Hi Jorge, If a firewall is running on your nodes, I suggest you disable it and try again
Cheers, Gilles On Wed, Oct 21, 2020 at 5:50 AM Jorge SILVA via users <users@lists.open-mpi.org> wrote: > > Hello, > > I installed kubuntu20.4.1 with openmpi 4.0.3-0ubuntu in two different > computers in the standard way. Compiling with mpif90 works, but mpirun > hangs with no output in both systems. Even mpirun command without > parameters hangs and only twice ctrl-C typing can end the sleeping > program. Only the command > > mpirun --help > > gives the usual output. > > Seems that is something related to the terminal output, but the command > worked well for Kubuntu 18.04. Is there a way to debug or fix this > problem (without re-compiling from sources, etc)? Is it a known problem? > > Thanks, > > Jorge >
