The version by the way for Open-MPI is 3.1.2.

-Adam LeBlanc

On Thu, Nov 1, 2018 at 12:05 PM Adam LeBlanc <> wrote:

> Hello, I am an employee of the UNH InterOperability Lab, and we are in the
> process of testing OFED-4.17-RC1 for the OpenFabrics Alliance. We have
> purchased some new hardware that has one processor, and noticed an issue
> when running mpi jobs on nodes that do not have similar processor counts.
> If we launch the MPI job from a node that has 2 processors, it will fail
> and stating there are not enough resources and will not start the run, like
> so:
> --------------------------------------------------------------------------
> There are not enough slots available in the system to satisfy the 14 slots
> that were requested by the application:   IMB-MPI1 Either request fewer
> slots for your application, or make more slots available for use.
> --------------------------------------------------------------------------
> If we launch the MPI job from the node with one processor, without changing
> the mpirun command at all, it runs as expected. Here is the command being
> run: mpirun --mca btl_openib_warn_no_device_params_found 0 --mca
> orte_base_help_aggregate 0 --mca btl openib,vader,self --mca pml ob1 --mca
> btl_openib_receive_queues P,65536,120,64,32 -hostfile
> /home/soesterreich/ce-mpi-hosts IMB-MPI1 Here is the hostfile being used:
> slots=1 slots=1
> slots=1 slots=1
> slots=1 slots=1
> slots=1 This seems like a bug and we would like
> some help to explain and fix what is happening. The IBTA plugfest saw
> similar behaviours, so this should be reproduceable. Thanks, Adam LeBlanc
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