Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752518AbbKIREq (ORCPT ); Mon, 9 Nov 2015 12:04:46 -0500 Received: from mail-yk0-f181.google.com ([209.85.160.181]:34021 "EHLO mail-yk0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751672AbbKIREn (ORCPT ); Mon, 9 Nov 2015 12:04:43 -0500 MIME-Version: 1.0 In-Reply-To: <564062CE.90106@oracle.com> References: <563C3980.8060405@oracle.com> <20151106161459.GB4538@char.us.oracle.com> <56403368.60603@oracle.com> <564062CE.90106@oracle.com> Date: Mon, 9 Nov 2015 09:04:42 -0800 X-Google-Sender-Auth: Hf2CB4dMmWwMr1fn3ynDWBFtoVA Message-ID: Subject: Re: Question with maxcpus= parameter. From: Yinghai Lu To: Zhenzhong Duan Cc: Konrad Rzeszutek Wilk , Rusty Russell , Ashok Raj , LKML , Feng Jin Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 715 Lines: 21 On Mon, Nov 9, 2015 at 1:09 AM, Zhenzhong Duan wrote: > I know that, what confused me is uek2(2.6.39-400.249.4.el6uek.x86_64) works > with maxcpus=, > but uek3(3.8.13-44.1.1.el6uek.x86_64) not when I don't comment out the > script. > I have ever suspected uek2 send CPU ADD event for only 4 cpus. > dyndbg="file kobject_uevent.c +p" is used when debug, vimdiff with both > dmesg: Should be a regression. Can you bisect it? Thanks Yinghai -- 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/