[ofw] Double tracking of AV (address vectors) by the PD and the send_mad

[Hefty, Sean]

> While working on debugging a bug in the IBAL code we have came to conclusion
> that send mads use addresses vectors. This AV are being handled by the mad
> which will return them to the pool once it has done with them.

This sounds right.  Do you know what PD the AVs are created on?  Is it an internal PD associated with some global instance?

> However, in the case of closing of the IBAL instance the PD also gets closed.
> When it is closed it goes to all it's sons (i.e. the AV) and returns them to
> the pool. This leads to data corruptions on the AV pool.
> 
> 
> 
> Is there something that we don't understand here, or is this a bug?

Sounds like a possible bug.  I guess we need to know if MADs be outstanding at the time the relevant PD is destroyed.