From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754881AbYFCF33 (ORCPT ); Tue, 3 Jun 2008 01:29:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751824AbYFCF3U (ORCPT ); Tue, 3 Jun 2008 01:29:20 -0400 Received: from mail00a.mail.t-online.hu ([84.2.40.5]:51287 "EHLO mail00a.mail.t-online.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751739AbYFCF3U (ORCPT ); Tue, 3 Jun 2008 01:29:20 -0400 X-Greylist: delayed 664 seconds by postgrey-1.27 at vger.kernel.org; Tue, 03 Jun 2008 01:29:20 EDT Message-ID: <4844D414.7010402@freemail.hu> Date: Tue, 03 Jun 2008 07:18:12 +0200 From: =?ISO-8859-2?Q?N=E9meth_M=E1rton?= User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.2) Gecko/20070221 SeaMonkey/1.1.1 MIME-Version: 1.0 To: Ingo Molnar , Thomas Gleixner CC: LKML Subject: [regression][bisected] ~90,000 wakeups as of 2.6.26-rc3 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 8bit X-DCC-mail.t-online.hu-Metrics: mail00a.mail.t-online.hu 32710; Body=3 Fuz1=3 Fuz2=3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, there is a problem in 2.6.26-rc3 which was not there in case of 2.6.25: the CPU wakes up ~90,000 times per sec instead of ~60 per sec. I also "git bisected" the problem, the result is: 6e908947b4995bc0e551a8257c586d5c3e428201 is first bad commit commit 6e908947b4995bc0e551a8257c586d5c3e428201 Author: Ingo Molnar Date: Fri Mar 21 14:32:36 2008 +0100 x86: fix ioapic bug again un-revert: commit 4960c9df1407c2723459c60ff13e6efe0c209c62 Author: Thomas Gleixner Date: Tue Jan 22 10:23:01 2008 +0100 Revert "x86: fix NMI watchdog & 'stopped time' problem" This reverts commit d4d25deca49ec2527a634557bf5a6cf449f85deb. needs a proper fix though ... Signed-off-by: Ingo Molnar :040000 040000 02918f7e330d004e1dd4c6fbb340ba4e353916df 7f9969e324e5982ebf232bb9e5f5c27f208f977b M arch For more details please see: http://bugzilla.kernel.org/show_bug.cgi?id=9489 Regards, Márton Németh