accelerators not reconnected to vm after host reboots

Bug #2011754 reported by norman shen
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Cyborg (OpenStack)

Bug Description

We found that after a host reboot, GPU device is not correctly reconnected to virtual machine. And a virtual machine hard reboot is required to make it work again.

Version: stable/victoria both for nova & cyborg
Ubuntu 18.04 with kernel version 5.4.61-050461-generic

norman shen (jshen28)
description: updated
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