Comment 2 for bug 1778305

Which release are you on? Pike I guess? The traceback would be useful, but I'm guessing we're failing as a result of lazy-loading the instance.services field which does a joinedload in the DB API here:

https://github.com/openstack/nova/blob/stable/pike/nova/db/sqlalchemy/api.py#L1956

Although the backref says that should only pull non-deleted services for instance.services:

https://github.com/openstack/nova/blob/stable/pike/nova/db/sqlalchemy/models.py#L103

So yeah, a stacktrace with the error would be useful here.