[openib-general] IPoIB and MC Group leaving

[Hal Rosenstock]

On Mon, 2006-12-04 at 10:49, Roland Dreier wrote:
>  > This is to make sure node is not registered in any groups. This leave
>  > may not be successful. Failure is "normal" when the subnet is starting
>  > up "fresh". There are other cases where the failure is indeed a failure.
> 
> As far as I know, IPoIB will not leave a group unless it thinks it has
> joined the group.  What is the code path for a "preemptive" leave?

OK maybe I have that part wrong but what about the other part:

The fact that a leave doesn't wait for the response and then a join is
issued. I think there is a race condition here perhaps triggered by
client reregistration.

-- Hal

>  - R.