From owner-freebsd-hackers@FreeBSD.ORG Thu Mar 12 09:32:47 2015 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4BAAA591; Thu, 12 Mar 2015 09:32:47 +0000 (UTC) Received: from mo6-p00-ob.smtp.rzone.de (mo6-p00-ob.smtp.rzone.de [IPv6:2a01:238:20a:202:5300::11]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.smtp.rzone.de", Issuer "TeleSec ServerPass DE-2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 61253AA4; Thu, 12 Mar 2015 09:32:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1426152764; l=2114; s=domk; d=fuckner.net; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:References: Subject:CC:To:MIME-Version:From:Date; bh=pmquw4YBb3mY2N2wHNWCis6juFgz/BejcUahZOUcQX0=; b=HS18olQrz6cYusvMGErBEqfZp3SJwasCk/HhX2u3Mv0anMfGKLd7RPMF+nfsQpY00Wl 2sHqgSwkUsX+LxCNlg1Urs79RyhE0htGo8ik9csBqwTwoywgM4q4LAQGB6BpJ2EGQVaQf ZHnwWHY0658kv7Sl71eEoyt7+2vPZ26xG3U= X-RZG-AUTH: :IWUHfUGtd9+6EujMWHx57N4dWae4bmTL/JIGbzkGUoozgkO4q1xDEhkgOJDsXNs= X-RZG-CLASS-ID: mo00 Received: from fuckner.delnet ([85.183.0.195]) by smtp.strato.de (RZmta 37.3 AUTH) with ESMTPA id m077c7r2C9Whnmv; Thu, 12 Mar 2015 10:32:43 +0100 (CET) Message-ID: <55015D3B.6030605@fuckner.net> Date: Thu, 12 Mar 2015 10:32:43 +0100 From: Michael Fuckner User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Julian Elischer , Oliver Pinter , Adrian Chadd Subject: Re: Server with 3TB Crashing at boot References: <550046F7.1050205@fuckner.net> <550093DD.5040603@freebsd.org> In-Reply-To: <550093DD.5040603@freebsd.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: "freebsd-hackers@freebsd.org" , freebsd-hardware@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Mar 2015 09:32:47 -0000 On 03/11/2015 08:13 PM, Julian Elischer wrote: > On 3/11/15 8:39 AM, Oliver Pinter wrote: >> On Wed, Mar 11, 2015 at 4:26 PM, Adrian Chadd wrote: >>> Hm, have you tried with just one TB of RAM? I haven't had access to >>> systems with 3TB of RAM - I'm just about to get 1TB in a box. :) >>> >>> Hm, other hackers - what's the current size of the AMD64 direct map? >> 4TB - >> https://github.com/freebsd/freebsd/blob/master/sys/amd64/include/vmparam.h#L157 >> > > yeah but since direct-map is, well, directly mapped, you might have 3TB > of ram but it might be spread over a larger range. > there may be holes in it.. it would be worth knowing the apparent > layout of the ram. is it this you are looking for (from OpenSUSE 13.2)? http://dedi3.fuckner.net/~molli123/temp/dmesg.smp.disabled.txt http://dedi3.fuckner.net/~molli123/temp/dmesg-s4l_opensuse13.2.txt [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x00000000000997ff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000099800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000784affff] usable [ 0.000000] BIOS-e820: [mem 0x00000000784b0000-0x0000000078c63fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000078c64000-0x0000000078ca6fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x0000000078ca7000-0x000000007a268fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000007a269000-0x000000007bdc3fff] reserved [ 0.000000] BIOS-e820: [mem 0x000000007bdc4000-0x000000007bdc4fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007bdc5000-0x000000007be4afff] reserved [ 0.000000] BIOS-e820: [mem 0x000000007be4b000-0x000000007bffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000080000000-0x000000008fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000003007fffffff] usable