From owner-freebsd-questions@FreeBSD.ORG Wed Apr 18 11:26:55 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9243016A403 for ; Wed, 18 Apr 2007 11:26:55 +0000 (UTC) (envelope-from modulok@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.244]) by mx1.freebsd.org (Postfix) with ESMTP id 5676A13C44C for ; Wed, 18 Apr 2007 11:26:55 +0000 (UTC) (envelope-from modulok@gmail.com) Received: by an-out-0708.google.com with SMTP id c24so147797ana for ; Wed, 18 Apr 2007 04:26:54 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=bIsZrxTpXqrRn0WgBavOQlTdNGqLDCdtUI0Q22q3biTTQnMSv+dk8b83NlvFKV0UahLcFclZPAAuOlWshBX/fj9F8yq/q7bAiCflH53FdmmIcOAb3QBoGNeaY+a7ICu4dU9UMNU0HWF5pgTZRnHurg2Give5VjXXamGW2pruHkc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=WyoYXsFUojIZ7VWJZG+u6d/o3Me734E8oB5Kw6InFPxcsTlyfGTXnvLW329cI5btB43gQP2Kd1GYeb936k2smNScjIQEmn58OsV+rdS/JpA8HZ/b4hGrzwxd78dhWk0HEek5NYJBMaWO6OTuGnYagYkjD1RpAqZ7RgA2OQ29Sm4= Received: by 10.100.151.14 with SMTP id y14mr221720and.1176894059517; Wed, 18 Apr 2007 04:00:59 -0700 (PDT) Received: by 10.100.198.6 with HTTP; Wed, 18 Apr 2007 04:00:59 -0700 (PDT) Message-ID: <64c038660704180400o4c196b6fx1c528b7830562554@mail.gmail.com> Date: Wed, 18 Apr 2007 04:00:59 -0700 From: Modulok To: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: slightly OT | Non-Matching MP processors... X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Apr 2007 11:26:55 -0000 This isn't really a FreeBSD specific problem, but this list has a number of people who administrate multi-CPU servers, so I thought it a logical place to ask. Does anyone else experienced this: Somewhat infrequently, the CPUs of a multi-socket system get out of synch and the BIOS complains about "Warning: Non-matching MP processors", (even though the CPU's are an identical, matched pair of AMD Athlon 2200+). I've had this happen on a Tyan K7 S2468 mainboards (Phoenix Bios 4.0 Release 6.0), more than a few times. The problem seems to remedy itself without intervention, eventually, (several restarts later). Is this an issue for anyone else? Does it occur more frequently with more processors (4, 8)? What did you do to resolve or reproduce it? -Modulok-