Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754817AbYHGFsv (ORCPT ); Thu, 7 Aug 2008 01:48:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754167AbYHGFsX (ORCPT ); Thu, 7 Aug 2008 01:48:23 -0400 Received: from rv-out-0506.google.com ([209.85.198.238]:52649 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753839AbYHGFsW (ORCPT ); Thu, 7 Aug 2008 01:48:22 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=b6BWZbuym7LwKFZbRWb2MM7YkpsM2HfNRl/hw9scjsDET06jjgIKH1T3Jk/mf64uPp wvO0E6D6x+ZR0T4qu/jM2Tjiz8J4ohUaayks8DkqvKZxlYXdJMeAdCyJ8q056ebbg6QP Knw/ab4x7Z1ttUf1GTA4WEEw9IXFhKt29R/YM= Message-ID: Date: Thu, 7 Aug 2008 13:48:21 +0800 From: "Jeff Chua" To: "Li Zefan" Subject: Re: [PATCH] Resurect proper handling of maxcpus= kernel option Cc: Max.Krasnyansky@qualcomm.com, mingo@elte.hu, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, "Max Krasnyansky" In-Reply-To: <489A7359.8090607@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1218052854-5020-1-git-send-email-Krasnyansky@qualcomm.com> <489A7359.8090607@cn.fujitsu.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 703 Lines: 22 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. Thanks, Jeff. -- 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/