Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759055AbXFIT1d (ORCPT ); Sat, 9 Jun 2007 15:27:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758560AbXFIT1Z (ORCPT ); Sat, 9 Jun 2007 15:27:25 -0400 Received: from main.gmane.org ([80.91.229.2]:53363 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755453AbXFIT1Y (ORCPT ); Sat, 9 Jun 2007 15:27:24 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Matthieu CASTET Subject: Re: PROBLEM: system clock slow on Athlon AMD64 since 2.6.21 Date: Sat, 9 Jun 2007 19:27:04 +0000 (UTC) Message-ID: References: <200706091453.l59ErWtB026333@harpo.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: cac94-1-81-57-151-96.fbx.proxad.net User-Agent: Pan/0.129 (Benson & Hedges Moscow Gold) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 990 Lines: 19 Hi, On Sat, 09 Jun 2007 16:53:32 +0200, Mikael Pettersson wrote: > On Fri, 08 Jun 2007 10:14:03 +0200, Gerard H. Pille wrote: >> [1.] One line summary of the problem: Since I switched from 2.6.20 to >> 2.6.21 on my Athlon AMD64 laptop, the system time is slow - about 1' on >> 15'. > > According to your system description it seems that you have a Targa > Visionary laptop with a VIA chipset and a Mobile Athlon64. If so, then > you probably have the same problem I reported some time ago: see > and the > followup messages. The conclusion was that the chipset's ACPI PM timer > slows down when the CPU is in C2. Isn't possible to chose something other than ACPI PM timer ? Matthieu - 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/