Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933497AbXHPQzU (ORCPT ); Thu, 16 Aug 2007 12:55:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755796AbXHPQzI (ORCPT ); Thu, 16 Aug 2007 12:55:08 -0400 Received: from zcars04e.nortel.com ([47.129.242.56]:33843 "EHLO zcars04e.nortel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756554AbXHPQzH (ORCPT ); Thu, 16 Aug 2007 12:55:07 -0400 Message-ID: <46C48160.3070401@nortel.com> Date: Thu, 16 Aug 2007 10:54:56 -0600 From: "Chris Friesen" User-Agent: Mozilla Thunderbird 1.0.2-6 (X11/20050513) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Robert Hancock CC: linux-kernel@vger.kernel.org Subject: Re: dual Xeon hyperthread system only showing up as 2 cpus References: <46C38DB2.9040400@shaw.ca> In-Reply-To: <46C38DB2.9040400@shaw.ca> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 16 Aug 2007 16:54:59.0913 (UTC) FILETIME=[2EA28390:01C7E026] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 713 Lines: 20 Robert Hancock wrote: > You snipped the important part of the log. It's not using ACPI in 2.6.14 > for some reason, which you need for HT to be detected. Either you didn't > configure it in or it's failed to enable somehow. Please post the entire > dmesg. Wacky. In 2.6.10 CONFIG_ACPI is disabled, but somehow it has CONFIG_ACPI_BOOT=y and CONFIG_ACPI_BLACKLIST_YEAR=0. In 2.6.14, turning on CONFIG_ACPI allows it to detect 4 cpus. Thanks for the help. Chris - 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/