From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [nvmx testing, linux on linux] Disabling EPT in L1 renders L2 stuck on boot Date: Wed, 9 Oct 2013 11:16:37 +0300 Message-ID: <20131009081637.GJ3574@redhat.com> References: <20131004093859.GF31244@redhat.com> <20131004130550.GA12257@redhat.com> <20131004130817.GB12257@redhat.com> <52540298.2030807@redhat.com> <52541B25.504@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Paolo Bonzini , "kvm@vger.kernel.org" To: Kashyap Chamarthy Return-path: Received: from mx1.redhat.com ([209.132.183.28]:61270 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751567Ab3JIMrY (ORCPT ); Wed, 9 Oct 2013 08:47:24 -0400 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Oct 09, 2013 at 11:52:29AM +0530, Kashyap Chamarthy wrote: > On Tue, Oct 8, 2013 at 8:18 PM, Paolo Bonzini wrote: > > Il 08/10/2013 15:03, Paolo Bonzini ha scritto: > >> Il 08/10/2013 07:38, Kashyap Chamarthy ha scritto: > >>> On Mon, Oct 7, 2013 at 6:29 PM, Kashyap Chamarthy wrote: > >>>> Gleb, so I just did a trace of KVM MMU to try to understand why L2 is > >>>> stuck with shadow on EPT > >>> > >>> Paolo, were you able to reproduce this again? Yesterday, on #qemu you > >>> mentioned you'll test it again :-) > >> > >> Yes, I could reproduce it too. 72f857950f6f19cba42a9ded078bbc99f10aa667 causes it and I ran kernel without this commit. Will look into it. -- Gleb.