Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756583AbYHGRXU (ORCPT ); Thu, 7 Aug 2008 13:23:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752569AbYHGRXE (ORCPT ); Thu, 7 Aug 2008 13:23:04 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:63909 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753073AbYHGRXC (ORCPT ); Thu, 7 Aug 2008 13:23:02 -0400 X-IronPort-AV: E=McAfee;i="5200,2160,5356"; a="5231761" Message-ID: <489B2F73.1010702@qualcomm.com> Date: Thu, 07 Aug 2008 10:22:59 -0700 From: Max Krasnyansky User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Jeff Chua CC: Li Zefan , mingo@elte.hu, akpm@linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Resurect proper handling of maxcpus= kernel option References: <1218052854-5020-1-git-send-email-Krasnyansky@qualcomm.com> <489A7359.8090607@cn.fujitsu.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 823 Lines: 27 Jeff Chua wrote: > On Thu, Aug 7, 2008 at 12:00 PM, Li Zefan wrote: > >> I booted my 2-core x86_32 box with maxcpus=1, and saw cpu1 was offline, > > Test on Lenovo X60s (CoreDuo) 2 CPUs with maxcpus=1, and Dell R900 > (Xeon QuadCore x4) 16 CPUs with maxcpus=8. > > All working. I can switch online and offline up to 2CPUs on X60s, and > 16CPUs on R900. > >> and then I got softlockup BUG immediately when I onlined cpu1: > > I'm using latest linux kernel. Excellent. Andrew, Ingo, can one of you guys please push this patch to mainline. Thanx Max -- 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/