Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758074AbYFGXg5 (ORCPT ); Sat, 7 Jun 2008 19:36:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754283AbYFGXgp (ORCPT ); Sat, 7 Jun 2008 19:36:45 -0400 Received: from ns1.suse.de ([195.135.220.2]:50332 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754595AbYFGXgX (ORCPT ); Sat, 7 Jun 2008 19:36:23 -0400 Date: Sun, 8 Jun 2008 01:36:40 +0200 From: Holger Macht To: Arjan van de Ven Cc: Pavel Machek , auke-jan.h.kok@intel.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, len.brown@intel.com, cpufreq@lists.linux.org.uk, davej@codemonkey.org.uk Subject: Re: bug? acpi p-state + ondemand keeps dropping max freq Message-ID: <20080607233640.GA9266@homac> Mail-Followup-To: Arjan van de Ven , Pavel Machek , auke-jan.h.kok@intel.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, len.brown@intel.com, cpufreq@lists.linux.org.uk, davej@codemonkey.org.uk References: <20080606140846.GA9580@ucw.cz> <20080607213918.GC1746@elf.ucw.cz> <20080607145435.4afc9812@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080607145435.4afc9812@infradead.org> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1517 Lines: 41 On Sat 07. Jun - 14:54:35, Arjan van de Ven wrote: > On Sat, 7 Jun 2008 23:39:18 +0200 > Pavel Machek wrote: > > > > # echo 1866000 > scaling_max_freq ; cat scaling_max_freq > > > 800000 > > > # echo 1866000 > scaling_max_freq ; cat scaling_max_freq > > > 800000 > > > > > > > > > This renders my Dothan to utterly poor speeds. (standard T43) > > > > > > performance cpufreq governor makes no difference - I still can't > > > change the frequency upper/lower values. > > > > Hmm, I have similar problem in Novell bugzilla, on very different hw: > > > > https://bugzilla.novell.com/show_bug.cgi?id=396311 > > > > Pavel > > > > > are either of you running gnome-power-manager or kpowersaved ? > sometimes these programs (and more likely, the patches added by a > distro maintainer who doesn't fully realize how power works) tend to > muck with kernel settings around CPU frequency that they have > absolutely no business touching... I'm not aware of any 'brand' of kpowersave or gnome-power-manager which could interfere here. Nor I'm aware of any backends in recent distros which tweak the 'max freq' knobs. So I don't think this can be related. Or please be a little bit more detailed about what you're referring to... Regards, Holger -- 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/