Re: [Qemu-devel] cpu hotplug and windows guest (win2012r2)

[Andrey Korolyov]

On Tue, Jan 20, 2015 at 10:06 PM, Alexandre DERUMIER
<address@hidden> wrote:
> Hi,
>
> I have tried with numa enabled, and it's still don't work.
> Can you send me your vm qemu command line ?
>
>
> Also, with numa I have notice something strange with "info numa" command.
>
> starting with -smp socket=2,cores=1
>
> # info numa
> 2 nodes
> node 0 cpus: 0
> node 0 size: 2048 MB
> node 1 cpus: 1
> node 1 size: 2048 MB
>
> ok
>
>
> now:
>
> starting with -smp 1,socket=2,cores=1,maxcpus=2
>
> # info numa
> 2 nodes
> node 0 cpus: 0
> node 0 size: 2048 MB
> node 1 cpus:
> node 1 size: 2048 MB
>
> ok
>
>
> now hotplug cpu
>
> # cpu-add 1
> # info numa
> 2 nodes
> node 0 cpus: 0 1
> node 0 size: 2048 MB
> node 1 cpus:
> node 1 size: 2048 MB
>
>
> cpu1 has been hotplugged on numa node0 ??????
>
>

http://lists.gnu.org/archive/html/qemu-devel/2015-01/msg02240.html
here are working examples. Yes, everything goes to the node0 unless
specified (you can see an example for bounded sockets in this url
too).