From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1JNbJU-0007kU-JW for mharc-grub-devel@gnu.org; Fri, 08 Feb 2008 17:03:16 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JNbJS-0007g6-JV for grub-devel@gnu.org; Fri, 08 Feb 2008 17:03:14 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JNbJR-0007cz-6i for grub-devel@gnu.org; Fri, 08 Feb 2008 17:03:14 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JNbJQ-0007cX-SH for grub-devel@gnu.org; Fri, 08 Feb 2008 17:03:12 -0500 Received: from mailout01.sul.t-online.de ([194.25.134.80] helo=mailout01.sul.t-online.com) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1JNbJQ-0003FT-GJ for grub-devel@gnu.org; Fri, 08 Feb 2008 17:03:12 -0500 Received: from fwd29.aul.t-online.de by mailout01.sul.t-online.com with smtp id 1JNbJO-0005cT-00; Fri, 08 Feb 2008 23:03:10 +0100 Received: from [10.3.2.2] (Zk8MM4Zp8hQlbrkBSl08gBbY66De-bYfIg+3aZ6PS83cGXZog2rAh+NHgsfUckMZ+z@[217.235.248.134]) by fwd29.aul.t-online.de with esmtp id 1JNbJG-2GZ11M0; Fri, 8 Feb 2008 23:03:02 +0100 Message-ID: <47ACD19B.8040702@t-online.de> Date: Fri, 08 Feb 2008 23:03:07 +0100 From: Christian Franke User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071128 SeaMonkey/1.1.7 MIME-Version: 1.0 To: The development of GRUB 2 References: <47ACA35C.6080803@t-online.de> <20080208191743.GB24599@thorin> In-Reply-To: <20080208191743.GB24599@thorin> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ID: Zk8MM4Zp8hQlbrkBSl08gBbY66De-bYfIg+3aZ6PS83cGXZog2rAh+NHgsfUckMZ+z X-TOI-MSGID: 28192657-5f22-4a65-a6c3-39ad627c5e9f X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 3) Subject: Re: [PATCH] Create floppy emulation boot CD with grub-mkimage X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Feb 2008 22:03:14 -0000 Robert Millan wrote: > On Fri, Feb 08, 2008 at 07:45:48PM +0100, Christian Franke wrote: > >> A CD created by "grub-mkrescue --image-type=cdrom" does not work for me >> for some reason. >> > > This is AFAIK the most widely used method for CD boot. Do other CDs work for > you? > > Yes, all of my boot CDs work :-) Meantime, I found the problem: cdboot.img was > 512 bytes. I forgot to add the ld script necessary for the Cygwin build (-N does not work). Should have checked this first, sorry. Now the CD boots, but the result is interesting: Real PC: escape to rescue mode, root=hd31, no (cd0) device, no modules. VMWare: same. VirtualPC: escape to rescue mode, root=cd15, (cd0) exists, normal mode can be started manually. VirtualBox: Works as expected. Both floppy and "floppy(on)cd" both work as expected. > If this is a bug, I think it's better to fix it instead of adding workarounds. > > Yes, but the patch provides the end-user with a simple way to create a fall back boot CD when the normal boot CD does not work for whatever reason. And the patch does not break anything existing. Christian