By migrating VMs one at a time I noticed that trouble seemed to be
following one of them in particular. I powered that VM down and the
problem stopped. Unlike all the other VMs this one had the "random
number generator enabled" box checked. I removed the setting and
started the VM. It took longer than normal to start and the host spit
out some kernel errors. But then the VM started and everything now
appears to be normal.

On Sun, Jan 24, 2016 at 1:43 AM, Fil Di Noto <fdinoto@gmail.com> wrote:
> This has been showing up in the logs on a couple of my hosts. When I
> put the host into maintenance mode the message stops but then appears
> on another host where the VMs were migrated to. Is this a serious
> problem? ( and is it caused by hot-adding CPU cores or memory? )
>
> periodic/21::ERROR::2016-01-24
> 09:34:41,884::executor::188::Executor::(_execute_task) Unhandled
> exception in <virt.periodic.NumaInfoMonitor object at 0x7efc240c8250>
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/vdsm/executor.py", line 186,
> in _execute_task
>     callable()
>   File "/usr/share/vdsm/virt/periodic.py", line 271, in __call__
>     self._execute()
>   File "/usr/share/vdsm/virt/periodic.py", line 311, in _execute
>     self._vm.updateNumaInfo()
>   File "/usr/share/vdsm/virt/vm.py", line 5025, in updateNumaInfo
>     self._numaInfo = numaUtils.getVmNumaNodeRuntimeInfo(self)
>   File "/usr/share/vdsm/numaUtils.py", line 116, in getVmNumaNodeRuntimeInfo
>     vnode_index = str(vcpu_to_vnode[vcpu_id])
> KeyError: 1
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