[mpich-discuss] mpiexec fails to launch any processes

[Mccall, Kurt E. (MSFC-EV41)]

Hi,

My mpiexec command fails to launch any processes.   I ran it with the -verbose option but didn't see any obvious errors in the output (attached).

The command is:

mpiexec -launcher ssh -verbose -print-all-exitcodes -wdir  <directory> -np 20 -ppn 1  <more args...>

I am running MPICH 4.0.1 under Slurm 20.11.8.  Thanks for any help.

Kurt
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