Comments (5)
Is mpi02
on a shared NFS volume? It would be helpful to double check the linking
ldd mpi02
I don't know if it is relevant, in Fedora 40 the openmpi library is linked to libfabric
We can rule out libfabric with additional mca parameters
mpirun -np 16 --mca pml ob1 --mca btl tcp,self --hostfile ~/hosts ./mpi02
This prevents libfabric from being used.
from ompi.
Hi,
with this command
mpirun -np 16 --mca pml ob1 --mca btl tcp,self --hostfile ~/hosts ./mpi02
it works fine. So, it seems that the problem is related to libfabric.
Thanks,
Rafel Amer
from ompi.
Thanks for checking. Just to clarify, do you intend to use libfabric at all?
I wonder how libfabric is configured on your system - we can move the discussion to the libfabric community if you desire so.
$ dnf list installed | grep libfabric
$ dnf info <libfabric package name>
from ompi.
OK,
I will subscribe to the Libfabric-users mailing list and then, I will make a post.
Best regards,
Rafel Amer
from ompi.
The libfabric community would need more information to investigate the issue.
As a starter, you can turn on the relevant verbose configurations in mpirun
--mca btl_ofi_verbose 1 -x FI_LOG_LEVEL=info
from ompi.
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