From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756349AbYIDTU3 (ORCPT ); Thu, 4 Sep 2008 15:20:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754106AbYIDTUU (ORCPT ); Thu, 4 Sep 2008 15:20:20 -0400 Received: from www.tglx.de ([62.245.132.106]:59714 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753702AbYIDTUT (ORCPT ); Thu, 4 Sep 2008 15:20:19 -0400 Date: Thu, 4 Sep 2008 21:20:13 +0200 (CEST) From: Thomas Gleixner To: Matt Parnell cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.27-rc0 Power Bugs with HP/Compaq Laptops In-Reply-To: <680ad8bc0808070757u49e13b3br1f69fb4881dc44ce@mail.gmail.com> Message-ID: References: <680ad8bc0808070757u49e13b3br1f69fb4881dc44ce@mail.gmail.com> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Matt, On Thu, 7 Aug 2008, Matt Parnell wrote: > I have had a long ongoing ordeal dealing with the problems associated > with the HP Pavilion Laptops, mine being a dv9000 series. It seems > that these either have a broken HPET table, a missing HPET table, or > some other ACPI issue, as this thing has always had many issues > regarding ACPI. First, C1E was broken until I totally disabled it with > a patch, but since .27, that code has been rewritten, and now for some > reason HPET isn't working anymore, as I have to set the > clocksource=tsc. On top of that, the tsc clocksource is unstable, and > with or without dynticks the .27 kernels on my laptop feel slower, and > laggy, as even KDE slows down whilest using it. Everything works fine > if I disable the local apic (lapic), but when I do, only one of my CPU > cores is detected and used, and the CPU frequency scaling doesn't work > either. No matter what I do with .27, it just won't work. There is a series of related fixes to C1E/HPET in the bugzilla entry http://bugzilla.kernel.org/attachment.cgi?id=17622 Patch is available from: http://bugzilla.kernel.org/show_bug.cgi?id=11418 Can you please test that on the latest linus git ? Thanks, tglx