I’m wondering if it is also possible that the error message is simply printing 
that ID incorrectly. Looking at the code, it appears that we do perform the 
network byte translation correctly when we setup the data for transmission 
between the processes. However, I don’t see that translation being done before 
we print the error message. Hence, I think the error message is printing out 
the device ID incorrectly - and the problem truly is just that the queues are 
different.


> On Jun 1, 2015, at 7:30 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> 
> wrote:
> 
> This is not a heterogeneous run-time issue -- it's the issue that Nathan 
> cited: that OMPI detected different receive queue setups on different 
> machines.
> 
> As the error message states; the openib BTL simply cannot handle when 
> different MPI processes specific different receive queue specifications.
> 
> You mentioned that the device ID is being incorrectly identified: is that 
> OMPI's fault, or something wrong with the device itself?
> 
> 
> 
>> On Jun 1, 2015, at 6:06 PM, Steve Wise <sw...@opengridcomputing.com> wrote:
>> 
>> On 6/1/2015 9:53 AM, Ralph Castain wrote:
>>> Well, I checked and it looks to me like —hetero-apps is a stale option in 
>>> the master at least - I don’t see where it gets used.
>>> 
>>> Looking at the code, I would suspect that something didn’t get configured 
>>> correctly - either the —enable-heterogeneous flag didn’t get set on one 
>>> side, or we incorrectly failed to identify the BE machine, or both. You 
>>> might run ompi_info on the two sides and verify they both were built 
>>> correctly
>> 
>> We'll check ompi_info...
>> 
>> Thanks!
>> 
>> Steve.
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> 
> 
> -- 
> Jeff Squyres
> jsquy...@cisco.com
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