From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757690AbaGWJZm (ORCPT ); Wed, 23 Jul 2014 05:25:42 -0400 Received: from casper.infradead.org ([85.118.1.10]:36162 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757669AbaGWJZi (ORCPT ); Wed, 23 Jul 2014 05:25:38 -0400 Date: Wed, 23 Jul 2014 11:25:36 +0200 From: Peter Zijlstra To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: Linus Torvalds , Ingo Molnar , Linux Kernel Mailing List Subject: Re: Random panic in load_balance() with 3.16-rc Message-ID: <20140723092536.GO12054@laptop.lan> References: <53C77BB8.6030804@daenzer.net> <20140717075820.GE19379@twins.programming.kicks-ass.net> <53C8E90F.1010306@daenzer.net> <53CE00EF.70108@daenzer.net> <53CF31AE.30403@daenzer.net> <20140723064948.GK3935@laptop> <53CF6CC4.6090207@daenzer.net> <20140723082819.GR3935@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140723082819.GR3935@laptop> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 23, 2014 at 10:28:19AM +0200, Peter Zijlstra wrote: > Of course, the other thing that patch did is clear sgp->power (now > sgc->capacity). Hmm, re-reading the thread there isn't a clear confirmation its this patch at all. Could you perhaps bisect this to either verify it is indeed that patch we're talking about: caffcdd8d27b ("sched: Do not zero sg->cpumask and sg->sgp->power in build_sched_groups()") or find which patch is causing this.