From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1KNbNB-0001Kn-Nl for mharc-grub-devel@gnu.org; Mon, 28 Jul 2008 18:39:21 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KNbN9-0001Jk-TN for grub-devel@gnu.org; Mon, 28 Jul 2008 18:39:19 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KNbN8-0001Is-Cp for grub-devel@gnu.org; Mon, 28 Jul 2008 18:39:19 -0400 Received: from [199.232.76.173] (port=45365 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KNbN8-0001Il-2V for grub-devel@gnu.org; Mon, 28 Jul 2008 18:39:18 -0400 Received: from aybabtu.com ([69.60.117.155]:49685) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KNbN7-0000Mr-NK for grub-devel@gnu.org; Mon, 28 Jul 2008 18:39:17 -0400 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1KNbGc-0002cQ-6l for grub-devel@gnu.org; Tue, 29 Jul 2008 00:32:34 +0200 Received: from rmh by thorin with local (Exim 4.63) (envelope-from ) id 1KNbM6-0005Fq-SI for grub-devel@gnu.org; Tue, 29 Jul 2008 00:38:14 +0200 Date: Tue, 29 Jul 2008 00:38:14 +0200 From: Robert Millan To: The development of GRUB 2 Message-ID: <20080728223814.GA20150@thorin> References: <200804131734.50447.Chris.Knadle@coredump.us> <200807281441.29191.Chris.Knadle@coredump.us> <1217271348.4016.80.camel@fz-deb.local> <200807281525.00219.Chris.Knadle@coredump.us> <20080728212026.GA7386@thorin> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080728212026.GA7386@thorin> Organization: free as in freedom X-Message-Flag: Worried about Outlook viruses? Switch to Thunderbird! www.mozilla.com/thunderbird X-Debbugs-No-Ack: true User-Agent: Mutt/1.5.13 (2006-08-11) X-detected-kernel: by monty-python.gnu.org: Genre and OS details not recognized. Subject: Re: grub-probe fails to find PC partition due to Apple disklabel 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: Mon, 28 Jul 2008 22:39:20 -0000 On Mon, Jul 28, 2008 at 11:20:26PM +0200, Robert Millan wrote: > On Mon, Jul 28, 2008 at 03:25:00PM -0400, Chris Knadle wrote: > > On Monday 28 July 2008, Felix Zielcke wrote: > > > Am Montag, den 28.07.2008, 14:41 -0400 schrieb Chris Knadle: > > > > However on the last test I did make an error and left out the -d > > > > option to grub-probe, and that's required for the grub-probe to succeed, > > > > so unfortunately the output I posted is erroneous. > > > > A new one is attached which has Robert's patch applied -- it does > > > > succeed in finding the partition, but unfortunately we can't fix the > > > > problem this way because I believe it makes Apple partition detection > > > > *always* fail. > > > > > > Urgs, yeah didn't see that. > > > You have to use -d if you give a device. > > > Why do you think that with this it will always fail? > > > > Because the test that the patch does is to check for an HFS+ filesystem > > magic number against the first 2 bytes on the drive, which contains a jump > > vector for the Grub stage1 binary. i.e. in order for the test to pass, Grub > > has to be unbootable. > > My check has nothing to do with HFS+, it's based on the header magic number > (0x4552), which differs from the partition magic (0x504D) but also from the > HFS+ magic (0x482B, 0x4858). > > Please could you test it against an apple partmap? Actually, it was simple for me to test, since Parted supports apple/mac partition tables. The test I added succeeds with the partition I created, so it must be good. I just checked that in. Thanks a lot for the long & tedious debugging process. -- Robert Millan The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and how) you may access your data; but nobody's threatening your freedom: we still allow you to remove your data and not access it at all."