Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262250AbUCIWps (ORCPT ); Tue, 9 Mar 2004 17:45:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262251AbUCIWps (ORCPT ); Tue, 9 Mar 2004 17:45:48 -0500 Received: from pop.gmx.de ([213.165.64.20]:52646 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S262250AbUCIWpk (ORCPT ); Tue, 9 Mar 2004 17:45:40 -0500 X-Authenticated: #4512188 Message-ID: <404E4913.3020005@gmx.de> Date: Tue, 09 Mar 2004 23:45:39 +0100 From: "Prakash K. Cheemplavam" User-Agent: Mozilla Thunderbird 0.5 (X11/20040216) X-Accept-Language: en-us, en MIME-Version: 1.0 To: john stultz CC: lkml , Andrew Morton , Linus Torvalds , len.brown@intel.com Subject: Re: ACPI PM Timer vs. C1 halt issue References: <404E38B7.5080008@gmx.de> <1078870289.12084.8.camel@cog.beaverton.ibm.com> In-Reply-To: <1078870289.12084.8.camel@cog.beaverton.ibm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 842 Lines: 23 john stultz wrote: > On Tue, 2004-03-09 at 13:35, Prakash K. Cheemplavam wrote: > >>I found out what causes higher idle temps when using mm-sources and >>2.6.4-rc vanilla sources: If I use PM Timer as timesource, it seems the >>C1 halt isn't properly called, at least CPU disconnect doesn't seem to >>work, thus leaving my CPU as hot as without disconnect. [snip] > > Sounds like a bug. I'm not very familiar w/ the ACPI cpu power states, > is there anything you have to do to trigger C1 Halt? Or is it just > called in the idle loop? It should be called within the idle loop. bye, Prakash - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/