From owner-freebsd-current@FreeBSD.ORG  Sat May 24 12:55:13 2008
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
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 7B157106564A
	for <freebsd-current@freebsd.org>; Sat, 24 May 2008 12:55:13 +0000 (UTC)
	(envelope-from jhs@berklix.org)
Received: from flat.berklix.org (flat.berklix.org [83.236.223.115])
	by mx1.freebsd.org (Postfix) with ESMTP id 12C4F8FC0A
	for <freebsd-current@freebsd.org>; Sat, 24 May 2008 12:55:12 +0000 (UTC)
	(envelope-from jhs@berklix.org)
Received: from js.berklix.net (p549A5142.dip.t-dialin.net [84.154.81.66])
	(authenticated bits=0)
	by flat.berklix.org (8.13.8/8.13.8) with ESMTP id m4OCtAPk035865;
	Sat, 24 May 2008 14:55:11 +0200 (CEST)
	(envelope-from jhs@berklix.org)
Received: from fire.js.berklix.net (fire.js.berklix.net [192.168.91.41])
	by js.berklix.net (8.13.8/8.13.8) with ESMTP id m4OCvrZs092252;
	Sat, 24 May 2008 14:57:53 +0200 (CEST)
	(envelope-from jhs@berklix.org)
Received: from fire.js.berklix.net (localhost [127.0.0.1])
	by fire.js.berklix.net (8.13.8/8.13.8) with ESMTP id m4OCvh5q004204;
	Sat, 24 May 2008 14:57:48 +0200 (CEST)
	(envelope-from jhs@fire.js.berklix.net)
Message-Id: <200805241257.m4OCvh5q004204@fire.js.berklix.net>
To: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@freebsd.org>
From: "Julian Stacey" <jhs@berklix.org>
Organization: http://berklix.com BSD Unix Linux Consultancy, Munich Germany
User-agent: EXMH on FreeBSD http://berklix.com/free/
X-URL: http://berklix.com
In-reply-to: Your message "Fri, 23 May 2008 17:44:16 +0200."
	<A289B32D-AA0C-4EB9-9E63-7587ED33E82E@freebsd.org> 
Date: Sat, 24 May 2008 14:57:43 +0200
Sender: jhs@berklix.org
Cc: phoemix@harmless.hu, freebsd-current@freebsd.org
Subject: Re: ata mode at startup 
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 24 May 2008 12:55:13 -0000

> It would also be impossible to maintain,

I'm suprised.  I'd been thinking of an analogy to USB quirk table,
(I sent send-pr's for entries for that), but you know ATA code, I don't.

> thats why the current knobs  
> are there, if DMA fails you boot in "safe" mode ie PIO and then you  
> can experiment to your hearts content what your flakey HW can take.

Good point. ( I've wished before though, we'd thought of a more intuitive
name for "Safe", though not sure what it might be.)

Julian
-- 
Julian Stacey: BSDUnixLinux C Prog Admin SysEng Consult Munich www.berklix.com
	Mail just Ascii plain text.  HTML & Base64 text are spam.