From owner-freebsd-geom@FreeBSD.ORG Mon Nov 14 09:36:32 2005 Return-Path: X-Original-To: geom@freebsd.org Delivered-To: freebsd-geom@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 288E516A41F; Mon, 14 Nov 2005 09:36:32 +0000 (GMT) (envelope-from myself@rojer.pp.ru) Received: from hermes.hw.ru (hermes.hw.ru [80.68.240.91]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0018243D45; Mon, 14 Nov 2005 09:36:25 +0000 (GMT) (envelope-from myself@rojer.pp.ru) Received: from [80.68.243.98] (account rojer@rbc.ru HELO [80.68.243.98]) by hermes.hw.ru (CommuniGate Pro SMTP 4.1.8) with ESMTP-TLS id 98276940; Mon, 14 Nov 2005 12:36:24 +0300 Message-ID: <43785A97.3010204@rojer.pp.ru> Date: Mon, 14 Nov 2005 12:36:23 +0300 From: Deomid Ryabkov User-Agent: Thunderbird 1.6a1 (X11/20051107) MIME-Version: 1.0 To: "Simon L. Nielsen" References: <20051027200448.1ba236fe.cpressey@catseye.mine.nu> <43753528.7030802@freesbie.org> <20051114091911.GD64196@eddie.nitro.dk> In-Reply-To: <20051114091911.GD64196@eddie.nitro.dk> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms080806030405040000090107" Cc: Chris Pressey , geom@freebsd.org, Dario Freni , current@freebsd.org Subject: Re: fdisk(8) no longer capable of altering geometry X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Nov 2005 09:36:32 -0000 This is a cryptographically signed message in MIME format. --------------ms080806030405040000090107 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Simon L. Nielsen wrote: > On 2005.11.12 01:19:52 +0100, Dario Freni wrote: > >> My little follow-up to this issue. This bug is quite critical on >> products using bsdinstaller such as FreeSBIE or pfSense. I heard rumours >> that PC-BSD also encounter this problem and had to workaround it by >> sysinstall. >> >> Can somebody please take a look at it? >> > > Just curious... why do you need to alter the geometry? I never once > had a problem just ignoring the fact that fdisk/sysinstall warned > about geometry... > sysinstall warns and fixes it for you. i had to duplicate sysinstall's behavior in my home-made quick'n'dirty installer or otherwise disks larger than (some size, like 60G, i don't remember exactly) are not bootable after install. the fixup, rewritten in perl, looks like this: print "geom: cyl=$cyl, hd=$hd, sect=$sect\n"; if ($cyl > 1024 or $hd > 16 or $sect > 63) { $hd = 16; $sect = 63; $cyl = int ($size / ($hd * $sect)); if ($cyl > 1024) { $hd = 255; $cyl = int ($size / ($hd * $sect)); } print "new geom: cyl=$cyl, hd=$hd, sect=$sect\n"; @ret = ($cyl, $hd, $sect); } i don't know the exact meaning of ths, but it is indeed required to be able to boot off the disk. -- Deomid Ryabkov aka Rojer myself@rojer.pp.ru rojer@sysadmins.ru ICQ: 8025844 --------------ms080806030405040000090107 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; 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