From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: EPT: Misconfiguration
Date: Tue, 15 Feb 2011 15:16:39 -0200
Message-ID: <20110215171639.GA12842@amt.cnet>
References: <AANLkTinjt8G=mdEZK1a3qKozHw24uN0dfy2vUckbqwSZ@mail.gmail.com>
 <20110121132247.GA3097@amt.cnet>
 <AANLkTi=kMRu+4V6cc3bZtAT-L2P5cUo0QR3wNR3Y4u6B@mail.gmail.com>
 <4D3F0AD1.9010903@redhat.com>
 <AANLkTi=RMXSHAAbnN=HykGqbUshOFX_DO4kgYXTZUAdR@mail.gmail.com>
 <4D3FEEDB.5070407@redhat.com>
 <AANLkTimhkuMeKuihwRVnphxdCejpGi3rgd3uj9Xc_70v@mail.gmail.com>
 <AANLkTik76qykBCS_sEDQvBr4n7=BuffiU23bYKjFTRxa@mail.gmail.com>
 <AANLkTikS2M2pxO09PHN8+5+cBaQ593C9H7KthQHd4tM0@mail.gmail.com>
 <4D57D6AC.7000608@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Ruben Kerkhof <ruben@rubenkerkhof.com>, kvm <kvm@vger.kernel.org>
To: Avi Kivity <avi@redhat.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mx1.redhat.com ([209.132.183.28]:38845 "EHLO mx1.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1754097Ab1BORRR (ORCPT <rfc822;kvm@vger.kernel.org>);
	Tue, 15 Feb 2011 12:17:17 -0500
Content-Disposition: inline
In-Reply-To: <4D57D6AC.7000608@redhat.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

On Sun, Feb 13, 2011 at 03:03:40PM +0200, Avi Kivity wrote:
> On 02/13/2011 04:07 AM, Ruben Kerkhof wrote:
> >And tonight we had another one of those errors we had a few weeks ago:
> >
> >2011-02-13T02:56:28.694496+01:00 phy005 kernel: EPT: Misconfiguration.
> >2011-02-13T02:56:28.694908+01:00 phy005 kernel: EPT: GPA: 0x2edff000
> 
> This GPA indexes into the 511th entry of the spte.  Marcelo, does
> this remind you of https://bugzilla.kernel.org/show_bug.cgi?id=27052
> by any chance?

This and the others reported. So yes, it looks something is corrupting
memory. Ruben, you can try to boot with slub_debug=ZFPU kernel option.
Is there any reason for not upgrading to FC14?