From owner-freebsd-stable@FreeBSD.ORG Sat Apr 21 19:08:15 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 36A8816A404 for ; Sat, 21 Apr 2007 19:08:15 +0000 (UTC) (envelope-from infofarmer@gmail.com) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.224]) by mx1.freebsd.org (Postfix) with ESMTP id EA0C413C48C for ; Sat, 21 Apr 2007 19:08:14 +0000 (UTC) (envelope-from infofarmer@gmail.com) Received: by nz-out-0506.google.com with SMTP id r28so1014555nza for ; Sat, 21 Apr 2007 12:08:14 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=pRmUj9QhNsifrg4iW/HJ8hE5VwjsvXttsierdC2oIDikMrm6MZ8z/YMfZOvsjTAu84qaKDJnWJ7aMAau0D9LHovQ68P6RXCsJTiniq9NcvHg2EL84K6ZzEdBmWLjKqtjRfBhyhm+BJbei+yfubM9/9/VWG/aOXTie6dCGCUelTE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=UyfCyTq1SSbi6WTDK96QWn1lzkvF8ryj0OrWS6/+ATzUGmuQJ4qtDbA0fqD9qZgcn8wgRSMC19ReWVxUKvoxdmX8DM3vqpkd4yqGonQSS2jOaZdRbCj2BFJW4XWW+xFAv022Xq4tNNZFFO/iYhfaWfcoKtVUyD21YxwnH5Op2Cg= Received: by 10.115.75.1 with SMTP id c1mr1797500wal.1177180781842; Sat, 21 Apr 2007 11:39:41 -0700 (PDT) Received: by 10.114.194.5 with HTTP; Sat, 21 Apr 2007 11:39:41 -0700 (PDT) Message-ID: Date: Sat, 21 Apr 2007 22:39:41 +0400 From: "Andrew Pantyukhin" Sender: infofarmer@gmail.com To: "Artem Kuchin" In-Reply-To: <004b01c78421$062195c0$0c00a8c0@Artem> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <004b01c78421$062195c0$0c00a8c0@Artem> X-Google-Sender-Auth: 1ca6ed7e3c9abdeb Cc: freebsd-stable@freebsd.org Subject: Re: PAE does not give any ram increase, why? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Apr 2007 19:08:15 -0000 On 4/21/07, Artem Kuchin wrote: > Hello! > > I've upgraded one of my servers today. > Now it is > Asus P5p800-VM > Pentium D 3.0Ghz > 4GB RAM (4x1 GB) > 3WARE raid5 > > FreebSD 6.2 cvsed today compiled from sources. > > after that i decided to try PAE. It runs just fine but > when i compare available memory with and without > pae i do not see any difference. > > At kernel boot with PAE it says: > > pr 21 18:01:30 osiris kernel: ACPI APIC Table: > Apr 21 18:01:30 osiris kernel: Timecounter "i8254" frequency 1193182 Hz quality 0 > Apr 21 18:01:30 osiris kernel: CPU: Intel(R) Pentium(R) D CPU 3.00GHz (3000.33-MHz 686-class CPU) > Apr 21 18:01:30 osiris kernel: Origin = "GenuineIntel" Id = 0xf64 Stepping = 4 > Apr 21 18:01:30 osiris kernel: > Features=0xbfebfbff Apr 21 18:01:30 osiris kernel: Features2=0xe49d,> > Apr 21 18:01:30 osiris kernel: AMD Features=0x20000000 > Apr 21 18:01:30 osiris kernel: AMD Features2=0x1 > Apr 21 18:01:30 osiris kernel: Cores per package: 2 > Apr 21 18:01:30 osiris kernel: real memory = 4017881088 (3831 MB) > Apr 21 18:01:30 osiris kernel: avail memory = 3933429760 (3751 MB) > > The real and avail memory sizes are the same w/o PAE. > > Then i do > sysctl -a | grep hw | grep mem > > and i always see > hw.physmem: 4012244992 > hw.usermem: 3861307392 > hw.realmem: 4017881088 > hw.pci.host_mem_start: 2147483648 > > the number do not change with or without PAE > > Maybe i look in the wrong place? What number do you expect to see? 8Gb?