From owner-freebsd-stable@FreeBSD.ORG  Mon Nov 21 18:38:01 2005
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
X-Original-To: freebsd-stable@freebsd.org
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 581F816A41F;
	Mon, 21 Nov 2005 18:38:01 +0000 (GMT) (envelope-from nate@root.org)
Received: from www.cryptography.com (li-22.members.linode.com [64.5.53.22])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 85ECB43D72;
	Mon, 21 Nov 2005 18:37:57 +0000 (GMT) (envelope-from nate@root.org)
Received: from [10.0.5.50] (ppp-71-139-0-107.dsl.snfc21.pacbell.net
	[71.139.0.107])
	by www.cryptography.com (8.12.8/8.12.8) with ESMTP id jALIc0De010767
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Mon, 21 Nov 2005 10:38:00 -0800
Message-ID: <438213E5.70508@root.org>
Date: Mon, 21 Nov 2005 10:37:25 -0800
From: Nate Lawson <nate@root.org>
User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050716)
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Hajimu UMEMOTO <ume@freebsd.org>
References: <4377775B.3080606@pldrouin.net>	<20051114105854.GA1041@galgenberg.net>	<4378CC14.2020109@pldrouin.net>
	<ygek6f9g83g.wl%ume@mahoroba.org>
In-Reply-To: <ygek6f9g83g.wl%ume@mahoroba.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: Pierre-Luc Drouin <pldrouin@pldrouin.net>, acpi@freebsd.org,
	freebsd-stable@freebsd.org
Subject: Re: Performance problem since updating from 6.0-RELEASE
 to	6.0-STABLE last friday
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: Mon, 21 Nov 2005 18:38:01 -0000

Hajimu UMEMOTO wrote:
> Hi,
> 
> 
>>>>>>On Mon, 14 Nov 2005 12:40:36 -0500
>>>>>>Pierre-Luc Drouin <pldrouin@pldrouin.net> said:
> 
> 
> pldrouin> Yep, smart battery is definately the problem. The performance of my 
> pldrouin> laptop is back to normal when I remove the xfce4-battery-plugin. 
> pldrouin> acpiconf -i loop reproduces the problem for me too. So it looks like 
> pldrouin> there is something wrong in smart battery.
> 
> The cmbat has similar issue on some laptops.  So, acpi_cmbat.c uses
> cache for retrieval to reduce its influence, and its expiration
> time is set by hw.acpi.battery.info_expire.
> However, acpi_smbat.c doesn't use cache.  So, I made a patch.  Since I
> don't have a laptop which has smbat, I cannot test it by myself.
> Please test it and let me know the result.

The patch looks good to me, you should commit please.


-- 
Nate