From owner-freebsd-current@FreeBSD.ORG  Tue Nov 18 14:34:46 2003
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 904B216A4CE
	for <current@FreeBSD.org>; Tue, 18 Nov 2003 14:34:46 -0800 (PST)
Received: from gw.catspoiler.org (217-ip-163.nccn.net [209.79.217.163])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 9B54843FA3
	for <current@FreeBSD.org>; Tue, 18 Nov 2003 14:34:45 -0800 (PST)
	(envelope-from truckman@FreeBSD.org)
Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2])
	by gw.catspoiler.org (8.12.9p2/8.12.9) with ESMTP id hAIMYaeF091626;
	Tue, 18 Nov 2003 14:34:40 -0800 (PST)
	(envelope-from truckman@FreeBSD.org)
Message-Id: <200311182234.hAIMYaeF091626@gw.catspoiler.org>
From: Don Lewis <truckman@FreeBSD.org>
To: nate@root.org
In-Reply-To: <20031118142911.M65367@root.org>
MIME-Version: 1.0
Content-Type: TEXT/plain; charset=us-ascii
cc: current@FreeBSD.org
Subject: Re: Updated acpi_cpu patch
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
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>
Date: Tue, 18 Nov 2003 22:34:46 -0000
X-Original-Date: Tue, 18 Nov 2003 14:34:36 -0800 (PST)
X-List-Received-Date: Tue, 18 Nov 2003 22:34:46 -0000

On 18 Nov, Nate Lawson wrote:
> On Tue, 18 Nov 2003, Don Lewis wrote:
>> On 18 Nov, Lukas Ertl wrote:
>> > On Tue, 18 Nov 2003, Nate Lawson wrote:
>>
>> >> This excerpt from truckman@'s asl shows that 4 Cx states are only
>> >> available when the AC adapter is not attached.  (The C*NA memory addresses
>> >> appear to be managed by the BIOS and not the AML but the PSR access is
>> >> clear).
>> >
>> > This part of the ASL looks the one here - let me guess, is it a ThinkPad?
>> > :-)
>>
>> Yup, a Thinkpad R40, which refuses to actually power down in ACPI mode
>> when I run "shutdown -p".
> 
> That's an old problem that Linux is also trying to work around.  It
> appears to be buggy hw.

I wonder how Windoze does it ...