To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Lee Revell <rlrevell@joe-job.com>, Pavel Machek <pavel@ucw.cz>,
       M <mru@mru.ath.cx>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: High pitched noise from laptop: processor.c in linux 2.6
References: <41650CAF.1040901@unimail.com.au>
	<20041007103210.GA32260@atrey.karlin.mff.cuni.cz>
	<yw1x7jq2n6k3.fsf@mru.ath.cx>
	<20041007143245.GA1698@openzaurus.ucw.cz>
	<1097956343.2148.17.camel@krustophenia.net>
	<1097963167.13226.4.camel@localhost.localdomain>
	<1097976283.2148.34.camel@krustophenia.net>
	<1097979705.13269.9.camel@localhost.localdomain>
From: Alexandre Oliva <aoliva@redhat.com>
Organization: Red Hat Global Engineering Services Compiler Team
Date: 22 Oct 2004 08:40:55 -0300
In-Reply-To: <1097979705.13269.9.camel@localhost.localdomain>
Message-ID: <oroeiv3rqw.fsf@livre.redhat.lsd.ic.unicamp.br>
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On Oct 16, 2004, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> Yes, and most laptops have this problem. They use SMM traps to talk to
> the battery

Hmm...  Since the SMM on this AMD64 notebook we've been talking about
on the thread about USB handoff isn't exactly AMD64-compliant, could
this be the reason why I can't get battery information?  I'm yet to
install a 32-bit-only system on this box to see whether it makes any
difference.

-- 
Alexandre Oliva             http://www.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}
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