Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757285AbYHMOSB (ORCPT ); Wed, 13 Aug 2008 10:18:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753137AbYHMOQs (ORCPT ); Wed, 13 Aug 2008 10:16:48 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:55900 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756764AbYHMOQn (ORCPT ); Wed, 13 Aug 2008 10:16:43 -0400 Date: Wed, 13 Aug 2008 16:16:29 +0200 From: Ingo Molnar To: Jeff Chua Cc: Yinghai Lu , David Miller , Linux Kernel Subject: Re: 2.6.27rc1 cannot boot more than 8CPUs Message-ID: <20080813141629.GD19397@elte.hu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 844 Lines: 24 * Jeff Chua wrote: > On Wed, Aug 6, 2008 at 5:42 PM, Jeff Chua > wrote: >>>> CONFIG_X86_GENERICARCH=y >>>> CONFIG_X86_BIGSMP=y >>>> 8 more cpu need bigsmp mode. > >> Just found it under " Subarchitecture Type (Generic architecture)", >> and then it shows the CONFIG_X86_BIGSMP option. > > It works. Booted with 16CPUs. 32GB RAM. btw., could you please check that v2.6.27-rc3 (or later) kernels boot fine (with about 8 cpus) even if you hae genericarch/bigsmp disabled, and do not silently hang as it happened on your box before? Ingo -- 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/