Re: [libvirt-users] Setting CPU type for a vm

On Thu, Jul 19, 2012 at 07:54:49AM -0600, Eric Blake wrote: > On 07/18/2012 08:45 PM, Mauricio Tavares wrote: > > I have a Windows XP vm and would like to know how should I set its > > cpu so it is seen by the vm as a proper 32bit one. In its xml file, I have > > > > <os> > > <type arch='i686' machine='rhel6.2.0'>hvm</type> > > That's the correct way. > > > and this is what virsh thinks my vm has: > > > > [root@vmhost ~]# virsh vcpuinfo xp > > VCPU: 0 > > This looks like a bug - a guest cannot exist without at least one vcpu. > > > CPU: 2 > > That only says your host has 2 cpus that the guest can utilize; it says > nothing about what type of cpu the guest will see. You're mis-interpreting the data here. 'vpucinfo' info repeats these four lines of data per VCPU. So this is saying that the first vCPU, #0, is running running on host CPU #2. The total number of guest CPUs is shown by 'virsh dominfo' The total number of host CPUs is shown by 'virsh nodeinfo'

Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|