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Oracle Linux: DomU Guest Fails to Boot with Error: "[xenstore_process_vcpu_set_event]: /local/domain/1/cpu has no CPU!" (Doc ID 2705240.1)

Last updated on JULY 13, 2021

Applies to:

Linux OS - Version Oracle Linux 6.9 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64


DomU virtual guest running on a stand-alone Xen Hypervisor suddenly experienced I/O errors and then became non-responsive.

The Virtual Guest was rebooted to try clear these errors, however, the guest then failed to start on boot, with the following errors logged to the guest's qemu log on the Xen hypervisor: 


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