From owner-freebsd-stable@FreeBSD.ORG Thu Oct 18 16:33:00 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 01F28E18 for ; Thu, 18 Oct 2012 16:33:00 +0000 (UTC) (envelope-from break19@gmail.com) Received: from mail-ia0-f182.google.com (mail-ia0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id B55AC8FC16 for ; Thu, 18 Oct 2012 16:32:59 +0000 (UTC) Received: by mail-ia0-f182.google.com with SMTP id k10so8495320iag.13 for ; Thu, 18 Oct 2012 09:32:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:x-forwarded-message-id:content-type :content-transfer-encoding; bh=yphGteL1iAtj8tLOslT+8zPs5qFzRm1TRmXFXgQHbrw=; b=RAsm7LSbYBSQH30RgGt3+4kD3Vku+ximh8SL6lZPNWTuEfr3V5HF9akPFcBd4DOHoR lYn6dTlKUUpPA367R7OWOxGFXAFUihHgXeeDjeKF61gVn63fp92bYm5u83yQws4YR7kl oJjlUMDR3BzcWvaf41AHfjeGmnKdZEqG5rvp2Worn0m1JVyIV8IuVaNm8na+HzqsvU3A d01ykKBdZHVY4thV6VRhJgWJ6rTd60CN2kk1C4oB2qlJ9ngnmefEC5JvSfuIJcS4gwmY Q3RO+d2dadeCVVqIMstfP7xwDQVcdGM8qGszbu4Dn59QH4+hrTH/rCRrwVpcx9eMRi3G dumg== Received: by 10.50.5.239 with SMTP id v15mr5553444igv.41.1350577979030; Thu, 18 Oct 2012 09:32:59 -0700 (PDT) Received: from [192.168.0.198] ([173.156.64.64]) by mx.google.com with ESMTPS id yf6sm14633183igb.0.2012.10.18.09.32.57 (version=SSLv3 cipher=OTHER); Thu, 18 Oct 2012 09:32:58 -0700 (PDT) Message-ID: <50802F36.7020102@gmail.com> Date: Thu, 18 Oct 2012 11:32:54 -0500 From: Chuck Burns User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:15.0) Gecko/20120907 Thunderbird/15.0.1 MIME-Version: 1.0 To: freebsd-stable@freebsd.org Subject: Fwd: Re: 9.1-RC2 - could it be that the installer does not write the MBR? References: <50802EA6.2080305@gmail.com> In-Reply-To: <50802EA6.2080305@gmail.com> X-Forwarded-Message-Id: <50802EA6.2080305@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Oct 2012 16:33:00 -0000 On 10/18/2012 11:05 AM, Brandon Allbery wrote: > On Thu, Oct 18, 2012 at 5:31 AM, Kimmo Paasiala wrote: > >> Such question does not make sense if the disk is GPT partitioned which >> is the default now. The boot loader is installed on a separate >> freebsd-boot partition and the MBR of the disk contains a special >> "protective MBR". > > > And what is supposed to happen if the disk has an existing MBR and existing > partitions? > With a -proper- existing MBR, it doesn't matter, since it will still pass boot off to the proper partition. But when you install an MBR partition manager that overrides the standard MBR code, you must also then uninstall it when you want to revert back to an OS that knows how to boot with a normal MBR. -- Chuck Burns -- Chuck Burns