[ofa-general] Re: [PATCH] ipoib: send creation parameters when doing send-only join

[Yossi Etigin]

Roland Dreier wrote:
>  > IBA states for a MC group to be present there must be at least one
>  > "full" member (sender and receiver). So it's not only just senders
>  > (SendOnlyNonMembers) but also only just receivers (NonMembers) which
>  > won't cause group creation.
> 
> Sure, but the same question still applies.  More pedantically, if there
> are only non-members and send-only non-members of a group, why would we
> expect it to be created?

ipoib senders are FullMembers so sm will try to create the group event if
there are only ipoib senders.

> 
> The patch in question wouldn't even work if we actually used the
> send-only join status in IPoIB.
> 
>  - R.
> 

But we don't, so it's required. Please see bug #1153 for case description.