[one-users] VM stuck in "migration" state - migration never issued(Xen)

[Thomas Knauth]

On Wed, Jun 29, 2011 at 3:55 PM, Javier Fontan <jfontan at gmail.com> wrote:
> After live migration command the action is immediately send to the
> driver so most of the times the call to xm migrate should be mostly
> instantaneous. You also have to take into account that we have limited
> the number of actions that can be performed over a Host, only one per
> host. This actions are all related with VM's, creation, shutdown,
> migration, etc. Can you check that no other action is being performed
> in that host?

What happens if there are multiple commands issued for the same host?
Are they put in a queue? Are they discarded? Can I inspect the queued
commands?