Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759317AbaGRFgY (ORCPT ); Fri, 18 Jul 2014 01:36:24 -0400 Received: from wolff.to ([98.103.208.27]:53860 "HELO wolff.to" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751807AbaGRFgX (ORCPT ); Fri, 18 Jul 2014 01:36:23 -0400 Date: Fri, 18 Jul 2014 00:34:49 -0500 From: Bruno Wolff III To: Peter Zijlstra Cc: Dietmar Eggemann , Josh Boyer , "mingo@redhat.com" , "linux-kernel@vger.kernel.org" Subject: Re: Scheduler regression from caffcdd8d27ba78730d5540396ce72ad022aff2c Message-ID: <20140718053449.GA2039@wolff.to> References: <20140716145546.GA6922@wolff.to> <20140716151748.GC2460@hansolo.jdub.homelinux.org> <53C6CFCC.2050300@arm.com> <20140716195414.GA16401@wolff.to> <53C7084C.7090104@arm.com> <20140717030947.GA17889@wolff.to> <53C79013.1020808@arm.com> <20140717090452.GH19379@twins.programming.kicks-ass.net> <53C7B247.2070309@arm.com> <20140717123502.GL19379@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20140717123502.GL19379@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 17, 2014 at 14:35:02 +0200, Peter Zijlstra wrote: > >In any case, can someone who can trigger this run with the below; its >'clean' for me, but supposedly you'll trigger a FAIL somewhere. I got a couple of fail messages. dmesg output is available in the bug as the following attachment: https://bugzilla.kernel.org/attachment.cgi?id=143361 The part of interest is probably: [ 0.253354] build_sched_groups: got group f255b020 with cpus: [ 0.253436] build_sched_groups: got group f255b120 with cpus: [ 0.253519] build_sched_groups: got group f255b1a0 with cpus: [ 0.253600] build_sched_groups: got group f255b2a0 with cpus: [ 0.253681] build_sched_groups: got group f255b2e0 with cpus: [ 0.253762] build_sched_groups: got group f255b320 with cpus: [ 0.253843] build_sched_groups: got group f255b360 with cpus: [ 0.254004] build_sched_groups: got group f255b0e0 with cpus: [ 0.254087] build_sched_groups: got group f255b160 with cpus: [ 0.254170] build_sched_groups: got group f255b1e0 with cpus: [ 0.254252] build_sched_groups: FAIL [ 0.254331] build_sched_groups: got group f255b1a0 with cpus: 0 [ 0.255004] build_sched_groups: FAIL [ 0.255084] build_sched_groups: got group f255b1e0 with cpus: 1 I also booted with early printk=keepsched_debug as requested by Dietmar. -- 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/