From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1NGfph-0006tx-T2 for mharc-grub-devel@gnu.org; Fri, 04 Dec 2009 16:36:57 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NGfpg-0006sr-Mn for grub-devel@gnu.org; Fri, 04 Dec 2009 16:36:56 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NGfpc-0006me-6K for grub-devel@gnu.org; Fri, 04 Dec 2009 16:36:56 -0500 Received: from [199.232.76.173] (port=48904 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NGfpc-0006mS-1U for grub-devel@gnu.org; Fri, 04 Dec 2009 16:36:52 -0500 Received: from xvm-190-8.ghst.net ([217.70.190.8]:57224 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 1NGfpb-0006re-OA for grub-devel@gnu.org; Fri, 04 Dec 2009 16:36:51 -0500 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtp (Exim 4.69) (envelope-from ) id 1NGfpZ-0003jo-I0 for grub-devel@gnu.org; Fri, 04 Dec 2009 22:36:49 +0100 Received: from rmh by thorin with local (Exim 4.69) (envelope-from ) id 1NGfpZ-0000ew-1X for grub-devel@gnu.org; Fri, 04 Dec 2009 22:36:49 +0100 Date: Fri, 4 Dec 2009 22:36:49 +0100 From: Robert Millan To: The development of GNU GRUB Message-ID: <20091204213649.GP1528@thorin> References: <20091202202646.GD23641@turki.gavron.org> <4B17D641.4070000@gmail.com> <2e59e6970912031627h5c9839b7wcf01171ee7574c8c@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2e59e6970912031627h5c9839b7wcf01171ee7574c8c@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: USB device not seen 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: Fri, 04 Dec 2009 21:36:56 -0000 On Thu, Dec 03, 2009 at 06:27:07PM -0600, richardvoigt@gmail.com wrote: > 2009/12/3 Vladimir 'φ-coder/phcoder' Serbinenko : > > Chris Jones wrote: > >> I am trying to have grub boot off a partition on a USB stick. > >> > >> > > You can't chainload to disk invisible by BIOS. But you can load > > supported OSes from it. > > What would be necessary to enable chainload to such devices? Install > an IRQ 19 handler? Yeah, something like that. In essence, GRUB acting as a BIOS. Sounds awful, but hey we already have "efiemu". > Invoke the extension ROM of the host adapter so > that it hooks IRQ 19? There's usually no such ROM. Except for adapters that come in discrete PCI cards. And even then, I doubt it's always present. -- 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."