From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754226AbZHZWuS (ORCPT ); Wed, 26 Aug 2009 18:50:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753303AbZHZWuR (ORCPT ); Wed, 26 Aug 2009 18:50:17 -0400 Received: from 1-1-12-13a.han.sth.bostream.se ([82.182.30.168]:36576 "EHLO palpatine.hardeman.nu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754183AbZHZWuR (ORCPT ); Wed, 26 Aug 2009 18:50:17 -0400 Date: Thu, 27 Aug 2009 00:50:18 +0200 From: David =?iso-8859-1?Q?H=E4rdeman?= To: linux-kernel@vger.kernel.org Subject: Re: ksoftirqd/0 using 100% of CPU0 (Intel Atom N270, 2.6.30 kernel) Message-ID: <20090826225018.GA15586@hardeman.nu> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20090826223415.GA27242@hardeman.nu> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20090826223415.GA27242@hardeman.nu> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 27, 2009 at 12:34:15AM +0200, David Härdeman wrote: > I recently bought a QNAP TS-439 Pro Turbo NAS which uses an Intel Atom > N270 processor. Hardware specs are here: > http://www.qnap.com/pro_detail_hardware.asp?p_id=110 > > Installed Debian Lenny with a backported 2.6.30 kernel. The problem is > that ksoftirq/0 takes up 100% of CPU core 0 as shown by top: Nevermind, problem went away by updating to latest 2.6.30.x kernel using Debian backports :) -- David Härdeman