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[Stephen Finucane <1914259@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

As discussed on the mailing list [1], a recent change disabling the USB
controller when no USB devices are found [2] has broken the PPC64LE
third party CI job. It seems libvirt will add an implicit USB keyboard
and mouse on PPC64 and PPC64LE architectures [3]. We probably need to
special case this architecture.

[1] http://lists.openstack.org/pipermail/openstack-discuss/2021-February/020153.html
[2] https://review.opendev.org/c/openstack/nova/+/756549
[3] https://github.com/libvirt/libvirt/blob/3d42a57666/src/qemu/qemu_domain.c#L3559-L3560

** Affects: nova
     Importance: High
     Assignee: Stephen Finucane (stephenfinucane)
         Status: Confirmed


** Tags: libvirt ppc64

** Changed in: nova
       Status: New => Confirmed

** Changed in: nova
   Importance: Undecided => High

** Tags added: libvirt ppc64

** Changed in: nova
     Assignee: (unassigned) => Stephen Finucane (stephenfinucane)

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https://bugs.launchpad.net/bugs/1914259

Title:
  Disabled USB controller breaks PPC64LE hosts

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  As discussed on the mailing list [1], a recent change disabling the
  USB controller when no USB devices are found [2] has broken the
  PPC64LE third party CI job. It seems libvirt will add an implicit USB
  keyboard and mouse on PPC64 and PPC64LE architectures [3]. We probably
  need to special case this architecture.

  [1] http://lists.openstack.org/pipermail/openstack-discuss/2021-February/020153.html
  [2] https://review.opendev.org/c/openstack/nova/+/756549
  [3] https://github.com/libvirt/libvirt/blob/3d42a57666/src/qemu/qemu_domain.c#L3559-L3560

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