Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 16 Oct 2002 13:30:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 16 Oct 2002 13:29:29 -0400 Received: from darkwing.uoregon.edu ([128.223.142.13]:16368 "EHLO darkwing.uoregon.edu") by vger.kernel.org with ESMTP id ; Wed, 16 Oct 2002 13:29:22 -0400 Date: Wed, 16 Oct 2002 10:37:37 -0700 (PDT) From: Joel Jaeggli X-X-Sender: joelja@twin.uoregon.edu To: Mark Cuss cc: linux-kernel@vger.kernel.org Subject: Re: Kernel reports 4 CPUS instead of 2... In-Reply-To: <077901c27538$ef71b4a0$2c0e10ac@frinkiac7> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2050 Lines: 67 disable hyper-threading in your bios if you want to see two cpu's... otherwise see: http://developer.intel.com/technology/hyperthread/ practically speaking you may see a performance hit in some application mixes from having it enabled. joelja On Wed, 16 Oct 2002, Mark Cuss wrote: > Hello all > > I'm working with a new Dell Poweredge 4600 Server with Dual CPUs. However, > Linux reports that it sees 4 CPUs... I have opened the thing to see if Dell > gave me 2 extras for free, but no luck: Attached is /proc/cpuinfo. > > I've tried the RedHat 8.0 stock kernel, as well as a freshly compiled 2.4.19 > but both exhibit the same behavior. > > The specifics on the machine: > > Dual Xeon 2.2 GHz CPUs (512 k L2 cache) > 2 Gigs DDR RAM > The chipset is a ServerWorks CMIC-HE (see attached lspci for complete > listing). > > Has anyone else seen this behavior? The only other SMP machine I have is an > older Dell server with Dual 1 GHz coppermines, and it reports 2 CPUs... > > Any information or advice is greatly appreciated... > > Thanks in Advance, > > Mark > > > Mark Cuss > Real Time Systems Analyst > CDL Systems Ltd. > Suite 230 > 3553 - 31 Street NW > Calgary, Alberta > T2L 2K7 > > Phone (403) 289-1733 extension 226 > Email: mcuss@cdlsystems.com > URL: www.cdlsystems.com > -- -------------------------------------------------------------------------- Joel Jaeggli Academic User Services joelja@darkwing.uoregon.edu -- PGP Key Fingerprint: 1DE9 8FCA 51FB 4195 B42A 9C32 A30D 121E -- In Dr. Johnson's famous dictionary patriotism is defined as the last resort of the scoundrel. With all due respect to an enlightened but inferior lexicographer I beg to submit that it is the first. -- Ambrose Bierce, "The Devil's Dictionary" - 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/