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Date: Mon, 19 Jan 2015 18:13:59 +0100 (CET)
From: Alexandre DERUMIER <aderumier@odiso.com>
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Subject: Re: [Qemu-devel] cpu hotplug and windows guest (win2012r2)
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To: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

>>it might be a limitation of specific Windows edition,
>>I've tested it with W2012R2 Datacenter edition where it's supported for s=
ure.

>>From the ovirt documentation:

http://www.ovirt.org/Hot_plug_cpu

It should work with any win2012 version.=20
(Indeed for win2008, datacenter edition was needed)


----- Mail original -----
De: "Igor Mammedov" <imammedo@redhat.com>
=C3=80: "aderumier" <aderumier@odiso.com>
Cc: "qemu-devel" <qemu-devel@nongnu.org>
Envoy=C3=A9: Lundi 19 Janvier 2015 17:06:37
Objet: Re: [Qemu-devel] cpu hotplug and windows guest (win2012r2)

On Fri, 9 Jan 2015 11:26:08 +0100 (CET)=20
Alexandre DERUMIER <aderumier@odiso.com> wrote:=20

> Hi,=20
>=20
> I'm currently testing cpu hotplug with a windows 2012R2 standard guest,=
=20
>=20
> and I can't get it too work. (works fine with linux guest).=20
>=20
> host kernel : rhel7 3.10 kernel=20
> qemu 2.2=20
>=20
>=20
> qemu command line : -smp cpus=3D1,sockets=3D2,cores=3D1,maxcpus=3D2=20
>=20
> Started with 1cpu, topogoly is 2sockets with 1cores.=20
>=20
>=20
> Then=20
>=20
> qmp# cpu-add 1=20
>=20
>=20
> I can see a new cpu is windows device manager, and event log in the devic=
e said that it's online.=20
>=20
> So it should be ok, but.=20
>=20
> I can't see new processor in taskmanager or perfmon. (I had tried to rela=
unch them to be sure.).=20
>=20
>=20
> So, it is a windows bug ? Does I need to do something else ?=20
it might be a limitation of specific Windows edition,=20
I've tested it with W2012R2 Datacenter edition where it's supported for sur=
e.=20

>=20
>=20
>=20
>=20
>=20
>=20
>=20