From owner-freebsd-bugs@FreeBSD.ORG Thu Jul 9 21:10:03 2009 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3AA16106566B for ; Thu, 9 Jul 2009 21:10:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 0DCA58FC15 for ; Thu, 9 Jul 2009 21:10:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n69LA2T8013450 for ; Thu, 9 Jul 2009 21:10:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n69LA2l6013447; Thu, 9 Jul 2009 21:10:02 GMT (envelope-from gnats) Date: Thu, 9 Jul 2009 21:10:02 GMT Message-Id: <200907092110.n69LA2l6013447@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Jeff Kletsky Cc: Subject: Re: bin/115406: [patch] gpt(8) GPT MBR hangs award BIOS on boot X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Jeff Kletsky List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2009 21:10:03 -0000 The following reply was made to PR bin/115406; it has been noted by GNATS. From: Jeff Kletsky To: bug-followup@FreeBSD.org, kent@khauser.net Cc: Subject: Re: bin/115406: [patch] gpt(8) GPT MBR hangs award BIOS on boot Date: Thu, 09 Jul 2009 14:03:11 -0700 This needs another set of eyes on it. Re-reading the Intel spec in Table 11-7 Set to match the Starting LBA of the EFI Partition structure. Must be set to 0xFFFFFF if it is not possible to represent the starting LBA. suggests that the *starting* CHS should be the beginning of the disk, for a PMBR that protects the entire disk, as the OP indicates in the patch.