Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751795AbXE3HKQ (ORCPT ); Wed, 30 May 2007 03:10:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751222AbXE3HKF (ORCPT ); Wed, 30 May 2007 03:10:05 -0400 Received: from mail.gmx.net ([213.165.64.20]:49149 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751188AbXE3HKC (ORCPT ); Wed, 30 May 2007 03:10:02 -0400 X-Authenticated: #5039886 X-Provags-ID: V01U2FsdGVkX1/uYosBx/nuBmuRbGGb54ZC5bOm4yiQSLbtbI4V1k z/Cjd2TBt7tvj7 Date: Wed, 30 May 2007 09:10:00 +0200 From: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink To: Thomas Gleixner , Michal Piotrowski , Ian Kumlien , Linux-kernel@vger.kernel.org, Ingo Molnar , Arjan van de Ven Subject: Re: [BUG] Something goes wrong with timer statistics. Message-ID: <20070530071000.GB2226@atjola.homenet> Mail-Followup-To: =?iso-8859-1?Q?Bj=F6rn?= Steinbrink , Thomas Gleixner , Michal Piotrowski , Ian Kumlien , Linux-kernel@vger.kernel.org, Ingo Molnar , Arjan van de Ven References: <1180474738.22497.25.camel@pi.pomac.com> <6bffcb0e0705291524y2752d646p94b0bf6ca87af68f@mail.gmail.com> <1180478288.20546.39.camel@chaos> <20070530065204.GA2226@atjola.homenet> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070530065204.GA2226@atjola.homenet> User-Agent: Mutt/1.5.13 (2006-08-11) X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1321 Lines: 36 On 2007.05.30 08:52:04 +0200, Bj?rn Steinbrink wrote: > On 2007.05.30 00:38:08 +0200, Thomas Gleixner wrote: > > On Wed, 2007-05-30 at 00:24 +0200, Michal Piotrowski wrote: > > > Hi Ian, > > > > > > (Thomas "The Wizard of Time" added to CC :)) > > > > Added more wizards :) > > > > > On 29/05/07, Ian Kumlien wrote: > > > > Hi, > > > > > > > > As the daystar sets, i try to play some with my new would be > > > > firewall/server, but since this will be running for quite some time i > > > > have been experimenting with powertop to find out what i can do to limit > > > > it's power usage. > > > > > > > > But, if i run powertop for too long or a few times to many... this > > > > happens: > > > > http://pomac.netswarm.net/pics/kernel_panic.jpg > > > > This was reported before. It's incredibly hard to reproduce. > > Hm, tstats_write() only grabs show_mutex, but it calls reset_entries() > which happily messes with the entries table, shouldn't the table_lock > also be held in that case? Hrmpf, nevermind, I missed the active flag... Sorry, Bj?rn - 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/