Date: Tue, 7 Oct 2003 18:30:14 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Doug White <dwhite@gumbysoft.com> Cc: YONETANI Tomokazu <t-yonetani@ergobrains.co.jp> Subject: Re: savecore: first and last dump headers disagree on /dev/ad0b Message-ID: <20031008013014.GA73539@rot13.obsecurity.org> In-Reply-To: <20031007180822.J35281@carver.gumbysoft.com> References: <20031007040349.GA10406@ergobrains.co.jp> <20031007180822.J35281@carver.gumbysoft.com>
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--ikeVEW9yuYc//A+q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 07, 2003 at 06:11:30PM -0700, Doug White wrote: > On Tue, 7 Oct 2003, YONETANI Tomokazu wrote: >=20 > > The hardware is IBM NetFinity 6000R, and it has ServerWorks ROSB4 UDMA33 > > controller, to which the IDE disk is attached. The size of the IDE hard > > disk is 4Gbytes, and the size of the kernel dump and physical memory bo= th > > fits in that size. >=20 > The ROSB4 is known to have data-corruption problems with running in UDMA > mode. The dump is probably tripping over this, which is why Tor's patch > 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. Kris --ikeVEW9yuYc//A+q Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/g2imWry0BWjoQKURAnPNAKCQD5pauPHr+UFITVC/6QtOivAwxgCgjzEQ iLgS2i+cbljxksf0wvWzKXc= =dRls -----END PGP SIGNATURE----- --ikeVEW9yuYc//A+q--
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