On Wed, Dec 23, 2015 at 05:14:16PM +0100, Andrea Bolognani wrote: > Hi all, > > libvirt currently doesn't allow you to configure a guest with something > like > > <cpu> > <topology sockets='2' cores='5' threads='8'/> > <numa> > <cell id='0' cpus='0-39' memory='1048576' unit='KiB'/> > <cell id='16' cpus='40-79' memory='1048576' unit='KiB'/> > </numa> > </cpu> > > with the following error: > > XML error: Exactly one 'cell' element per guest NUMA cell allowed, > non-contiguous ranges or ranges not starting from 0 are not allowed > > The error message is very specific about not allowing gaps in NUMA cell > numbering; however, on the very same host, I have > > $ numactl --hard | head -1 > available: 4 nodes (0-1,16-17) > > so gaps in numbering are definitely possible, at least on ppc64. Well that says Linux supports gaps, but does QEMU actually allow us to specify gaps ? Regards, 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 :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list