From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: Nested paging in nested SVM setup
Date: Mon, 01 Sep 2014 19:04:14 +0200
Message-ID: <5404A70E.20207@redhat.com>
References: <53A179C4.9060203@gmail.com> <53A18A6D.2050407@siemens.com> <53F44440.6070408@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
To: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>,
	Jan Kiszka <jan.kiszka@siemens.com>, kvm@vger.kernel.org
Return-path: <kvm-owner@vger.kernel.org>
Received: from mail-qc0-f176.google.com ([209.85.216.176]:60139 "EHLO
	mail-qc0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752660AbaIARET (ORCPT <rfc822;kvm@vger.kernel.org>);
	Mon, 1 Sep 2014 13:04:19 -0400
Received: by mail-qc0-f176.google.com with SMTP id m20so5740224qcx.35
        for <kvm@vger.kernel.org>; Mon, 01 Sep 2014 10:04:18 -0700 (PDT)
In-Reply-To: <53F44440.6070408@gmail.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

Il 20/08/2014 08:46, Valentine Sinitsyn ha scritto:
> Looks like it is a bug in KVM. I had a chance to run the same code
> bare-metal ([1], line 310 is uncommented for bare-metal case but present
> for nested SVM), and it seems to work as expected. However, When I trace
> it in nested SVM setup, after some successful APIC reads and writes, I
> get the following:

Valentine, can you produce another trace, this time with both kvm and
kvmmmu events enabled?

Thanks,

Paolo