[OMPI users] Open MPI 5.0.0rc8 failure but 4.1.4version work well

Two machines. A: 192.168.180.48 B: 192.168.60.203 The hostfile content is 192.168.60.203 slots=2 1. using openmpi 4.1.4, execute "mpirun -n 2 --machinefile hostfile hostname" on machine A. The hostname of B is printed correctly. 2. However, using openmpi 5.0.0rc8, the result on machine A is $m

[OMPI users] --mca btl_base_verbose 30 not working in version 5.0

mpirun --mca btl self,sm,tcp --mca btl_base_verbose 30 -np 2 --machinefile hostfile  hostname Why this sentence does not print IP addresses are routable in openmpi 5.0.0.rc9?