From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: regression in v3.9? a guest stuck in BIOS if emulate_invalid_guest_state=Y Date: Tue, 7 May 2013 12:11:26 -0400 (EDT) Message-ID: <1072405863.7334966.1367943086056.JavaMail.root@redhat.com> References: <5188CF8B.8040809@ce.jp.nec.com> <20130507103520.GL12349@redhat.com> <5188DFF7.1090808@ce.jp.nec.com> <20130507120611.GM12349@redhat.com> <518913BE.8060300@redhat.com> <20130507150415.GC7899@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Jun'ichi Nomura" , kvm@vger.kernel.org To: Gleb Natapov Return-path: Received: from mx4-phx2.redhat.com ([209.132.183.25]:51697 "EHLO mx4-phx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753413Ab3EGQL1 convert rfc822-to-8bit (ORCPT ); Tue, 7 May 2013 12:11:27 -0400 In-Reply-To: <20130507150415.GC7899@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: ----- Messaggio originale ----- > Da: "Gleb Natapov" > A: "Paolo Bonzini" > Cc: "Jun'ichi Nomura" , kvm@vger.kernel.org > Inviato: Marted=C3=AC, 7 maggio 2013 17:04:15 > Oggetto: Re: regression in v3.9? a guest stuck in BIOS if emulate_inv= alid_guest_state=3DY >=20 > On Tue, May 07, 2013 at 04:46:22PM +0200, Paolo Bonzini wrote: > > Il 07/05/2013 14:06, Gleb Natapov ha scritto: > > > On Tue, May 07, 2013 at 08:05:27PM +0900, Jun'ichi Nomura wrote: > > >> On 05/07/13 19:35, Gleb Natapov wrote: > > >>> On Tue, May 07, 2013 at 06:55:23PM +0900, Jun'ichi Nomura wrote= : > > >>>> Hello, > > >>>> > > >>>> With v3.9 kernel and Nehalem CPU (i.e. unrestricted_guest=3DN)= , > > >>>> a guest stuck during boot (seemingly in BIOS). > > >>>> When setting emulate_invalid_guest_state=3D0, it does boot. > > >>>> (With v3.8 kernel and older, the guest used to boot fine by de= fault.) > > >>>> > > >>>> The userspace is qemu-kvm of RHEL6. > > >>>> It seems the guest boots up fine with upstream qemu 1.4.1. > > >>>> > > >>>> Is this a kernel bug? Or is the userspace just too old to run = on v3.9? > > >>>> > > >>>> > > >>> It should work. What seabios version are you using? > > >> > > >> It's seabios-0.6.1.2-26.el6. > > >> (and qemu-kvm-0.12.1.2-2.355.el6) > > >> > > > Works for me, but it looks like in your case the bios is in optio= n rom. > >=20 > > What version of vgabios, too? > >=20 > Heh, good call, actually he uses sgabios. It is right there in the ou= tput :). > Need to try that. sgabios is in addition to vgabios, not instead of it. Paolo