The definition of export OMPI_MCA_btl_tcp_if_include=lo
makes dissapear the warning. What does it mean? El vie, 14 nov 2025 a las 22:18, Santiago Vila (<[email protected]>) escribió: > > On Fri, Nov 14, 2025 at 09:50:29PM +0100, J.L.G. Pallero wrote: > > Package: openmpi-bin > > Version: 5.0.9-1 > > Severity: important > > X-Debbugs-Cc: [email protected] > > > > Dear Maintainer, > > > > Trying to execute a MPI program with mpirun that works a few days ago, it > > still works, but I obtain some strange messages I can't interpret. The > > messages are: > > > > [geo-w540][[64946,1],2][../../../../../../opal/mca/btl/tcp/btl_tcp_proc.c:266:mca_btl_tcp_proc_create_interface_graph] > > > > [geo-w540][[64946,1],1][../../../../../../opal/mca/btl/tcp/btl_tcp_proc.c:266:mca_btl_tcp_proc_create_interface_graph] > > Unable to find reachable pairing between local and remote interfaces > > Hello. I had a similar problem some time ago, which I forwarded here: > > https://github.com/hypre-space/hypre/issues/1194 > > Can you try this to see if the messages (which afaik are just warnings > and harmless) go away? > > export OMPI_MCA_btl_tcp_if_include=lo > > Thanks. -- ***************************************** José Luis García Pallero [email protected] (o< / / \ V_/_ Use Debian GNU/Linux and enjoy! *****************************************
