Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934282AbXEESQD (ORCPT ); Sat, 5 May 2007 14:16:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934283AbXEESQD (ORCPT ); Sat, 5 May 2007 14:16:03 -0400 Received: from mailer.gwdg.de ([134.76.10.26]:34774 "EHLO mailer.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934282AbXEESQB (ORCPT ); Sat, 5 May 2007 14:16:01 -0400 Date: Sat, 5 May 2007 20:13:22 +0200 (MEST) From: Jan Engelhardt To: =?ISO-8859-2?Q?Rafa=B3_Bilski?= cc: john stultz , davej@codemonkey.org.uk, Linux Kernel Mailing List , cpufreq@lists.linux.org.uk Subject: Re: cpufreq longhaul locks up In-Reply-To: <463C8D72.5070003@interia.pl> Message-ID: References: <1178311052.6094.0.camel@localhost.localdomain> <1178318978.6094.29.camel@localhost.localdomain> <463C01FA.8070206@interia.pl> <463C8D72.5070003@interia.pl> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1287 Lines: 33 On May 5 2007 15:58, Rafał Bilski wrote: >>>>>> Switching from acpi_pm+performance to acpi_pm+ondemand also >>>>>> locks up after a few minutes. >>>>> Yep. Sounds like an ondemand issue. Thanks for verifying this for me. >>>> Nah, it also happens with cpufreq_powersave. I just need to check >>>> through some archives and try booting with governor=powersave so that it >>>> always stays low. >>> You have a lockup when switching from other governor to powersave? Or if >>> You are using it for some time? >> >> After some time. >Don't understand me wrong, but this is very weird. I think that >powersave is changing frequency only one time, when it is loaded. I >will look into its code to be sure. Probably Longhaul is making >something what isn't allowed or there is hardware bug somewhere. I patched Kconfig and the kernel source so that powersave is the only governor available at boot (CONFIG_CPU_FREQ_GOV_POWERSAVE=y, CPU_FREQ_DEFAULT_GOV_POWERSAVE=y, CONFIG_X86_LONGHAUL=y) -- also locks up. I'll keep you posted. Jan -- - 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/