From owner-freebsd-stable@FreeBSD.ORG Tue Oct 17 22:58:43 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 85DE316A417 for ; Tue, 17 Oct 2006 22:58:43 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from sccmmhc91.asp.att.net (sccmmhc91.asp.att.net [204.127.203.211]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9273543D76 for ; Tue, 17 Oct 2006 22:58:41 +0000 (GMT) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net ([12.207.12.9]) by sccmmhc91.asp.att.net (sccmmhc91) with ESMTP id <20061017225840m9100elubke>; Tue, 17 Oct 2006 22:58:40 +0000 Received: from lor.one-eyed-alien.net (localhost [127.0.0.1]) by lor.one-eyed-alien.net (8.13.8/8.13.8) with ESMTP id k9HMwbhx073795; Tue, 17 Oct 2006 17:58:38 -0500 (CDT) (envelope-from brooks@lor.one-eyed-alien.net) Received: (from brooks@localhost) by lor.one-eyed-alien.net (8.13.8/8.13.8/Submit) id k9HMwa8J073794; Tue, 17 Oct 2006 17:58:36 -0500 (CDT) (envelope-from brooks) Date: Tue, 17 Oct 2006 17:58:36 -0500 From: Brooks Davis To: Norberto Meijome Message-ID: <20061017225836.GB73392@lor.one-eyed-alien.net> References: <20061018002558.3a2bcdf6@localhost> <20061017145946.GB68977@lor.one-eyed-alien.net> <20061018071155.4331765a@localhost> <20061017223350.GA73392@lor.one-eyed-alien.net> <20061018084439.6451312c@localhost> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="yEPQxsgoJgBvi8ip" Content-Disposition: inline In-Reply-To: <20061018084439.6451312c@localhost> User-Agent: Mutt/1.5.11 Cc: freebsd-stable@freebsd.org Subject: Re: kernel panic mounting /tmp - 6.2-PRERELEASE 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: Tue, 17 Oct 2006 22:58:43 -0000 --yEPQxsgoJgBvi8ip Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 18, 2006 at 08:44:39AM +1000, Norberto Meijome wrote: > On Tue, 17 Oct 2006 17:33:50 -0500 > Brooks Davis wrote: >=20 > > > Gotcha - i thought as much... i hoped a dump -0 would save enough info > > > though. I just needed to have /tmp back in place asap.... > > >=20 > > > i'll keep the files around for a week or so in case something comes u= p. =20 > >=20 > > Good thought, but anything short of "dd if=3D/dev/ > > of=3D/path/to/some/location" probably won't preserve the corrupt bits. > > Think of dump as a version of tar that also knows how to read file > > systems directly. It only preserves files and their contents not the > > actual file system bits on the disk >=20 > Yes, I realise that now, it was late and I wasn't thinking too straight > obviously. > > BTW, the mount in 6.1-RELEASE CD had no issue at all mounting the filesys= tem.. > dump I used was 6.1-RELEASE too . would have been user land app related,= or > actual UFS kernel code that made the difference?=20 That's somewhat distrubing. That sounds like a change to the UFS code somehow made things more fragile, though it could be an access pattern issue of some sort. -- Brooks --yEPQxsgoJgBvi8ip Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFNWAcXY6L6fI4GtQRAmszAJ9oXZ6YvzkRLnfk1UtOC/fm3+EFFwCfURDw v637FB2NTvPJ4GOm5lCEGK8= =AgDn -----END PGP SIGNATURE----- --yEPQxsgoJgBvi8ip--