Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938580AbXFHKvH (ORCPT ); Fri, 8 Jun 2007 06:51:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S937387AbXFHKuz (ORCPT ); Fri, 8 Jun 2007 06:50:55 -0400 Received: from www.osadl.org ([213.239.205.134]:37654 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S937143AbXFHKuy (ORCPT ); Fri, 8 Jun 2007 06:50:54 -0400 Subject: Re: [patch 03/54] NOHZ: Rate limit the local softirq pending warning output From: Thomas Gleixner To: Daniel Thaler Cc: Chris Wright , linux-kernel@vger.kernel.org, stable@kernel.org, torvalds@linux-foundation.org, Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Greg Kroah-Hartman In-Reply-To: <466930D2.9010104@dthaler.de> References: <20070608072127.352723000@sous-sol.org> <20070608072147.763475000@sous-sol.org> <466930D2.9010104@dthaler.de> Content-Type: text/plain Date: Fri, 08 Jun 2007 12:50:44 +0200 Message-Id: <1181299844.4404.303.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 (2.10.1-4.fc7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1023 Lines: 27 On Fri, 2007-06-08 at 12:34 +0200, Daniel Thaler wrote: > Chris Wright wrote: > > -stable review patch. If anyone has any objections, please let us know. > > --------------------- > > > > From: Thomas Gleixner > > > > The warning in the NOHZ code, which triggers when a CPU goes idle with > > softirqs pending can fill up the logs quite quickly. Rate limit the output > > until we found the root cause of that problem. > > Isn't the root cause found and fixed with "[patch 09/54] Prevent going > idle with softirq pending"? Yes, still we want the printk there to find places, which go into idle with softirqs pending. There is at least one problem in the SLIP code, which triggers this. OTOH we do not want those messages to flood the syslog. 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/