From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1ONTdP-0002SS-GQ for mharc-grub-devel@gnu.org; Sat, 12 Jun 2010 12:32:39 -0400 Received: from [140.186.70.92] (port=49440 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ONTdM-0002QT-Jt for grub-devel@gnu.org; Sat, 12 Jun 2010 12:32:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1ONTdL-0005QS-AB for grub-devel@gnu.org; Sat, 12 Jun 2010 12:32:36 -0400 Received: from mail-wy0-f169.google.com ([74.125.82.169]:39032) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1ONTdL-0005QG-6D for grub-devel@gnu.org; Sat, 12 Jun 2010 12:32:35 -0400 Received: by wyf28 with SMTP id 28so2288565wyf.0 for ; Sat, 12 Jun 2010 09:32:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=yvLNOtAjI6+Z+9AbtVCKNeIAa8Njr+oTbNBMja01LWo=; b=c2Lgo6ZUB/64ABtpNzpqgGIeO3KBw03AZKawLipssNC6u/5dDR1ZEQXbg36ZzbbHB0 hKJDQPUU+OZkb8ba55RbqSBrwnL8QwG86biSKIIQpZsE6Hllz/TrCIqgDdEfdvJjql4C ElabE2SLh/GEn7VrzE/GfQDIyS1qgFIjA5v6M= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; b=bsR/arWKHFVrbsIx/C/mQuH///Oe7AcL0dtklTpe2ckaKkZmD4FNAX5U/3PEOeyiva QkkuRTGyQ2a78OW9dvwKskZ4dcBw2DSSYcu0CuuThtKAagrAb3vjRdYYXa3YrN8oIDIW XCPumD2lrkVcgugYReVyC9G345tOz1v5sTFlY= Received: by 10.227.144.141 with SMTP id z13mr3464642wbu.154.1276360353986; Sat, 12 Jun 2010 09:32:33 -0700 (PDT) Received: from [192.168.1.50] (c2433-1-88-160-112-182.fbx.proxad.net [88.160.112.182]) by mx.google.com with ESMTPS id b17sm19680368wbd.19.2010.06.12.09.32.33 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sat, 12 Jun 2010 09:32:33 -0700 (PDT) Message-ID: <4C13B6A8.7060102@gmail.com> Date: Sat, 12 Jun 2010 18:32:40 +0200 From: =?UTF-8?B?R3LDqWdvaXJlIFN1dHJl?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100515 Icedove/3.0.4 MIME-Version: 1.0 To: The development of GNU GRUB References: <4C0BE2C7.4020407@gmail.com> <4C0D5AAE.6070504@gmail.com> In-Reply-To: <4C0D5AAE.6070504@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) Subject: Re: Which partitioning schemes should be supported by GRUB? 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: Sat, 12 Jun 2010 16:32:38 -0000 On 06/07/2010 10:46 PM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > There are two parts of this question: > 1) Which partition schemes should GRUB be able to read modules and > payloads from ? It's platform-indepedent and 2 conditions apply: > - Usage. There are OS which are able to boot from such OS and such > configuration isn't considered obscure by them. > - Non-confusability. The risk of false positive of this partition config > which would prevent normal function is small. > If at least one condition is met it's worth considering. If both > conditions are met it should be supported. According to these rules, hybrid msdos+gpt partitioning schemes should be supported. Grub should be able to read files from a GPT partition even if the protective GPT entry in the MBR is not in the first slot. It's also the conclusion of the thread [1], but I admit that this thread is two years old. Grégoire [1] http://lists.gnu.org/archive/html/grub-devel/2008-09/msg00101.html