Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758482AbXETNqS (ORCPT ); Sun, 20 May 2007 09:46:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755994AbXETNqJ (ORCPT ); Sun, 20 May 2007 09:46:09 -0400 Received: from www.osadl.org ([213.239.205.134]:57592 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755619AbXETNqI (ORCPT ); Sun, 20 May 2007 09:46:08 -0400 Subject: Re: [BUG] local_softirq_pending storm From: Thomas Gleixner To: Heiko Carstens Cc: Anant Nitya , linux-kernel@vger.kernel.org, Ingo Molnar In-Reply-To: <20070520101800.GC9892@osiris.ibm.com> References: <200705091942.22920.kernel@prachanda.hub> <200705171211.23350.kernel@prachanda.hub> <1179493277.12981.69.camel@chaos> <200705191525.28400.kernel@prachanda.hub> <1179601868.12981.127.camel@chaos> <20070520101800.GC9892@osiris.ibm.com> Content-Type: text/plain Date: Sun, 20 May 2007 15:52:21 +0200 Message-Id: <1179669141.21827.22.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-2.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1083 Lines: 31 On Sun, 2007-05-20 at 12:18 +0200, Heiko Carstens wrote: > > I work out a more complex debug patch and pester you to test once I'm > > done. > > I've also tons of 'NOHZ: local_softirq_pending 08' that disappear with > nohz=off. But I'm still running 2.6.21. Are there any patches that should > fix this? > Machine is a Lenovo T60p: > > i686 Intel(R) Core(TM)2 CPU T7600 @ 2.33GHz GenuineIntel GNU/Linux Hmm, that's a different problem than the 0x22 which shows up on hyperthreading enabled P4 systems. Are you using plip ? > Besides that I get a lot of clock skews on 'make headers_check', but > these are unrelated to nohz: > > CHECK include/asm/dasd.h > make[2]: warning: Clock skew detected. Your build may be incomplete. > make[2]: Warning: File `/dev/null' has modification time 5.1e+03 s in the future Strange. tglx - 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/