Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262212AbUCIVf7 (ORCPT ); Tue, 9 Mar 2004 16:35:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262214AbUCIVf7 (ORCPT ); Tue, 9 Mar 2004 16:35:59 -0500 Received: from pop.gmx.net ([213.165.64.20]:7336 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S262212AbUCIVf5 (ORCPT ); Tue, 9 Mar 2004 16:35:57 -0500 X-Authenticated: #4512188 Message-ID: <404E38B7.5080008@gmx.de> Date: Tue, 09 Mar 2004 22:35:51 +0100 From: "Prakash K. Cheemplavam" User-Agent: Mozilla Thunderbird 0.5 (X11/20040216) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: akpm@osdl.org, torvalds@osdl.org, len.brown@intel.com Subject: ACPI PM Timer vs. C1 halt issue Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 704 Lines: 20 Hi, 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. using tsc timesource: idle temps of about 45-47?C using pm timer: 52-53?C idle temps Is this a bug or a feature? I have nforce2 hardware. Tell me if you need anything else. 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/