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Github actions OpenMPI Macos: A system call failed during shared memory initialization that should not have. #126

Open burlen opened 1 year ago

burlen commented 1 year ago 
15: A system call failed during shared memory initialization that should
15: not have.  It is likely that your MPI job will now either abort or
15: experience performance degradation.
15: 
15:   Local host:  Mac-1684965637365.local
15:   System call: unlink(2) /var/folders/24/8k48jl6d249_n_qfxwsl6xvm0000gn/T//ompi.Mac-1684965637365.501/pid.23631/1/vader_segment.Mac-1684965637365.501.55560001.1
15:   Error:       No such file or directory (errno 2)

the work around for this may be:

export TMPDIR=/tmp

See https://github.com/open-mpi/ompi/issues/7393#issuecomment-882018321