From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84FAEC4740C for ; Mon, 9 Sep 2019 19:21:34 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 588A5218AF for ; Mon, 9 Sep 2019 19:21:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 588A5218AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60186 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i7PED-0005cI-Gd for qemu-devel@archiver.kernel.org; Mon, 09 Sep 2019 15:21:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44731) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i7PDZ-0005D0-IN for qemu-devel@nongnu.org; Mon, 09 Sep 2019 15:20:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i7PDY-0005c5-9w for qemu-devel@nongnu.org; Mon, 09 Sep 2019 15:20:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48860) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i7PDY-0005bC-3c for qemu-devel@nongnu.org; Mon, 09 Sep 2019 15:20:52 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 371AE20EB; Mon, 9 Sep 2019 19:20:51 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-196.ams2.redhat.com [10.36.116.196]) by smtp.corp.redhat.com (Postfix) with ESMTP id 32C9D10018F8; Mon, 9 Sep 2019 19:20:46 +0000 (UTC) From: Laszlo Ersek To: Igor Mammedov , qemu-devel@nongnu.org References: <20190905154925.30478-1-imammedo@redhat.com> Message-ID: Date: Mon, 9 Sep 2019 21:20:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.71]); Mon, 09 Sep 2019 19:20:51 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH] q35: lpc: allow to lock down 128K RAM at default SMBASE address X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yingwen.chen@intel.com, devel@edk2.groups.io, phillip.goerl@oracle.com, alex.williamson@redhat.com, jiewen.yao@intel.com, jun.nakajima@intel.com, michael.d.kinney@intel.com, pbonzini@redhat.com, boris.ostrovsky@oracle.com, rfc@edk2.groups.io, joao.m.martins@oracle.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 09/09/19 21:15, Laszlo Ersek wrote: > ... I've done some testing too. Applying the QEMU patch on top of > 89ea03a7dc83, my plan was: > > - do not change OVMF, just see if it continues booting with the QEMU > patch > > - then negotiate bit#1 too, in step (1a) -- this is when I'd expect (3a) > to break. > > Unfortunately, the result is worse than that; even without negotiating > bit#1 (i.e. in the baseline test), the firmware crashes (reboots) in > step (3a). I've checked "info mtree", and all occurences of > "smbase-blackhole" and "smbase-blackhole" are marked [disabled]. I'm not > sure what's wrong with the baseline test (i.e. without negotiating > bit#1). If I drop the patch (build QEMU at 89ea03a7dc83), then things > work fine. Sorry, there's a typo above: I pasted "smbase-blackhole" twice. The second instance was meant to be "smbase-window". I checked all instances of both regions in the info mtree output, I just fumbled the pasting. Thanks Laszlo