From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: Installation of Windows 8 hangs with KVM
Date: Mon, 7 Jan 2013 10:53:52 +0200
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Cc: Stefan Pietsch <stefan.pietsch@lsexperts.de>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>
To: "Ren, Yongjie" <yongjie.ren@intel.com>
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On Mon, Jan 07, 2013 at 08:38:59AM +0000, Ren, Yongjie wrote:
> > -----Original Message-----
> > From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org]
> > On Behalf Of Stefan Pietsch
> > Sent: Monday, January 07, 2013 2:25 AM
> > To: Gleb Natapov
> > Cc: kvm@vger.kernel.org
> > Subject: Re: Installation of Windows 8 hangs with KVM
> > 
> > * Gleb Natapov <gleb@redhat.com> [2013-01-06 11:11]:
> > > On Fri, Jan 04, 2013 at 10:58:33PM +0100, Stefan Pietsch wrote:
> > > > Hi all,
> > > >
> > > > when I run KVM with this command the Windows 8 installation stops
> > with
> > > > error code 0x0000005D:
> > > > kvm -m 1024 -hda win8.img -cdrom windows_8_x86.iso
> > > >
> > > > After adding the option "-cpu host" the installation proceeds to a black
> > > > screen and hangs.
> > > >
> > > > With Virtualbox the installation succeeds.
> > > > The host CPU is an Intel Core Duo L2400.
> > > >
> > > > Do you have any suggestions?
> > > >
> > > >
> > > What is your kernel/qemu version?
> > 
> > I'm using Debian unstable.
> > 
> > qemu-kvm 1.1.2+dfsg-3
> > Linux version 3.2.0-4-686-pae (debian-kernel@lists.debian.org) (gcc
> > version 4.6.3 (Debian 4.6.3-14) ) #1 SMP Debian 3.2.35-2
> > 
> you met issue only for 32bit Win8 (not 64 bit Win8), right?
> I think it's the same issue as the below bug I reported.
> https://bugs.launchpad.net/qemu/+bug/1007269
> You can try with '-cpu coreduo' or '-cpu core2duo' in qemu-kvm command line.
> 
> This should be a known issue which is caused by missing 'SEP' CPU flag.
> See another bug in Redhat bugzilla.
> https://bugzilla.redhat.com/show_bug.cgi?id=821741
> 
That was RHEL kernel bug. Doubt Debian one has it.

--
			Gleb.