Good morning,

In my debugging education I've hit lesson #3 with an error I'm not sure
about. I tried reading about it, but I didn't quite get it.

My command line is the following:

mpirun --mca pml '^ucx' --mca btl '^openib' -np 1 -map-by ppr:8:node
/home/jelayton/bin/bin/app <app options>

This is just the starting point for running this application.

I get the following error that I'm not sure of.

--------------------------------------------------------------------------
A requested component was not found, or was unable to be opened.  This
means that this component is either not installed or is unable to be
used on your system (e.g., sometimes this means that shared libraries
that the component requires are unable to be found/loaded).  Note that
PMIX stopped checking at the first component that it did not find.

Host:      dgx-04
Framework: gds
Component: shmem2
--------------------------------------------------------------------------

--------------------------------------------------------------------------
A requested component was not found, or was unable to be opened.  This
means that this component is either not installed or is unable to be
used on your system (e.g., sometimes this means that shared libraries
that the component requires are unable to be found/loaded).  Note that
PMIX stopped checking at the first component that it did not find.

Host:      dgx-04
Framework: gds
Component: shmem2
--------------------------------------------------------------------------

[dgx-04:3543030] mca_base_component_repository_open: unable to open
mca_mtl_psm: libpsm_infinipath.so.1: cannot open shared object file: No
such file or directory (ignored)
ERROR: block size must be a multiple of transfer size, (ior.c:1490)
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
with errorcode -1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------


(apologies for the different font - it helps me keep things separate).

In reading things I know gds is a key-value store, but I can't quite figure
out how I requested that (or if it's a default). Can I turn it off usine
--mca gds ?

Thanks!

Jeff







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