From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1OELW4-0001CD-MS for mharc-grub-devel@gnu.org; Tue, 18 May 2010 08:03:20 -0400 Received: from [140.186.70.92] (port=53652 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OELW1-00019k-W9 for grub-devel@gnu.org; Tue, 18 May 2010 08:03:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OELVz-0006Rs-I1 for grub-devel@gnu.org; Tue, 18 May 2010 08:03:17 -0400 Received: from smarthost01.mail.zen.net.uk ([212.23.3.140]:41759) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OELVz-0006RQ-4T for grub-devel@gnu.org; Tue, 18 May 2010 08:03:15 -0400 Received: from [82.69.40.219] (helo=riva.pelham.vpn.ucam.org) by smarthost01.mail.zen.net.uk with esmtp (Exim 4.63) (envelope-from ) id 1OELVx-0005Uf-0t; Tue, 18 May 2010 12:03:13 +0000 Received: from cjwatson by riva.pelham.vpn.ucam.org with local (Exim 3.36 #1 (Debian)) id 1OELVw-0004xo-00; Tue, 18 May 2010 13:03:12 +0100 Date: Tue, 18 May 2010 13:03:11 +0100 From: Colin Watson To: The development of GNU GRUB Message-ID: <20100518120311.GL21862@riva.ucam.org> References: <4BF1B99C.5050807@gmail.com> <20100518111217.GK21862@riva.ucam.org> <4BF27916.40906@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4BF27916.40906@gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-Originating-Smarthost01-IP: [82.69.40.219] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) Cc: Thomas Schmitt Subject: Re: Using efi image on USB stick X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 May 2010 12:03:19 -0000 On Tue, May 18, 2010 at 01:25:10PM +0200, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > Colin Watson wrote: > > On Mon, May 17, 2010 at 11:48:12PM +0200, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > >> Thanks to Seth Goldberg's and Jordan Uggla's testing it was discovered > >> how to make same iso bootable on EFI as both cdrom and usb stick. For > >> this it's needed in addition to el-torito to add a partition table with > >> a partition type 0xef pointing to the EFI image. > > > > I ran across http://fedoraproject.org/wiki/Anaconda/Features/UEFI the > > other day, which says that a number of BIOSes fail to handle multiple El > > Torito boot images correctly. You seem to be taking a somewhat > > different approach; does it avoid this problem? > > We still need 2 El Torito images. I was just discussing how to make it > bootable when dd'ed to USB stick. We keep BIOS El-torito image first in > catalog so buggy BIOSes should still handle it correctly. The Fedora wiki page suggests that this is sadly not the case. I guess all we can do is test ... -- Colin Watson [cjwatson@ubuntu.com]