From owner-freebsd-geom@FreeBSD.ORG Mon Mar 8 23:21:27 2010 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B2E531065673 for ; Mon, 8 Mar 2010 23:21:27 +0000 (UTC) (envelope-from xcllnt@mac.com) Received: from asmtpout027.mac.com (asmtpout027.mac.com [17.148.16.102]) by mx1.freebsd.org (Postfix) with ESMTP id 989FF8FC19 for ; Mon, 8 Mar 2010 23:21:27 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=us-ascii Received: from macbook-pro.jnpr.net (natint3.juniper.net [66.129.224.36]) by asmtp027.mac.com (Sun Java(tm) System Messaging Server 6.3-8.01 (built Dec 16 2008; 32bit)) with ESMTPSA id <0KYZ00FRJKVPEH00@asmtp027.mac.com> for freebsd-geom@freebsd.org; Mon, 08 Mar 2010 15:21:27 -0800 (PST) X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=5.0.0-0908210000 definitions=main-1003080214 From: Marcel Moolenaar In-reply-to: <4B958210.70108@icyb.net.ua> Date: Mon, 08 Mar 2010 15:21:25 -0800 Message-id: <252BDE43-6021-486A-B4BD-E003F4B07B1A@mac.com> References: <3158041B-8E00-4A87-8172-741C0AE57131@mac.com> <4B954367.3070804@icyb.net.ua> <4B9544B3.80203@icyb.net.ua> <03BFAAEC-6C59-48EF-BED9-2E68ED03E2B6@mac.com> <4B956533.2010900@icyb.net.ua> <4B958210.70108@icyb.net.ua> To: Andriy Gapon X-Mailer: Apple Mail (2.1077) Cc: Pete French , freebsd-geom@freebsd.org Subject: Re: another gpt vs mbr (sanity) check 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, 08 Mar 2010 23:21:27 -0000 On Mar 8, 2010, at 3:02 PM, Andriy Gapon wrote: >> >> In short, Apple bootcamp creates an invalid PMBR according to their >> own technote. > > It's not only the technote, it's the GPT spec itself. Actually, no. The spec clearly states that LBA 0 contains a protective MBR for the GPT format (UEFI 2.0, paragraph 5.3.1 on page 90). Paragraph 5.2 just the background information so that there's something to refer to... -- Marcel Moolenaar xcllnt@mac.com