Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751951AbWCAXD3 (ORCPT ); Wed, 1 Mar 2006 18:03:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751955AbWCAXD2 (ORCPT ); Wed, 1 Mar 2006 18:03:28 -0500 Received: from mx1.redhat.com ([66.187.233.31]:10697 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1751951AbWCAXD1 (ORCPT ); Wed, 1 Mar 2006 18:03:27 -0500 Date: Wed, 1 Mar 2006 18:03:17 -0500 From: Dave Jones To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: ak@suse.de Subject: Re: 2.6.16rc5 'found' an extra CPU. Message-ID: <20060301230317.GF1440@redhat.com> Mail-Followup-To: Dave Jones , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, ak@suse.de References: <20060301224647.GD1440@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060301224647.GD1440@redhat.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1556 Lines: 39 On Wed, Mar 01, 2006 at 05:46:47PM -0500, Dave Jones wrote: > This amused me. > > (17:43:34:davej@nemesis:~)$ ll /proc/acpi/processor/ > total 0 > dr-xr-xr-x 2 root root 0 Mar 1 17:43 CPU1/ > dr-xr-xr-x 2 root root 0 Mar 1 17:43 CPU2/ > dr-xr-xr-x 2 root root 0 Mar 1 17:43 CPU3/ > (17:43:36:davej@nemesis:~)$ Digging further. I notice more oddities (or maybe I've just misunderstood this -- corrections welcomed) (17:59:02:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/core_id 0 (17:59:23:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/core_id 0 (17:59:38:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/core_siblings 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001 (17:59:47:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/core_siblings 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000002 Neither of these CPUs are HT / dual-core, so shouldn't these be the same ? (18:00:04:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/thread_siblings 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001 (18:00:09:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/thread_siblings 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000002 Ditto ? Dave - 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/