What causes message "libvirtd: 14:41:53.001: error : operation failed: could not query memory balloon allocation" on the host?

Solution Unverified - Updated -

Issue

  • Below error message appear in /var/log/messages of an RHEL5.5 host that uses KVM to run virtual machines.
libvirtd: 14:41:53.001: error : operation failed: could not query memory balloon allocation
  • What does it mean and how can it be resolved?

Environment

  • Red Hat Enterprise Linux 5
  • libvirt

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