[ PCA ] A compute node's xen process has CPU usage at 100% and any xm commands run against it are hanging (Doc ID 2190934.1)

Last updated on OCTOBER 27, 2016

Applies to:

Private Cloud Appliance - Version 1.0.1 to 2.1.1 [Release 1.0 to 2.0]
Linux x86-64

Symptoms

On Oracle Private Cloud Appliance, a compute node may suddenly stop responding, having the xen hypervisor using 100% of CPU.

Any xm commands run against that compute node e.g. to live migrate virtual machines off to another node are hanging the session the xm command is being run on.

Cause

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