Hello,
Samuel Thibault, le ven. 15 mars 2024 10:31:54 +0100, a ecrit:
> Lucas Nussbaum, le mer. 13 mars 2024 15:56:40 +0100, a ecrit:
> > > [P0T0] Starting EZTrace (pid: 878489)...
> > > [P0T0] MPI mode selected
> > > This program requires 2 MPI processes, aborting...
> > > dir: mpi_ping_trace
> > > /bin/rm: cannot remove 'mpi_ping_trace': Directory not empty
> > > [P0T0] Stopping EZTrace (pid:878489)...
> > > [P0T0] Starting EZTrace (pid: 878488)...
> > > [P0T0] MPI mode selected
> > > This program requires 2 MPI processes, aborting...
> > > [P0T0] Stopping EZTrace (pid:878488)...
> > > [[1;32mOK[0m]
>
> The test does run 2 processes. I tried this:
>
> $ cat test.c
> #include <mpi.h>
> #include <stdio.h>
> int main(int argc, char *argv[]) {
> int rank, size;
> MPI_Init(&argc, &argv);
> MPI_Comm_rank(MPI_COMM_WORLD, &rank);
> MPI_Comm_size(MPI_COMM_WORLD, &size);
> printf("I'm %d/%d\n", rank, size);
> return 0;
> }
>
> And it reports:
>
> $ mpirun -np 2 ./test
> Authorization required, but no authorization protocol specified
>
> Authorization required, but no authorization protocol specified
>
> Authorization required, but no authorization protocol specified
>
> Authorization required, but no authorization protocol specified
>
> I'm 0/1
> I'm 0/1
>
> and the same with a hosts file containing localhost twice.
I tried with disabling PMIX (commenting PMIX:=
--with-pmix=/usr/lib/$(DEB_HOST_MULTIARCH)/pmix2), and that fixed it.
Unless somebody complains, I will NMU that change, to get back mpich
working in unstable.
Samuel
