From owner-freebsd-stable@FreeBSD.ORG Wed Apr 16 12:29:44 2008 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C26BF106566C; Wed, 16 Apr 2008 12:29:44 +0000 (UTC) (envelope-from jdc@parodius.com) Received: from mx01.sc1.parodius.com (mx01.sc1.parodius.com [72.20.106.3]) by mx1.freebsd.org (Postfix) with ESMTP id B40128FC15; Wed, 16 Apr 2008 12:29:44 +0000 (UTC) (envelope-from jdc@parodius.com) Received: by mx01.sc1.parodius.com (Postfix, from userid 1000) id 7E9AE1CC033; Wed, 16 Apr 2008 05:29:44 -0700 (PDT) Date: Wed, 16 Apr 2008 05:29:44 -0700 From: Jeremy Chadwick To: Daniel O'Connor Message-ID: <20080416122944.GA29115@eos.sc1.parodius.com> References: <200804162146.24665.doconnor@gsoft.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200804162146.24665.doconnor@gsoft.com.au> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: stable@freebsd.org, Josef Karthauser , freebsd-stable@freebsd.org Subject: Re: AHCI and correct drive geometry? 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: Wed, 16 Apr 2008 12:29:44 -0000 On Wed, Apr 16, 2008 at 09:46:15PM +0930, Daniel O'Connor wrote: > On Wed, 16 Apr 2008, Josef Karthauser wrote: > > So what's the word on AHCI and bios drive geometry? I'm having a real > > pain of a time trying to get some 750gb sata drives running on my > > FreeBSD7 box in AHCI mode. It doesn't seem to matter what disk > > geometry I suggest to sysinstall, something complains of an invalid > > disk upon booting it. > > > > > > > > Actually, in AHCI mode the bios screen doesn't report any information > > on drive geometry, so all bets appear to be off in giving sysinstall > > the correct figures. > > I would think anything this modern would totally ignore CHS and hence > any warnings about bogus geometry are in themselves totally bogus. > > ie just ignore sysinstalls bleatings. Which begs the question -- why are we still spitting that warning out during the fdisk portion of sysinstall? Even to this day, I get mails from "junior" peers of mine asking what it's about, whether it's important, and even a few refusing to install/try the OS because of said message. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |