From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755486Ab1AaKaH (ORCPT ); Mon, 31 Jan 2011 05:30:07 -0500 Received: from mailout08.t-online.de ([194.25.134.20]:43965 "EHLO mailout08.t-online.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755400Ab1AaKaD (ORCPT ); Mon, 31 Jan 2011 05:30:03 -0500 Message-ID: <4D468F1F.8030704@t-online.de> Date: Mon, 31 Jan 2011 11:29:51 +0100 From: =?UTF-8?B?UmljaGFyZCBTY2jDvHR6?= User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101230 Lanikai/3.1.7 MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: =?UTF-8?B?T3phbiDDh2HEn2xheWFu?= , Lionel Debroux , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, colin.king@canonical.com Subject: Re: Common boot/shutdown issues with the latest 2.6.37 (Mostly Asus laptops) References: <556624.21214.qm@web28409.mail.ukl.yahoo.com> <201101311050.49722.rjw@sisk.pl> <4D468CF0.9040103@t-online.de> <201101311123.14704.rjw@sisk.pl> In-Reply-To: <201101311123.14704.rjw@sisk.pl> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ID: VbTJSkZDrhippSlPgx5abFVIblbqRhkD+DGX3Ocm8CJMC9U-QLnO8lLstO7mMs9g5v X-TOI-MSGID: 01f0c4e0-1a44-4a3f-895e-85c1417963f7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>> I'll compile a kernel with CONFIG_NO_HZ to see what happens but how do I >>>> disable cpuidle during boot? I've checked the kernel-parameters.txt but >>>> there's no cpuidle related boot parameter there. >>> >>> Booting with intel_idle.max_cstate=0 should do the trick. >> >> intel_idle.max_cstate=0 causes a fallback to the acpi_idle driver. So it >> does not disable the C-states directly. > > What about not building the acpi_idle driver, then? Or just use the processor.max_cstate parameter then. -- Regards, Richard Schütz