On Nov 11, 2014, at 4:56 PM, Friedley, Andrew <andrew.fried...@intel.com> wrote:

> OK, I'm able to reproduce this now, not sure why I couldn't before.  I took a 
> look at the diff of the PSM MTL from 1.6.5 to 1.8.1, and nothing is standing 
> out to me.
> 
> Question more for the general group:  Did anything related to the 
> behavior/usage of MTL add_procs() change in this time window?

The time between the 1.6.x series and the 1.8.x series is measure in terms of a 
year or two, so, ya, something might have changed...

> More particularly, it looks like add_procs is being called a second time 
> during MPI_Intercomm_create and being passed a process that is already 
> connected (passed into the first add_procs call).  Is that right?  Should the 
> MTL handle multiple add_procs calls with the same proc provided?

I'm afraid I don't know much about the MTL interface.

George / Nathan?

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