From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1NSznq-0006xG-R1 for mharc-grub-devel@gnu.org; Thu, 07 Jan 2010 16:21:58 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NSzno-0006rw-Ch for grub-devel@gnu.org; Thu, 07 Jan 2010 16:21:56 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NSznj-0006fg-8Y for grub-devel@gnu.org; Thu, 07 Jan 2010 16:21:55 -0500 Received: from [199.232.76.173] (port=59696 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NSznj-0006fU-49 for grub-devel@gnu.org; Thu, 07 Jan 2010 16:21:51 -0500 Received: from xvm-190-8.ghst.net ([217.70.190.8]:42131 helo=aybabtu.com) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NSzni-0004Gh-Pd for grub-devel@gnu.org; Thu, 07 Jan 2010 16:21:50 -0500 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtp (Exim 4.69) (envelope-from ) id 1NSzng-0001Mo-Q5 for grub-devel@gnu.org; Thu, 07 Jan 2010 22:21:49 +0100 Received: from rmh by thorin with local (Exim 4.69) (envelope-from ) id 1NSzng-0006vH-9i for grub-devel@gnu.org; Thu, 07 Jan 2010 22:21:48 +0100 Date: Thu, 7 Jan 2010 22:21:48 +0100 From: Robert Millan To: The development of GNU GRUB Message-ID: <20100107212148.GD26340@thorin> References: <131780341001050857t6794b2a5o18be810f5bc30d11@mail.gmail.com> <131780341001050915g6025cca3m60b433d168c8b3bc@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <131780341001050915g6025cca3m60b433d168c8b3bc@mail.gmail.com> 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/1.5.18 (2008-05-17) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Subject: Re: EFI boot problem with MBP 5,4 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: Thu, 07 Jan 2010 21:21:56 -0000 On Tue, Jan 05, 2010 at 05:15:02PM +0000, Daire Byrne wrote: > Hi, > > It looks like recent kernels (namely 2.6.31 and 2.6.32) can't find the > initrd when booting from grub (efi) on a macbook pro 5,4 giving the > error: > > RAMDISK: Couldn't find valid RAM disk image starting at 0. > > The 2.6.30 kernel does not seem to suffer from this so something must > have changed in 2.6.31+. I also tested all three kernels on a MBP4,1 > and they all boot fine from grub - they find and load the initrd. In all > cases the grub.cfg and initrd remained the same and only the kernel > was changed. This could be a kernel issue but the fact that they all > boot on a MBP4,1 makes me think it is a EFI1.1 vs EFI 2.0 thing. > > As an aside I can get the nvidia module working with MBP5,4+2.6.30 but > a MBP4,1+2.6.30 can't find the vbios. Is this a known thing and is > there a possible fix for it? Perhaps you could run a regression test (aka bisect) on Linux source? This would help us figure out the problem (whether it's a bug in Linux, in GRUB or in your firmware). -- Robert Millan "Be the change you want to see in the world" -- Gandhi