Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S275431AbTHIWRR (ORCPT ); Sat, 9 Aug 2003 18:17:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S275432AbTHIWRR (ORCPT ); Sat, 9 Aug 2003 18:17:17 -0400 Received: from ms-smtp-03.rdc-kc.rr.com ([24.94.166.129]:49110 "EHLO ms-smtp-03.rdc-kc.rr.com") by vger.kernel.org with ESMTP id S275431AbTHIWRM (ORCPT ); Sat, 9 Aug 2003 18:17:12 -0400 Date: Sat, 9 Aug 2003 17:17:06 -0500 From: Greg Norris To: linux-kernel@vger.kernel.org Subject: Re: [2.6.0-test3] Hyperthreading gone Message-ID: <20030809221706.GA2106@glitch.localdomain> Mail-Followup-To: linux-kernel@vger.kernel.org References: <87llu2bvxg.fsf@deneb.enyo.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87llu2bvxg.fsf@deneb.enyo.de> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1517 Lines: 35 Did you select CPU Enumeration Only, or "normal" ACPI? If the former, did you specify the "acpismp=force" parameter at bootup? On Sat, Aug 09, 2003 at 07:08:43PM +0200, Florian Weimer wrote: > ACPI with CPU enumeration is enabled, but the sibling CPUs aren't > activated. > > This is all what I have of the boot message (standard buffer size is > too small, apparently): > > CPU: After all inits, caps: 3febfbff 00000000 00000000 00000080 > Intel machine check architecture supported. > Intel machine check reporting enabled on CPU#3. > CPU#3: Intel P4/Xeon Extended MCE MSRs (12) available > CPU#3: Thermal monitoring enabled > CPU3: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01 > Total of 4 processors activated (11034.62 BogoMIPS). > WARNING: No sibling found for CPU 0. > WARNING: No sibling found for CPU 1. > WARNING: No sibling found for CPU 2. > WARNING: No sibling found for CPU 3. > > Recent 2.4.x kernels (starting with 2.4.20 IIRC) support > Hyperthreading on this machine (Siemens Primergy H450). > - > 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/ > - 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/