From owner-freebsd-current@FreeBSD.ORG Mon Mar 18 15:29:14 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id E618561B; Mon, 18 Mar 2013 15:29:14 +0000 (UTC) (envelope-from m.e.sanliturk@gmail.com) Received: from mail-vb0-x231.google.com (mail-vb0-x231.google.com [IPv6:2607:f8b0:400c:c02::231]) by mx1.freebsd.org (Postfix) with ESMTP id 911D6281; Mon, 18 Mar 2013 15:29:14 +0000 (UTC) Received: by mail-vb0-f49.google.com with SMTP id s24so3464459vbi.36 for ; Mon, 18 Mar 2013 08:29:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=VWBCDD2GmBH77Q0PmtMxwc+L1cJwvFokjZD7qNVLMV0=; b=J/MtOVqcY5kY7gJjBmWU3y8a8tk6mGnhxLoahV5V3tSnA2rInzZaYF63yDkAn273nT M5ff8qdZsI8vtpop4/4IV1n7zHpSzwdIRqmhM72ehbOgYn+euo72+YZTecRNJQ11QDCn Xb3CaEpc39l8ZzfxCDmT4nDrnd4ta8HcjuLBpIrPYRm2Ofgh15kHIkDPXlpqWL3rwmkj cHiPu8yvO2Zjmhrr2oKEFvUGDnXUhZSJzzI5eI5M/lyuMF/2IZvOzpBeOnryMdY6l3bD wi6V+8zRG8WqeqFxujDC4uHcMVriP3tfTI4RmtneKXF9PGu890pN+rRKxa/pgdLXFikt 0i5w== MIME-Version: 1.0 X-Received: by 10.58.23.169 with SMTP id n9mr20400147vef.58.1363620554030; Mon, 18 Mar 2013 08:29:14 -0700 (PDT) Received: by 10.58.132.203 with HTTP; Mon, 18 Mar 2013 08:29:13 -0700 (PDT) In-Reply-To: References: <35878.1363607691@critter.freebsd.dk> <514715F9.2080506@freebsd.org> Date: Mon, 18 Mar 2013 08:29:13 -0700 Message-ID: Subject: Re: FreeBSD is very slow when Memory chip sizes are imbalanced in slots From: Mehmet Erol Sanliturk To: Steven Hartland Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: freebsd-current@freebsd.org, Nathan Whitehorn X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Mar 2013 15:29:15 -0000 On Mon, Mar 18, 2013 at 8:21 AM, Steven Hartland wrote: > ** > >> ----- Original Message ----- From: Mehmet Erol Sanliturk > >>> > >>> Surely you can eliminate all of those and confirm / deny the original > >>>> diagnosis by simply installing balanced memory in the machine and > >>>> checking > >>>> to see if the problem goes away? > >>>> > >>> > >>> Please see links in my previous mails . > >>> All of these are worked in detail . > >>> > >>> This is Intel DG965WH main board and I do not know much about NUMA , > but > >>> with respect to Wikipedia Non-Uniform_Memory_Access page , it seems > that > >>> there is no NUMA structure in this main board . > >>> > >> > >> But have you installed balanced memory and confirmed the problem goes > away? > > > > Yes . > > > > > > > http://lists.freebsd.org/pipermail/freebsd-current/2012-February/031836.html > > > http://lists.freebsd.org/pipermail/freebsd-current/2012-February/031912.html > > > http://lists.freebsd.org/pipermail/freebsd-current/2012-February/031928.html > > > http://lists.freebsd.org/pipermail/freebsd-current/2012-February/032012.html > > > > You state there that "The main boards are the same" which indicates to me > the machines aren't the same machine which could result in some other > subtle > difference causing the problem. > > To confirm you'll need to use the "exact same machine" for tests with the > only > difference being the ram modules installed. > Regards > Steve > > The main boards are the same model , two of them in two different cases , not one main board . Thank you very much . Mehmet Erol Sanliturk