From owner-freebsd-hackers@FreeBSD.ORG Mon Mar 28 22:12:42 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 11315106566B for ; Mon, 28 Mar 2011 22:12:42 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) Received: from argol.doit.wisc.edu (argol.doit.wisc.edu [144.92.197.212]) by mx1.freebsd.org (Postfix) with ESMTP id D6C5C8FC1E for ; Mon, 28 Mar 2011 22:12:41 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII; format=flowed Received: from avs-daemon.smtpauth3.wiscmail.wisc.edu by smtpauth3.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 7u2-7.05 32bit (built Jul 30 2009)) id <0LIS00200DL4JK00@smtpauth3.wiscmail.wisc.edu> for freebsd-hackers@freebsd.org; Mon, 28 Mar 2011 16:12:40 -0500 (CDT) Received: from anacreon.physics.wisc.edu (anacreon.physics.wisc.edu [128.104.160.176]) by smtpauth3.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 7u2-7.05 32bit (built Jul 30 2009)) with ESMTPSA id <0LIS00FC1DL37V50@smtpauth3.wiscmail.wisc.edu> for freebsd-hackers@freebsd.org; Mon, 28 Mar 2011 16:12:40 -0500 (CDT) Date: Mon, 28 Mar 2011 16:12:39 -0500 From: Nathan Whitehorn In-reply-to: <8CDBBA235B59E56-11D4-42F9@web-mmc-d02.sysops.aol.com> To: freebsd-hackers@freebsd.org Message-id: <4D90F9C7.3060408@freebsd.org> X-Spam-Report: AuthenticatedSender=yes, SenderIP=128.104.160.176 X-Spam-PmxInfo: Server=avs-11, Version=5.6.0.2009776, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2011.3.28.210018, SenderIP=128.104.160.176 References: <8CDBBA235B59E56-11D4-42F9@web-mmc-d02.sysops.aol.com> User-Agent: Mozilla/5.0 (X11; U; FreeBSD powerpc; en-US; rv:1.9.2.15) Gecko/20110305 Thunderbird/3.1.9 Subject: Re: multi-boot bootstrap? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Mar 2011 22:12:42 -0000 On 03/28/11 15:59, dieterbsd@engineer.com wrote: > > >> From what I know, one or the other can only be as >> the first entry and it then has to be set from the forth prompt. >> So, you will need two disks to boot , saya: OpenBSD, NetBSD, FreeBSD, > Linux, >> and MacOSX or a combination of these. >> >> On PPC boxes with OpenFirmware 3.x, you actually need to set the > active >> partition if you want to boot Linux and/or freebsd from the forth > prompt if >> both are on the same disk. > > Can these PPC boxes boot from GPT disks? "active partition" sounds > MBRish. > Perhaps they can use the "protective MBR" trick? No, they can only boot from APM (Apple Partition Map) disks, which don't have a concept of active partition. The current boot1 on PPC is hard-coded to boot from the first UFS partition on the disk, which could be changed, certainly, but is almost totally unrelated to this discussion. -Nathan