Instance creation fails with “Cannot find suitable CPU” on Debian 7

KVM by default does not work (even though vmx/smx is enabled for CPUs) – instance creation fails with “Cannot find suitable CPU”.

Solution:

  • In /etc/libvirtd/qemu.conf:
  • remove fileĀ /var/cache/libvirt/qemu/capabilities and restart host (libvirtd restart does not suffice)
  • After restart check capabilities with:

Leave a Reply

Your email address will not be published. Required fields are marked *