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.