From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1L7ErQ-0005iq-Cc for mharc-grub-devel@gnu.org; Mon, 01 Dec 2008 14:55:12 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1L7ErO-0005iT-MG for grub-devel@gnu.org; Mon, 01 Dec 2008 14:55:10 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1L7ErN-0005hk-1S for grub-devel@gnu.org; Mon, 01 Dec 2008 14:55:10 -0500 Received: from [199.232.76.173] (port=59134 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L7ErM-0005hh-SX for grub-devel@gnu.org; Mon, 01 Dec 2008 14:55:08 -0500 Received: from main.gmane.org ([80.91.229.2]:38586 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1L7ErM-0008Cz-Co for grub-devel@gnu.org; Mon, 01 Dec 2008 14:55:08 -0500 Received: from root by ciao.gmane.org with local (Exim 4.43) id 1L7ErG-0003hN-V8 for grub-devel@gnu.org; Mon, 01 Dec 2008 19:55:02 +0000 Received: from pc-100-195-44-190.cm.vtr.net ([190.44.195.100]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 01 Dec 2008 19:55:02 +0000 Received: from fsateler by pc-100-195-44-190.cm.vtr.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 01 Dec 2008 19:55:02 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: grub-devel@gnu.org From: Felipe Sateler Followup-To: gmane.linux.power-management.powertop Date: Mon, 01 Dec 2008 16:23:01 -0300 Message-ID: References: <904501.20152.qm@web54402.mail.yahoo.com> <49300FF9.2000005@linux.intel.com> <0oi806-g9l.ln1@ppp150-101-64-129.as1.adl6.internode.on.net> <49342A16.8070505@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: pc-100-195-44-190.cm.vtr.net User-Agent: KNode/0.10.9 Sender: news X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Cc: discuss@lesswatts.org, power@bughost.org, grub-devel@gnu.org Subject: Re: Parallel kernel loading and keystroke capture in GRUB2 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, 01 Dec 2008 19:55:10 -0000 Kok, Auke wrote: > Arthur Marsh wrote: >> Arjan van de Ven wrote, on 2008-11-29 02:06: >>> Vlad wrote: >>>> Hi, >>>> >>>> In a recent demonstration of how to boot Linux in 5 seconds [1], >>>> PowerTOP developers did not use GRUB2, even though GRUB2 is a >>>> necessary component of any production and consumer Linux system or >>>> multi-boot environment. As I see it, the greatest disadvantage of >>>> GRUB2 is that it needlessly wastes the time in which it gives the >>>> user the chance to stall the boot sequence in order to make changes >>>> to the boot settings. Of course, having this option available is a >>>> necesity in case the user's hardware requires tweaking the >>>> parameters passed to the kernel. However, GRUB2 should be loading >>>> the default kernel during this time, instead of deferring this >>>> IO-bound task to after the timeout has elapsed. >>> we used grub 1. >>>> Since popular Linux distros typically display the GRUB2 intro >>>> message for 30 seconds, >>> I'm not aware of mainstream distributions using grub2 yet. Also, I'm >>> not aware of any distro using 30 seconds as timeout, the longest I've >>> seen is 5 seconds. >> >> Debian GNU/Linux offers grub2 as an option on installation. > > Debian also offers the kitchen sink, including anvil and builtin laser > microscope. > > It's fine that they do, but I doubt that debian or any of the other > distributions will want to offer grub2 as DEFAULT bootloader at installation > time. > > Until that happens grub2 is an experiment and certainly not interesting for > fast boot purposes. I would personally stay far away from grub2. grub2 is enabled in the debian installer by default given some conditions are met (if I understand correctly, only when installing on some EFI-based systems). There was a proposal to make grub2 default for lenny, but apparently it didn't make it. -- Felipe Sateler