Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760249Ab2EJRyX (ORCPT ); Thu, 10 May 2012 13:54:23 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:52968 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751300Ab2EJRyU convert rfc822-to-8bit (ORCPT ); Thu, 10 May 2012 13:54:20 -0400 MIME-Version: 1.0 In-Reply-To: <1336671883.27020.128.camel@laptop> References: <1336671883.27020.128.camel@laptop> Date: Thu, 10 May 2012 10:54:19 -0700 X-Google-Sender-Auth: k-R2ZvGnUyyTB-TJCX4K46gb6gg Message-ID: Subject: Re: [tip:sched/core] sched/numa: Rewrite the CONFIG_NUMA sched domain support From: Yinghai Lu To: Peter Zijlstra Cc: mingo@kernel.org, torvalds@linux-foundation.org, cmetcalf@tilera.com, tony.luck@intel.com, sivanich@sgi.com, akpm@linux-foundation.org, ralf@linux-mips.org, greg.pearson@hp.com, ink@jurassic.park.msu.ru, tglx@linutronix.de, rth@twiddle.net, kamezawa.hiroyu@jp.fujitsu.com, paulus@samba.org, linux-kernel@vger.kernel.org, hpa@zytor.com, anton@samba.org, lethal@linux-sh.org, davem@davemloft.net, benh@kernel.crashing.org, dhowells@redhat.com, mattst88@gmail.com, fenghua.yu@intel.com, linux-tip-commits@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1451 Lines: 41 On Thu, May 10, 2012 at 10:44 AM, Peter Zijlstra wrote: > On Thu, 2012-05-10 at 10:30 -0700, Yinghai Lu wrote: >> not sure if this one or other is related.... >> >> got this from 8 socket Nehalem-ex box. >> >> [ ? 25.549259] mtrr_aps_init() done >> [ ? 25.554298] ------------[ cut here ]------------ >> [ ? 25.554549] WARNING: at kernel/sched/core.c:6086 build_sched_domains+0x1a9/0x2d0() > > oops,.. could you get me the output of: > > ?cat /sys/devices/system/node/node*/distance > > for that machine? I'll see if I can reproduce using numa=fake. [ 0.000000] ACPI: SLIT: nodes = 8 [ 0.000000] 10 15 20 15 15 20 20 20 [ 0.000000] 15 10 15 20 20 15 20 20 [ 0.000000] 20 15 10 15 20 20 15 20 [ 0.000000] 15 20 15 10 20 20 20 15 [ 0.000000] 15 20 20 20 10 15 15 20 [ 0.000000] 20 15 20 20 15 10 20 15 [ 0.000000] 20 20 15 20 15 20 10 15 [ 0.000000] 20 20 20 15 20 15 15 10 [root@yhlu-pc2 ~]# cat /sys/devices/system/node/node*/distance 10 15 15 20 15 20 20 20 15 10 20 15 20 15 20 20 15 20 10 15 20 20 15 20 20 15 15 10 20 20 20 15 15 20 20 20 10 15 20 15 20 15 20 20 15 10 15 20 20 20 15 20 20 15 10 15 20 20 20 15 15 20 15 10 -- 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/