From owner-freebsd-stable@FreeBSD.ORG  Wed Sep 30 11:17:36 2009
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id F1E1E1065692
	for <freebsd-stable@freebsd.org>; Wed, 30 Sep 2009 11:17:36 +0000 (UTC)
	(envelope-from lehmann@ans-netz.de)
Received: from avocado.salatschuessel.net (avocado.salatschuessel.net
	[78.111.72.186]) by mx1.freebsd.org (Postfix) with SMTP id 4B7578FC12
	for <freebsd-stable@freebsd.org>; Wed, 30 Sep 2009 11:17:35 +0000 (UTC)
Received: (qmail 58107 invoked by uid 89); 30 Sep 2009 11:17:34 -0000
Message-ID: <20090930111734.58106.qmail@avocado.salatschuessel.net>
References: <20090930060202.45527.qmail@avocado.salatschuessel.net>
	<200909301646.35019.doconnor@gsoft.com.au>
	<20090930075357.49914.qmail@avocado.salatschuessel.net>
	<1254304611.2268.962.camel@balrog.2hip.net>
In-Reply-To: <1254304611.2268.962.camel@balrog.2hip.net>
From: "Oliver Lehmann" <lehmann@ans-netz.de>
To: Robert Noland <rnoland@FreeBSD.org>
Date: Wed, 30 Sep 2009 13:17:34 +0200
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-performance@freebsd.org, freebsd-stable@freebsd.org
Subject: Re: SATA is to slow comparing with linux
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 30 Sep 2009 11:17:37 -0000

Robert Noland writes: 

> On Wed, 2009-09-30 at 09:53 +0200, Oliver Lehmann wrote:
>> I got a Promise SATA300 TX2plus instead. I'll rune some tests with later 
>> (when I'm back home ;))
> 
> I would also be curious how that ahci driver from -CURRENT is performing
> relative to other implementations.

So there is a new driver - never heard about ahci ;)
Is it sufficient to boot 8.0-RC1 livefs? It looks like ahci is not included 
in GENERIC so I have to load the module in the 2nd bootloader I guess. 
Something else like disabling the old ata driver? Or will the new driver be 
used automatically. I was not sure about the man page what "this one" means 
(the ataahci or the ahaci?): 

     AHCI hardware is also supported by ataahci driver from ata(4) 
subsystem.
     If both drivers are loaded at the same time, this one will be given
     precedence as the more functional of the two.