Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752833AbXE2XDd (ORCPT ); Tue, 29 May 2007 19:03:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750979AbXE2XD0 (ORCPT ); Tue, 29 May 2007 19:03:26 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:58710 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750824AbXE2XDZ (ORCPT ); Tue, 29 May 2007 19:03:25 -0400 Date: Tue, 29 May 2007 16:03:38 -0700 (PDT) Message-Id: <20070529.160338.51845499.davem@davemloft.net> To: iank@bredband.net Cc: michal.k.k.piotrowski@gmail.com, Linux-kernel@vger.kernel.org Subject: Re: [BUG] Something goes wrong with timer statistics. From: David Miller In-Reply-To: <1180479122.19814.8.camel@pi.pomac.com> References: <6bffcb0e0705291541q7e6d6faen5cd6345074c4c92a@mail.gmail.com> <20070529.154406.104042418.davem@davemloft.net> <1180479122.19814.8.camel@pi.pomac.com> X-Mailer: Mew version 5.1.52 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1562 Lines: 39 From: Ian Kumlien Date: Wed, 30 May 2007 00:51:52 +0200 > On tis, 2007-05-29 at 15:44 -0700, David Miller wrote: > > From: "Michal Piotrowski" > > Date: Wed, 30 May 2007 00:41:46 +0200 > > > > > On 30/05/07, David Miller wrote: > > > > From: Ian Kumlien > > > > Date: Tue, 29 May 2007 23:38:48 +0200 > > > > > > > > > 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 > > > > > > > > > > If i don't run powertop, it is rock solid... Compiling for hours, > > > > > running memtest for hours etc etc... > > > > > > > > I see this same exact problem on sparc64. > > > > > > Have you tried this patch? > > > http://lkml.org/lkml/2007/5/29/392 > > > > Of course, I worked with Thomas on the fix :-) > > I dunno if this applies to me, i run a 32 bit userspace... That patch fixes a problem on 64-bit kernels, regardless of userspace, when NOHZ is enabled. - 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/