Problem with MPICH Version: 4.2.0 in Linux Mint (ubuntu)

[llueveYescampa]

Hi,
I am having a problem with MPICH Version 4.2.0. This is the version of MPI that install in Linix Mint 22 using:
sudo apt install -y libmpich-dev

Let me explain my problem with a simpe example. I am tring to run the following program:
//++++++++++++++++++++++++++++++++++++++++++++++++
#include <stdio.h>
#include <mpi.h>
int main(int argc, char** argv)
{
int id, num_procs;

MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &id);
MPI_Comm_size(MPI_COMM_WORLD, &num_procs);

printf("I am: %d out of %d processors:\n", id, num_procs );

MPI_Finalize();

return 0;
}
//+++++++++++++++++++++++++++++++++++++++++++++++

After compiling it, using "mpicc testMpi.c -o testMpi", I am running it with the following command:
$ mpiexec -n 4 testMpi
and the output I am getting is:
I am: 0 out of 1 processors:
I am: 0 out of 1 processors:
I am: 0 out of 1 processors:
I am: 0 out of 1 processors:

The correct asnwer is:

I am: 0 out of 4 processors:
I am: 1 out of 4 processors:
I am: 2 out of 4 processors:
I am: 3 out of 4 processors:

Have anyone notice someting similar?

[raffenet]

It likely a mismatched configuration of MPICH and mpiexec. What is the output of mpichversion from the installed package?

[llueveYescampa]

Hi!
Thanks for answering.

This is the full output of the mpichversion command:

$ mpichversion
MPICH Version: 4.2.0
MPICH Release date: Fri Feb 9 12:29:21 CST 2024
MPICH ABI: 16:0:4
MPICH Device: ch4:ucx
MPICH configure: --build=x86_64-linux-gnu --prefix=/usr --includedir=${prefix}/include --mandir=${prefix}/share/man --infodir=${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --disable-option-checking --disable-silent-rules --libdir=${prefix}/lib/x86_64-linux-gnu --runstatedir=/run --disable-maintainer-mode --disable-dependency-tracking --with-pmix=/usr/lib/x86_64-linux-gnu/pmix2 --with-ucx=/usr --with-device=ch4:ucx --with-pm=hydra --with-hwloc-prefix=/usr --with-wrapper-dl-type=none --enable-shared --without-yaksa --prefix=/usr --enable-fortran=all --disable-rpath --disable-wrapper-rpath --sysconfdir=/etc/mpich --libdir=${prefix}/lib/x86_64-linux-gnu/mpich/lib --includedir=${prefix}/lib/x86_64-linux-gnu/mpich/include --docdir=/usr/share/doc/mpich CPPFLAGS= CFLAGS= CXXFLAGS= FFLAGS=-O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -fallow-invalid-boz -fallow-argument-mismatch FCFLAGS=-O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -fallow-invalid-boz -fallow-argument-mismatch BASH_SHELL=/bin/bash
MPICH CC: gcc -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -O2
MPICH CXX: g++ -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -O2
MPICH F77: gfortran -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -fallow-invalid-boz -fallow-argument-mismatch -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -cpp -fallow-invalid-boz -fallow-argument-mismatch -O2
MPICH FC: gfortran -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -fallow-invalid-boz -fallow-argument-mismatch -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -fcf-protection -fdebug-prefix-map=/build/mpich-C3oteG/mpich-4.2.0=/usr/src/mpich-4.2.0-5build3 -cpp -fallow-invalid-boz -fallow-argument-mismatch -O2
MPICH features: threadcomm

[hzhou]

It is a known bad config/packaging. Try upgrade the package or manually build MPICH. In particular, remove the --with-pmix=... option.

[llueveYescampa]

Thank you hzhou.

It looks like upgrading the package don't do any good.
I will try to manually build MPICH.

Thanks again.