Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763026AbYHFDw3 (ORCPT ); Tue, 5 Aug 2008 23:52:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753197AbYHFDua (ORCPT ); Tue, 5 Aug 2008 23:50:30 -0400 Received: from rv-out-0506.google.com ([209.85.198.226]:51027 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753188AbYHFDua (ORCPT ); Tue, 5 Aug 2008 23:50:30 -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=cNBeTBYmxdOC2ap2EAGY8q9NMwgLj85xnExI2A4C1FA9pWlKV1xhSK43lOZ72SsmQo pwSr4PDSCke+pmrN3rnAZFme+WwKEKIOlQUktgUs+cOTf7EE05SCN6+wd2J0BH0GzKKo QoRGgx3qP2t0S4RYNf5o/aJLFEvqxjShsA1EM= Message-ID: Date: Wed, 6 Aug 2008 11:50:29 +0800 From: "Jeff Chua" To: "Max Krasnyansky" Subject: Re: 2.6.27rc1 cannot boot more than 8CPUs Cc: lkml In-Reply-To: <48991B07.3050500@qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <48991B07.3050500@qualcomm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1272 Lines: 37 On Wed, Aug 6, 2008 at 11:31 AM, Max Krasnyansky wrote: > You could try booting CONFIG_NR_CPUS=16 with maxcpus=8 (kernel command line option). > If it boots you can then try bringing the rest of the cpus online manually Ok, booted with CONFIG_NR_CPUS=16 with maxcpus=8, but can't find the rest of the CPUs. I can only find cpu0 to cpu7 ... drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu0 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu1 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu2 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu3 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu4 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu5 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu6 drwxr-xr-x 4 root root 0 Aug 6 19:38 cpu7 -r--r--r-- 1 root root 4096 Aug 6 19:41 online -r--r--r-- 1 root root 4096 Aug 6 19:39 possible -r--r--r-- 1 root root 4096 Aug 6 19:38 present -rw-r--r-- 1 root root 4096 Aug 6 19:38 sched_mc_power_savings # cat online 0-7 # cat possible 0-23 # cat present 0-7 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/