yahoo-eng-team team mailing list archive

[Sylvain Bauza <sbauza@xxxxxxx>]

Public bug reported:

With the libvirt driver, rescuing an instance means that the attached
mediated devices for virtual GPUs will be released. When unrescuing the
instance, the driver will use the existing guest XML so it will attach
again the mediated devices, but it could be a race condition in case the
related vGPUs are now attached to a separate instance.

We should attach the mediated devices to the rescued instance too.

** Affects: nova
     Importance: Low
     Assignee: Sylvain Bauza (sylvain-bauza)
         Status: Confirmed


** Tags: libvirt vgpu

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https://bugs.launchpad.net/bugs/1762688

Title:
  rescued instance doesn't have attached vGPUs

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  With the libvirt driver, rescuing an instance means that the attached
  mediated devices for virtual GPUs will be released. When unrescuing
  the instance, the driver will use the existing guest XML so it will
  attach again the mediated devices, but it could be a race condition in
  case the related vGPUs are now attached to a separate instance.

  We should attach the mediated devices to the rescued instance too.

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