From owner-freebsd-current Thu May 3 7:57:30 2001 Delivered-To: freebsd-current@freebsd.org Received: from peitho.fxp.org (peitho.fxp.org [209.26.95.40]) by hub.freebsd.org (Postfix) with ESMTP id 96DE737B424 for ; Thu, 3 May 2001 07:57:25 -0700 (PDT) (envelope-from cdf.lists@fxp.org) Received: by peitho.fxp.org (Postfix, from userid 1501) id CEDE11360C; Thu, 3 May 2001 10:57:24 -0400 (EDT) Date: Thu, 3 May 2001 10:57:24 -0400 From: Chris Faulhaber To: Matthew Jacob Cc: current@freebsd.org Subject: Re: lock order reversals, anyone? Message-ID: <20010503105724.A14089@peitho.fxp.org> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="M9NhX3UHpAaciwkO" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from mjacob@feral.com on Thu, May 03, 2001 at 07:31:50AM -0700 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --M9NhX3UHpAaciwkO Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 03, 2001 at 07:31:50AM -0700, Matthew Jacob wrote: >=20 > T-o-T about 24 hours ago: >=20 > > lock order reversal > > 1st lockmgr interlock last acquired @ /usr/src/sys/kern/kern_lock.c:239 > > 2nd 0xfffffe0025df8548 process lock @ /usr/src/sys/kern/kern_exit.c:542 > > 3rd 0xfffffe0000aab8d0 lockmgr interlock @ > /usr/src/sys/kern/kern_lock.c:239 > > acquiring duplicate lock of same type: "allproc" > > 1st @ /usr/src/sys/kern/kern_proc.c:609 > > 2nd @ /usr/src/sys/kern/kern_proc.c:146 > > lock order reversal > > 1st vnode interlock last acquired @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:= 397 > > 2nd 0xfffffc000080f218 mntvnode @ /usr/src/sys/ufs/ffs/ffs_vfsops.c:464 > > 3rd 0xfffffe0026918080 vnode interlock @ /usr/src/sys/kern/vfs_subr.c:= 1881 > > pid 288 (nsrexecd), uid 0: exited on signal 11 (core dumped) >=20 > (oh, yeah, a 4.1 built executable is dying, charming) >=20 Don't know about your 4.1 executable, but the lock order reversals are a well known issue: http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=3D161827+165415+/usr/local/www/= db/text/2001/freebsd-current/20010429.freebsd-current and http://www.FreeBSD.org/cgi/getmsg.cgi?fetch=3D91622+94620+/usr/local/www/db= /text/2001/freebsd-current/20010422.freebsd-current --=20 Chris D. Faulhaber - jedgar@fxp.org - jedgar@FreeBSD.org -------------------------------------------------------- FreeBSD: The Power To Serve - http://www.FreeBSD.org --M9NhX3UHpAaciwkO Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.5 (FreeBSD) Comment: FreeBSD: The Power To Serve iEYEARECAAYFAjrxcdQACgkQObaG4P6BelAlFgCeO3VKm05LAGF/M1La+o5UsFDP orwAnj0y5QizLrgo9AYkAJtKI2bKABk5 =kGlC -----END PGP SIGNATURE----- --M9NhX3UHpAaciwkO-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message