From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1OW3vW-0003jw-H0 for mharc-grub-devel@gnu.org; Tue, 06 Jul 2010 04:54:50 -0400 Received: from [140.186.70.92] (port=50324 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OW3vT-0003hg-Kh for grub-devel@gnu.org; Tue, 06 Jul 2010 04:54:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OW3vP-00048W-Tp for grub-devel@gnu.org; Tue, 06 Jul 2010 04:54:44 -0400 Received: from smarthost03.mail.zen.net.uk ([212.23.3.142]:49431) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OW3vP-00048M-OL for grub-devel@gnu.org; Tue, 06 Jul 2010 04:54:43 -0400 Received: from [82.69.40.219] (helo=riva.pelham.vpn.ucam.org) by smarthost03.mail.zen.net.uk with esmtp (Exim 4.63) (envelope-from ) id 1OW3vO-0004oK-2f; Tue, 06 Jul 2010 08:54:42 +0000 Received: from cjwatson by riva.pelham.vpn.ucam.org with local (Exim 3.36 #1 (Debian)) id 1OW3vL-0005Ej-00; Tue, 06 Jul 2010 09:54:40 +0100 Date: Tue, 6 Jul 2010 09:54:38 +0100 From: Colin Watson To: grub-devel@gnu.org Message-ID: <20100706085437.GF12396@riva.ucam.org> References: <20100706063751.2639.80213.reportbug@mac.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100706063751.2639.80213.reportbug@mac.home> User-Agent: Mutt/1.5.18 (2008-05-17) X-Originating-Smarthost03-IP: [82.69.40.219] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) Cc: 588208-forwarded@bugs.debian.org, Tino Keitel Subject: Re: Bug#588208: grub-efi-ia32: breaks video of Mac Mini Core 2 Duo 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, 06 Jul 2010 08:54:49 -0000 On Tue, Jul 06, 2010 at 08:37:51AM +0200, Tino Keitel wrote: > Package: grub-efi-ia32 > Version: 1.98+20100705-1 > Severity: critical > Justification: breaks unrelated software For what it's worth, I'm likely to downgrade this for a while, until a current version gets into testing; the version in testing has some serious problems on all architectures right now that badly need to be fixed. > after installing and using the current grub-efi-ia32, I got a grub menu > once, which filled the whole screen in the native display resolution > (1680x1050), instead of the 640x480 screen I used to get with older grub > versions. Then I booted Linux. > > After a reboot, I don't get any video signal unless I boot a Linux kernel. I > get no video signal in the EFI firmware, in the menu when I hold the cmd (or > left alt) key during boot, in the grub menu, and in OS X. So the computer > is now damaged and unusable until a Linux kernel is loaded. I have no idea > what exactly caused this, but I'm using this Mac for more than a year now, > and used another Mac mini Core Duo a few years before this, and never got > such behaviour. The only thing I did was to install and use grub-efi-ia32 > 1.98+20100705-1. I used grub-efi-ia32 1.98 before. Can anyone on grub-devel comment on this? It seems remarkable that we could be breaking video for future boots, and I wouldn't know where to start looking. (Full configuration details at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=588208.) -- Colin Watson [cjwatson@ubuntu.com]