From owner-freebsd-current@FreeBSD.ORG Mon Mar 30 18:34:32 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E5315106566C; Mon, 30 Mar 2009 18:34:32 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from mail-ew0-f171.google.com (mail-ew0-f171.google.com [209.85.219.171]) by mx1.freebsd.org (Postfix) with ESMTP id F306D8FC1F; Mon, 30 Mar 2009 18:34:31 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by ewy19 with SMTP id 19so2016063ewy.43 for ; Mon, 30 Mar 2009 11:34:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=g7pztWQPpNrbRFWZaM3Mx4qDQ2ku0BrUo1HF34czrNw=; b=bvzi9sbLXGFZAQiofaIXQsp8m4MMsvooEuIhN6of7HAhFr3unBVHarhn+hCJGUDAg/ bb8IMbZg7cYExeMFMKe6MlRE3u+6Oe26jUeJ/b4rlenouZv4HtIWhDUFRjcG3RAuvfAO lvQgG1oQ97m4nfSRN97va5SkC10jAJa17PwQE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=b2tzYHx6UgGKWkSW9BED7Op4UkWAvWC92n7Vta01HUJSWnStnywmQeR5QlwNyBWqG/ HVWYiznM57CFssqI4XJZbgWH0XLgJvq+ruKybjUtVxPRZfJbBhTfU24OlCcjU6dp1Ixo HZmsvMeTTBX70qGPi3DIzn63c0hesuc3Fm6F8= MIME-Version: 1.0 Received: by 10.210.127.13 with SMTP id z13mr2808036ebc.91.1238438070864; Mon, 30 Mar 2009 11:34:30 -0700 (PDT) In-Reply-To: <20090330171405.GB44858@citylink.fud.org.nz> References: <1237804575.1771.7.camel@balrog.2hip.net> <1237884572.1771.28.camel@balrog.2hip.net> <20090330061036.GA83528@citylink.fud.org.nz> <3a142e750903300804r75d6ef81kae69cdfdb618b719@mail.gmail.com> <20090330162553.GA44858@citylink.fud.org.nz> <3a142e750903301003o27369595gaee12b5f8232ac6@mail.gmail.com> <20090330171405.GB44858@citylink.fud.org.nz> Date: Mon, 30 Mar 2009 19:34:29 +0100 Message-ID: <3a142e750903301134i40328c88y1e150eb3859c009d@mail.gmail.com> From: "Paul B. Mahol" To: Andrew Thompson Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org, Nenhum_de_Nos , Robert Noland Subject: Re: Booting from usb hard disk X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2009 18:34:33 -0000 On 3/30/09, Andrew Thompson wrote: > On Mon, Mar 30, 2009 at 06:03:33PM +0100, Paul B. Mahol wrote: >> On 3/30/09, Andrew Thompson wrote: >> > On Mon, Mar 30, 2009 at 04:04:17PM +0100, Paul B. Mahol wrote: >> >> On 3/30/09, Andrew Thompson wrote: >> >> > On Tue, Mar 24, 2009 at 03:49:32AM -0500, Robert Noland wrote: >> >> >> On Mon, 2009-03-23 at 19:40 -0300, Nenhum_de_Nos wrote: >> >> >> > >> >> >> > I had problem a while ago with via mini itx hardware, that was >> >> >> > quite >> >> >> > close. If I try boot from usb (installed in usb hdd), I get to the >> >> >> > point >> >> >> > of loader not finding my disk. >> >> >> > >> >> >> > I then used a small flash disk attached to the ata (44 pin ide) >> >> >> > channel >> >> >> > and formatted /boot in there. this way I get to the point of mount >> >> >> > root >> >> >> > you said, and da0 not being alive soon enough to mount root. list >> >> >> > disks >> >> >> > also couldn't find da0 though. >> >> >> > >> >> >> > I tried current from that time, and no good. >> >> >> > >> >> >> > if this is solved, I'll be happy to try whatever patch to current. >> >> >> > (as >> >> >> > long as I can install it from another box/or its ata channel, as >> >> >> > it >> >> >> > can't >> >> >> > boot vanilla 7.1R) >> >> >> >> >> >> So, my solution was to set kern.cam.scsi_delay=10000 >> >> >> in /boot/loader.conf >> >> > >> >> > The following patch should work. It creates interleaving root hold >> >> > tokens from the CAM probe to disk_create and geom providor tasting. >> >> > I had to add a malloc type flag as sleeping isnt allowed at the point >> >> > I >> >> > added the token alloc in CAM. >> >> > >> >> > http://people.freebsd.org/~thompsa/root_wait.diff >> >> >> >> Hmm, this is supposed to fix issue when trying to boot from usb disk >> >> with UP kernel? >> > >> > This is to address the issue where the usb disk hasnt been attached by >> > the time the root filesystem is mounted. ie, you are booting from usb. >> > >> > If your problem is different then please say. >> >> On SMP booting from usb works (kern.cam.scsi_delay=2000), da0 will appear >> after user is asked to enter root mount point, and pressing ? will show >> ufs:da0s1a. On UP it doesnt work, ufs:da0s1a is not available. >> I thought it may be related to scsi_delay but increasing it was not >> solution. > > Well the patch should (hopefully) fix this and you will no longer need > to set the scsi delay. Please test! :) With 2000 it works for both UP & SMP but setting scsi_delay to 50000 caused text to scroll forever, waiting for CAM. Could scsi_delay get removed? -- Paul