[libvirt-users] Windows Guest ignores CPU topology settings on Ubuntu Lucid host

[Michal Privoznik]

On 23.01.2015 13:50, Karol Jędrzejczyk wrote:
> I try to assign 8 host cores to Windows 2003 Server Standard guest.
> Because this OS version has a limit of 4 sockets, I have to change the
> CPU topology. My guest definition:
> 
>   <vcpu>8</vcpu>
>   <cpu match='minimum'>
>     <model>core2duo</model>
>     <topology sockets='4' cores='1' threads='2'/>
>   </cpu>
> 
> doesn't work as expected. I should have 4 CPUs in the Device Manager and
> 8 CPU charts in Task Manager, but I have the opposite. And no matter
> what numbers I set in the topology, the guest always detects 8 sockets.
> What am I doing wrong?
> 
> libvirt 0.7.5
> qemu-kvm 0.12.3

Probably this ^^^. That's rather ancient libvirt and qemu. Try to upgrade.

Michal