From owner-freebsd-xen@FreeBSD.ORG Tue Mar 31 07:07:23 2015 Return-Path: <owner-freebsd-xen@FreeBSD.ORG> Delivered-To: freebsd-xen@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 D2D07A17; Tue, 31 Mar 2015 07:07:23 +0000 (UTC) Received: from SMTP.CITRIX.COM (smtp.citrix.com [66.165.176.89]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "mail.citrix.com", Issuer "Cybertrust Public SureServer SV CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4248F173; Tue, 31 Mar 2015 07:07:22 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.11,499,1422921600"; d="scan'208";a="248072925" Message-ID: <551A4789.6070508@citrix.com> Date: Tue, 31 Mar 2015 09:06:49 +0200 From: =?UTF-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= <roger.pau@citrix.com> User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: <araujo@FreeBSD.org> Subject: Re: Unable to load multiboot kernel. References: <CAOfEmZgT9nyJfEe5Z39qT9OSWkAa9RVY4xs0b4CjqN=3JJUU1A@mail.gmail.com> <55196D2F.8040203@citrix.com> <CAOfEmZh9ypr6qM4RqmxAZvghmOtUR=uoAHkWjMCOzeNmuZJTOg@mail.gmail.com> <551985BB.6050706@citrix.com> <CAOfEmZjOd7_dPxo40mykJ6MAdqf1OBPqmhOt+jQpPfNPL47Q+Q@mail.gmail.com> In-Reply-To: <CAOfEmZjOd7_dPxo40mykJ6MAdqf1OBPqmhOt+jQpPfNPL47Q+Q@mail.gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-DLP: MIA1 Cc: freebsd-xen <freebsd-xen@freebsd.org> X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage <freebsd-xen.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-xen>, <mailto:freebsd-xen-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-xen/> List-Post: <mailto:freebsd-xen@freebsd.org> List-Help: <mailto:freebsd-xen-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-xen>, <mailto:freebsd-xen-request@freebsd.org?subject=subscribe> X-List-Received-Date: Tue, 31 Mar 2015 07:07:23 -0000 Hello, El 31/03/15 a les 5.26, Marcelo Araujo ha escrit: > Hi Roger, > > Yes, seems my BIOS is not correctly reporting the extended memory size. > The value that I got from my box is: > > bios_extmem: 0xff00000 memtop_copyin: 0x10000000 memtop: 0x10000000 > > I did check my BIOS if there is any suspicious options that may mess up > with the memory, but I didn't find nothing. I will check if there is any > new BIOS version. > > Do you have any other idea? Can you boot a bare metal kernel with boot_verbose="YES" and copy the memory map reported by FreeBSD when booting? There's also a recent change to biosmem.c which touched extended memory detection, r279222. Could you try to revert that commit and see if it makes any difference? Roger.