From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=hsDs=PQ=lists.ozlabs.org=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 1FCB9C433F5
	for <linuxppc-dev@archiver.kernel.org>; Thu, 28 Oct 2021 14:01:21 +0000 (UTC)
Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117])
	(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 1F440610CA
	for <linuxppc-dev@archiver.kernel.org>; Thu, 28 Oct 2021 14:01:20 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1F440610CA
Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=physik.fu-berlin.de
Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.ozlabs.org
Received: from boromir.ozlabs.org (localhost [IPv6:::1])
	by lists.ozlabs.org (Postfix) with ESMTP id 4Hg6fk46y0z2ynY
	for <linuxppc-dev@archiver.kernel.org>; Fri, 29 Oct 2021 01:01:18 +1100 (AEDT)
Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized)
 smtp.mailfrom=zedat.fu-berlin.de (client-ip=130.133.4.66;
 helo=outpost1.zedat.fu-berlin.de; envelope-from=glaubitz@zedat.fu-berlin.de;
 receiver=<UNKNOWN>)
Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de
 [130.133.4.66])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by lists.ozlabs.org (Postfix) with ESMTPS id 4Hg6fG6cbHz2yP9
 for <linuxppc-dev@lists.ozlabs.org>; Fri, 29 Oct 2021 01:00:54 +1100 (AEDT)
Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69])
 by outpost.zedat.fu-berlin.de (Exim 4.94) with esmtps (TLS1.2)
 tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
 (envelope-from <glaubitz@zedat.fu-berlin.de>)
 id 1mg5xc-002jF8-4p; Thu, 28 Oct 2021 16:00:52 +0200
Received: from p57bd9736.dip0.t-ipconnect.de ([87.189.151.54]
 helo=[192.168.178.81]) by inpost2.zedat.fu-berlin.de (Exim 4.94)
 with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
 (envelope-from <glaubitz@physik.fu-berlin.de>)
 id 1mg5xb-000zwV-UZ; Thu, 28 Oct 2021 16:00:52 +0200
Message-ID: <8d54a913-85a9-a2f4-f696-793322ca5d9e@physik.fu-berlin.de>
Date: Thu, 28 Oct 2021 16:00:51 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.2.0
Subject: Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8
Content-Language: en-US
From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: mpe@ellerman.id.au
References: <87pmrtbbdt.fsf@mpe.ellerman.id.au>
 <05b88724-90b6-a38a-bb3b-7392f85c1934@physik.fu-berlin.de>
 <159047aa-6cbd-420f-0589-9dc6a43e2b23@physik.fu-berlin.de>
In-Reply-To: <159047aa-6cbd-420f-0589-9dc6a43e2b23@physik.fu-berlin.de>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
X-Original-Sender: glaubitz@physik.fu-berlin.de
X-Originating-IP: 87.189.151.54
X-BeenThere: linuxppc-dev@lists.ozlabs.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org>
List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>,
 <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>
List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/>
List-Post: <mailto:linuxppc-dev@lists.ozlabs.org>
List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>
List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>,
 <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>
Cc: oss-security@lists.openwall.com,
 "debian-powerpc@lists.debian.org" <debian-powerpc@lists.debian.org>,
 linuxppc-dev@lists.ozlabs.org
Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org
Sender: "Linuxppc-dev"
 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

Hello!

On 10/28/21 15:52, John Paul Adrian Glaubitz wrote:
> I am not sure what triggered my previous crash but I don't think it's related to this
> particular bug. I will keep monitoring the server in any case and open a new bug report
> in case I'm running into similar issues.

This is very unfortunate, but just after I sent this mail, the machine crashed again.

Sorry for the premature success report. I will have to check now what happened
and get in touch with Michael.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913