Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932853Ab0LTQrS (ORCPT ); Mon, 20 Dec 2010 11:47:18 -0500 Received: from mail-bw0-f45.google.com ([209.85.214.45]:61693 "EHLO mail-bw0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932512Ab0LTQrR (ORCPT ); Mon, 20 Dec 2010 11:47:17 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=S8gd5ouq4C4ZnxHpUG7vcoFzKTHe/ML93sTSFuPQDQ8+A7y+baX8A1dv46YunF7eDn N4F+oALmZwj5cx5xGWhJdM4VUjjSI8NFvJAJoWdkXzh1CDlUDBMVyUsogsmnf4Ra7f1q mG053sO/G9a2yY38tueMjuLOHglbJitCImARU= Message-ID: <4D0F8890.2070307@kernel.org> Date: Mon, 20 Dec 2010 17:47:12 +0100 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.13) Gecko/20101207 Lightning/1.0b2 Thunderbird/3.1.7 MIME-Version: 1.0 To: Peter Zijlstra CC: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Florian Mickler , Ozan Caglayan , 2010-04-22@ogre.sisk.pl Subject: Re: [Bug #20232] kworker consumes ~100% CPU on HP Elitebook 8540w running 2.6.36_rc6-git4 References: <1292841313.2708.137.camel@laptop> In-Reply-To: <1292841313.2708.137.camel@laptop> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1290 Lines: 33 Hello, On 12/20/2010 11:35 AM, Peter Zijlstra wrote: > On Sun, 2010-12-19 at 13:50 +0100, Rafael J. Wysocki wrote: >> This message has been generated automatically as a part of a report >> of regressions introduced between 2.6.35 and 2.6.36. >> >> The following bug entry is on the current list of known regressions >> introduced between 2.6.35 and 2.6.36. Please verify if it still should >> be listed and let the tracking team know (either way). >> >> >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=20232 >> Subject : kworker consumes ~100% CPU on HP Elitebook 8540w running 2.6.36_rc6-git4 >> Submitter : Ozan Caglayan >> Date : 2010-10-13 06:13 (68 days old) > > I'd be thinking that kworker going wonky is something for Tejun to have > a look at.. Anyway, is it still relevant for current kernels? It looks like the work is scheduled in loop, so the kworker acting out seems to be the symptom of the problem not the cause. Looks like Rafael already has a proper fix on mind, so... Thanks. -- tejun -- 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/