From owner-freebsd-performance@FreeBSD.ORG Fri Aug 20 07:45:45 2010 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E2C34106564A for ; Fri, 20 Aug 2010 07:45:45 +0000 (UTC) (envelope-from dbmelnikov@gmail.com) Received: from mail-ew0-f54.google.com (mail-ew0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id 7728C8FC14 for ; Fri, 20 Aug 2010 07:45:45 +0000 (UTC) Received: by ewy26 with SMTP id 26so2192320ewy.13 for ; Fri, 20 Aug 2010 00:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=8IDNpwFJg1e8OzcaR+on7UYSFfPTzZqGQOGqGRF6UdM=; b=xfj9476v/5VvG3ECaIgScc6AzrdYeSW0shTdlSsygPm0YvTe3+QFcmpeEey0ZkF1td pWAD0e+T/0cXBdAMM70AAWqf6iQ9fJ66KR5w6JriFwZtpUxdiv442GSUXV0UNfXuS1su F4rjxSSkEmwoneGxXmhwc/6infL2CzBtZJj+Y= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=IrrdxNjDyEnklxdz1bhj8MQs7XT33t8glVDTxLafa7crx9POsxGQvad07IKjI2V8U4 au9TpIzsJz1Ng+PFElbfgEAzeAXgGpIm9YpACvGOza66WraC26EjSGfYCQxMooNg8tIh Yym8bEvxM7pQK0IZpqqO3erwGA2KBiB5MXnJo= MIME-Version: 1.0 Received: by 10.213.15.82 with SMTP id j18mr1119563eba.1.1282290344337; Fri, 20 Aug 2010 00:45:44 -0700 (PDT) Received: by 10.213.110.204 with HTTP; Fri, 20 Aug 2010 00:45:44 -0700 (PDT) In-Reply-To: <201008191213.13413.jpaetzel@freebsd.org> References: <201008191213.13413.jpaetzel@freebsd.org> Date: Fri, 20 Aug 2010 11:45:44 +0400 Message-ID: From: Denis Melnikov To: freebsd-performance@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: Does ULE restrict available RAM? X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Aug 2010 07:45:46 -0000 It was a DIMM failure, just a fatal coincidence. Thank you! Denis 2010/8/19, Josh Paetzel : > On Thursday 19 August 2010 04:03:40 Denis Melnikov wrote: >> Hi! >> 7.0-RELEASE (amd64) >> RAM 33 GB (8*4096+2*512) >> 2 quad-core Xeons >> >> The server ran GENERIC kernel with 4BSD scheduler earlier. When loaded >> with ULE scheduler it has missed 8GB. >> >> dmesg: >> usable memory = 26829983744 (25587 MB) >> avail memory = 25999904768 (24795 MB) >> >> # dmidecode -t 17 | grep Size >> Size: 512 MB >> Size: 4096 MB >> Size: No Module Installed >> Size: 512 MB >> Size: 4096 MB >> Size: No Module Installed >> Size: 4096 MB >> Size: 4096 MB >> Size: No Module Installed >> Size: 4096 MB >> Size: 4096 MB >> Size: No Module Installed >> >> It looks like BIOS-level problem, but... maybe ULE restricts RAM? >> >> Hopefully, >> Denis > > How much RAM does the BIOS report present? > > -- > Thanks, > > Josh Paetzel > FreeBSD -- The power to serve