OpenStack Compute (nova)

  1. Bug #1900800
  2. Comment #1

Comment 1 for bug 1900800

Revision history for this message
Sylvain Bauza (sylvain-bauza) wrote :

Thanks for reporting !

Oh shit, you're right, we can't lookup the existing mdev info [1] to know its parent PCI device since the mdev disappeared after rebooting...

[1] https://github.com/openstack/nova/blob/450213f/nova/virt/libvirt/driver.py#L816

So, honestly, there are no ways to know the parent PCI device since we don't persist mdevs and to be honest, that's not something Nova should do since it's a KVM/kernel issue.

Leaving the bug open until we figure out a good way to either document or fix this.