Comment 10 for bug 1709877

------- Comment From <email address hidden> 2017-12-22 12:47 EDT-------
(In reply to comment #17)
> Hi,
> There is a test build of a backport available at [1].
>
> This did work through some basic checks, but a full regression test will
> take some more time.
>
> Please could you check if that fixes the issue you have with the empty numa
> node setup?
>
> If it does we can go on with the SRU. It would be great if you could provide
> as much Detail for the SRU Template [2] to this bugs description, I'll then
> help to add the rest.
>
> [1]: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/2959
> [2]: https://wiki.ubuntu.com/StableReleaseUpdates#SRU_Bug_Template

Am able to reproduce the issue still with this ppa,

# virsh dumpxml virt-tests-vm1|grep vcpu
<vcpu placement='static' current='4'>32</vcpu>

# virsh setvcpus virt-tests-vm1 6 --live
error: Invalid value '0-1,16-17' for 'cpuset.mems': Invalid argument

# numactl -H
available: 4 nodes (0-1,16-17)
node 0 cpus: 0 8 16 24 32
node 0 size: 32590 MB
node 0 free: 24161 MB
node 1 cpus: 40 48 56 64 72
node 1 size: 0 MB
node 1 free: 0 MB
node 16 cpus: 80 88 96 104 112
node 16 size: 32722 MB
node 16 free: 32126 MB
node 17 cpus: 120 128 136 144 152
node 17 size: 32564 MB
node 17 free: 31433 MB
node distances:
node 0 1 16 17
0: 10 20 40 40
1: 20 10 40 40
16: 40 40 10 20
17: 40 40 20 10

#uname -a
Linux c158f2u07os 4.4.0-105-generic #128-Ubuntu SMP Thu Dec 14 12:38:44 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux

ii libvirt-bin 1.3.1-1ubuntu10.15 ppc64el programs for the libvirt library
ii libvirt0:ppc64el 1.3.1-1ubuntu10.15 ppc64el library for interfacing with different virtualization systems
ii numad 0.5+20150602-4 ppc64el User-level daemon that monitors NUMA topology and usage
ii qemu-kvm 1:2.5+dfsg-5ubuntu10.16 ppc64el QEMU Full virtualization

Installing ppa...
# sudo add-apt-repository ppa:ci-train-ppa-service/2959
https://bileto.ubuntu.com/#/ticket/2959

/
More info: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/2959
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmpkodr59wf/secring.gpg' created
gpg: keyring `/tmp/tmpkodr59wf/pubring.gpg' created
gpg: requesting key ECF1204C from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpkodr59wf/trustdb.gpg: trustdb created
gpg: key ECF1204C: public key "Launchpad PPA for CI Train PPA Service Team" imported
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)
OK

# apt update
Hit:1 http://us.ports.ubuntu.com/ubuntu-ports xenial-proposed InRelease
Hit:2 http://us.ports.ubuntu.com/ubuntu-ports xenial InRelease
Hit:3 http://us.ports.ubuntu.com/ubuntu-ports xenial-updates InRelease
Hit:4 http://us.ports.ubuntu.com/ubuntu-ports xenial-backports InRelease
Hit:5 http://ports.ubuntu.com/ubuntu-ports xenial-security InRelease
Hit:6 http://ppa.launchpad.net/ci-train-ppa-service/2959/ubuntu xenial InRelease
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.

Let me know if I am missing any steps..

Regards,
-Satheesh.