From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: [PATCH] sata_mv: Fix broken Marvell 7042 support. Date: Mon, 03 Dec 2007 13:44:04 -0500 Message-ID: <47544E74.3000608@rtr.ca> References: <4751A2DA.6030403@rtr.ca> <20071203154749.6lah7pulw8ow0s84@email.syntomax.com> <47543C58.4040106@rtr.ca> <475447A0.2010101@rtr.ca> <47544B2F.5080007@pobox.com> <47544BAA.1020901@rtr.ca> <47544DA9.3070702@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:1432 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751475AbXLCSoH (ORCPT ); Mon, 3 Dec 2007 13:44:07 -0500 In-Reply-To: <47544DA9.3070702@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Morrison, Tom" Cc: Jeff Garzik , hp@syntomax.com, IDE/ATA development list , Tejun Heo , Alan Cox Mark Lord wrote: > Morrison, Tom wrote: >> Fwiw, I'm not running an add-on card or anything like it - no raid - >> nothing except a 7042 chip as the the front-end to 2-4 harddrives in >> my box) - in this case - I am not having a problem... >> >> I write this as perhaps a hint to the 'right' direction to go >> looking for the trouble... > .. > > Thanks Tom. > > So we know we *can* boot from a bare 7042, which is good! > > I've poked a little more at this here, and I *think* the > BIOS is overwriting the 9th sector on the drive. > > I'll test that theory a little more. .. Confirmed. It writes "lgcy" + stuff into the 9th sector of the drive (for my "Legacy" drive). Where does Linux softraid put it's stuff ? And Hein-Pieter: what are you using for a bootloader ? > Any GRUB experts out there? How do I get GRUB to install > the stage2 stuff on a partition, instead of in the first 63 sectors ? .. Technically, I suppose it's the stage 1.5 stuff that's getting nuked. Or something like that.