[mpich-discuss] mpiexec fails to launch any processes

Zhou, Hui zhouh at anl.gov
Mon Jun 13 14:43:42 CDT 2022

Hi Kurt,

I don't have much clue. Are you able to launch some trivial applications, for example, "hostname​"?

From: Mccall, Kurt E. (MSFC-EV41) via discuss <discuss at mpich.org>
Sent: Monday, June 13, 2022 12:29 PM
To: discuss at mpich.org <discuss at mpich.org>
Cc: Mccall, Kurt E. (MSFC-EV41) <kurt.e.mccall at nasa.gov>
Subject: Re: [mpich-discuss] mpiexec fails to launch any processes

Outlook blocked the output file slurm.out that I had attached.   Trying to send it again as slurm.txt.



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.

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