010 06:11:02 -0000 --EeQfGwPcQSOJBaQU Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2010-May-08 12:20:05 +0200, Ulrich Sp=F6rlein wrote: >This LOR also is not yet listed on the LOR page, so I guess it's rather >new. I do use SUJ. > >lock order reversal: > 1st 0xc48388d8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:502 > 2nd 0xec0fe304 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:113= 63 > 3rd 0xc49e56b8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2091 I'm seeing exactly the same LOR (and subsequent deadlock) on a recent -current without SUJ. --=20 Peter Jeremy --EeQfGwPcQSOJBaQU Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkvno3EACgkQ/opHv/APuIfFZQCfRZlbeOiEVCW9rAZVEBE5IY+x oWsAoJlUHsvOtINWsve2e4L7cYbUMrVn =a4ne -----END PGP SIGNATURE----- --EeQfGwPcQSOJBaQU--