From owner-freebsd-current@FreeBSD.ORG Wed Oct 8 19:16:44 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E324A16A4B3 for ; Wed, 8 Oct 2003 19:16:44 -0700 (PDT) Received: from obsecurity.dyndns.org (adsl-64-169-107-253.dsl.lsan03.pacbell.net [64.169.107.253]) by mx1.FreeBSD.org (Postfix) with ESMTP id 07B9443FE0 for ; Wed, 8 Oct 2003 19:16:43 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id CBEBA66E05; Wed, 8 Oct 2003 19:16:20 -0700 (PDT) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id 5CF19B72; Wed, 8 Oct 2003 19:16:20 -0700 (PDT) Date: Wed, 8 Oct 2003 19:16:20 -0700 From: Kris Kennaway To: Doug White Message-ID: <20031009021620.GA5278@rot13.obsecurity.org> References: <20031007040349.GA10406@ergobrains.co.jp> <20031007180822.J35281@carver.gumbysoft.com> <20031008013014.GA73539@rot13.obsecurity.org> <20031008190451.E50563@carver.gumbysoft.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ReaqsoxgOBHFXBhH" Content-Disposition: inline In-Reply-To: <20031008190451.E50563@carver.gumbysoft.com> User-Agent: Mutt/1.4.1i cc: YONETANI Tomokazu cc: freebsd-current@freebsd.org cc: Kris Kennaway Subject: Re: savecore: first and last dump headers disagree on /dev/ad0b X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Thu, 09 Oct 2003 02:16:45 -0000 --ReaqsoxgOBHFXBhH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 08, 2003 at 07:05:49PM -0700, Doug White wrote: > > > The ROSB4 is known to have data-corruption problems with running in U= DMA > > > mode. The dump is probably tripping over this, which is why Tor's pa= tch > > > works since it demotes the device back to PIO. > > > > I also had problems dumping onto a UDMA66 disk on a promise PDC20267 > > controller - it seemed to dump OK (dump was readable after I recovered > > the disk), but it (or maybe the crash itself) trashed the partition > > table. > > >=20 > Well that woudl be funny since the problem boards were replaced with Tyan > S2518s, which have a PDC20267 onboard as well as the ROSB4. The disks > were attached to the Promise, and never had any data corruption issues > with them, at least under linnex. This is a FreeBSD bug that was introduced within the past few months, perhaps with ATAng. Kris --ReaqsoxgOBHFXBhH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/hMTzWry0BWjoQKURAsDOAJ4n03/JTfmTRQZYCI8AHubqKhryEQCfTzhI MQr6a0vR+9z5dOM3vu7/cPA= =40Rd -----END PGP SIGNATURE----- --ReaqsoxgOBHFXBhH--