We will try to set the node to cpuset.mems without check if it is available, since we already have helper to check this. Call virNumaNodesetIsAvailable to check if node is available, then try to change it in the cgroup. Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index fa655b5..45dfca0 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -9977,6 +9977,9 @@ qemuDomainSetNumaParamsLive(virDomainObjPtr vm, goto cleanup; } + if (!virNumaNodesetIsAvailable(nodeset)) + goto cleanup; + /* Ensure the cpuset string is formatted before passing to cgroup */ if (!(nodeset_str = virBitmapFormat(nodeset))) goto cleanup; -- 1.8.3.1