From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759887Ab3BYPcf (ORCPT ); Mon, 25 Feb 2013 10:32:35 -0500 Received: from mail.tpi.com ([70.99.223.143]:4622 "EHLO mail.tpi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757034Ab3BYPcd (ORCPT ); Mon, 25 Feb 2013 10:32:33 -0500 Message-ID: <512B8407.2090807@canonical.com> Date: Mon, 25 Feb 2013 08:32:23 -0700 From: Tim Gardner User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: tglx@linutronix.de, mingo@redhat.com, "H. Peter Anvin" , x86@kernel.org, a.p.zijlstra@chello.nl, jarkko.sakkinen@intel.com Subject: Re: sched: CPU #1's llc-sibling CPU #0 is not on the same node! References: <512B7D10.4060304@tpi.com> In-Reply-To: <512B7D10.4060304@tpi.com> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/25/2013 08:02 AM, Tim Gardner wrote: > Is this an expected warning ? I'll boot a vanilla kernel just to be sure. > > rebased against ab7826595e9ec51a51f622c5fc91e2f59440481a in Linus' repo: > Same with a vanilla kernel, so it doesn't appear that any Ubuntu cruft is having an impact: [ 0.170435] ------------[ cut here ]------------ [ 0.170450] WARNING: at arch/x86/kernel/smpboot.c:324 topology_sane.isra.2+0x71/0x84() [ 0.170452] Hardware name: S2600CP [ 0.170454] sched: CPU #1's llc-sibling CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency. [ 0.156000] smpboot: Booting Node 1, Processors #1 [ 0.170455] Modules linked in: [ 0.170460] Pid: 0, comm: swapper/1 Not tainted 3.8.0+ #1 [ 0.170461] Call Trace: [ 0.170466] [] warn_slowpath_common+0x7f/0xc0 [ 0.170473] [] warn_slowpath_fmt+0x46/0x50 [ 0.170477] [] topology_sane.isra.2+0x71/0x84 [ 0.170482] [] set_cpu_sibling_map+0x23f/0x436 [ 0.170487] [] start_secondary+0x137/0x201 [ 0.170502] ---[ end trace 09222f596307ca1d ]--- rtg -- Tim Gardner tim.gardner@canonical.com