From owner-freebsd-fs Sat Mar 2 14:28:17 2002 Delivered-To: freebsd-fs@freebsd.org Received: from obsecurity.dyndns.org (adsl-64-169-107-10.dsl.lsan03.pacbell.net [64.169.107.10]) by hub.freebsd.org (Postfix) with ESMTP id A6B3837B419 for ; Sat, 2 Mar 2002 14:28:08 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 20EC266C32; Sat, 2 Mar 2002 14:28:08 -0800 (PST) Date: Sat, 2 Mar 2002 14:28:07 -0800 From: Kris Kennaway To: Matthew Dillon Cc: Kris Kennaway , Ian Dowse , Kirk McKusick , Finch , fs@FreeBSD.ORG, fanf@chiark.greenend.org.uk Subject: Re: UFS panic on -stable Message-ID: <20020302142807.B33223@xor.obsecurity.org> References: <200202260141.g1Q1f8i28365@beastie.mckusick.com> <200202260237.aa51774@salmon.maths.tcd.ie> <20020226184340.A78562@xor.obsecurity.org> <20020228135233.B5586@xor.obsecurity.org> <20020301173740.A21179@xor.obsecurity.org> <200203020150.g221oWS48392@apollo.backplane.com> <20020301175632.A21599@xor.obsecurity.org> <20020302135914.A33051@xor.obsecurity.org> <200203022210.g22MA8B56666@apollo.backplane.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="IS0zKkzwUGydFO0o" Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <200203022210.g22MA8B56666@apollo.backplane.com>; from dillon@apollo.backplane.com on Sat, Mar 02, 2002 at 02:10:08PM -0800 Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org --IS0zKkzwUGydFO0o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Mar 02, 2002 at 02:10:08PM -0800, Matthew Dillon wrote: >=20 > :> Will try! > :>=3D20 > :> I've also given up on trying to get packages built for now, and am > :> just running some MFS stress tests to try and trigger panics. > : > :So much for the MFS theory: > : > :/x: bad dir ino 1006899 at offset 0: mangled entry > :panic: ufs_dirbad: bad dir > :Debugger("panic") > :Stopped at Debugger+0x35: movb $0,in_Debugger.426 > :db> > : > :/x is a local UFS filesystem. > : > :Kris >=20 > Do a 'mount -v'. I posted one earlier in the thread, but here it is again: 216.136.204.23:/a/nfsroots/4.dir4 on / (nfs, read-only) mfs:13 on /etc (mfs, asynchronous, local) mfs:21 on /var (mfs, asynchronous, local) mfs:28 on /tmp (mfs, asynchronous, local) mfs:33 on /dev (mfs, asynchronous, local) /dev/ad0e on /a (ufs, local, soft-updates, writes: sync 2 async 1038, reads= : sync 255 async 1482) /dev/ad0f on /x (ufs, local, soft-updates, writes: sync 718 async 155758, r= eads: sync 21022 async 232) bento:/var/portbuild/4/ports on /x/tmp/4/chroot/26132/a/ports (nfs, read-on= ly) bento:/var/portbuild/4/src on /x/tmp/4/chroot/26132/usr/src (nfs, read-only) bento:/var/portbuild/usr/opt/doc on /x/tmp/4/chroot/26132/usr/opt/doc (nfs,= read-only) > Have you managed to get it to panic in a repeatable > fashion yet? Unfortunately not, except by starting up a package build and waiting a bit :-) However I just realised that I have another datapoint as to when the problem was introduced, because the alpha cluster has been perfectly stable and is running a 4.x kernel dated around Jan 26 (probably a few days earlier, because peter had problems getting the machines to netboot). The most obvious commit after that time period was this one: dillon 2002/01/31 10:51:48 PST Modified files: (Branch: RELENG_4) sys/kern vfs_subr.c Log: MFC new vlrureclaim trigger-point code. [...] I'm going to try backing that out now to see if it fixes things. Kris --IS0zKkzwUGydFO0o Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8gVH3Wry0BWjoQKURAoCxAKDsY7zivtMyonXQNGfhJc9wYWNzkgCeOZ0v 2okqmHr4jX59oxsLtlJ63Fw= =x0t1 -----END PGP SIGNATURE----- --IS0zKkzwUGydFO0o-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message