Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756126Ab3ENBVP (ORCPT ); Mon, 13 May 2013 21:21:15 -0400 Received: from mail-wg0-f51.google.com ([74.125.82.51]:55247 "EHLO mail-wg0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755939Ab3ENBVL (ORCPT ); Mon, 13 May 2013 21:21:11 -0400 Date: Tue, 14 May 2013 03:21:07 +0200 From: Frederic Weisbecker To: Dave Jones , paulmck@linux.vnet.ibm.com, Linux Kernel , Ingo Molnar Subject: Re: rcu_preempt running flat out on idle desktop. Message-ID: <20130514012105.GB12749@somewhere> References: <20130508203042.GA18895@redhat.com> <20130509211026.GA22723@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130509211026.GA22723@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 923 Lines: 25 On Thu, May 09, 2013 at 05:10:26PM -0400, Dave Jones wrote: > On Thu, May 09, 2013 at 11:02:08PM +0200, Frederic Weisbecker wrote: > > > > RCU options for this build are.. > > > > > I can't reproduce that issue even with the above setting. Could you > > please send me your whole config? > > http://paste.fedoraproject.org/11363/36813375/raw/ Sorry it took me some time to get that config booting, I ran into other unrelated crashes. So I'm observing the exact opposite than you: the processes appear to have no load nor to consume cputime. Even if I use some dumb user loop. Top don't even show it. I'm digging further and will tell you when I get more info. Thanks. -- 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/