Guest CPU doesn't match specification: missing features: vmx

Solution Verified - Updated -

Issue

  • Trying to live migrate a VM fails with the message libvirtError: operation failed: guest CPU doesn't match specification: missing features: vmx

  • The following message can be seen in vdsm logs:

libvirtError: operation failed: guest CPU doesn't match specification: missing features: vmx
2018-11-29 19:37:53,832-0800 INFO  (jsonrpc/2) [api.virt] START getMigrationStatus() from=::ffff:192.168.0.100,58268, vmId=6bce3745-d2e6-4f29-bc60-9b7e910ff005 (api:46)
  • All hypervisors in cluster have the vmx CPU flag enabled.

Environment

  • Red Hat Virtualization 4.2

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.