which version of ompi are you running ? this error can occur on systems with no NUMA object (e.g. single socket with hwloc < 2) as a workaround, you can mpirun --map-by socket ...
iirc, this has been fixed Cheers, Gilles On Thursday, March 9, 2017, Angel de Vicente <ang...@iac.es> wrote: > Hi, > > I'm trying to get OpenMPI running in a new machine, and I came accross > an error message that I hadn't seen before. > > ,---- > | can@login1:> mpirun -np 1 ./code config.txt > | ------------------------------------------------------------ > -------------- > | No objects of the specified type were found on at least one node: > | > | Type: Package > | Node: login1 > | > | The map cannot be done as specified. > | ------------------------------------------------------------ > -------------- > `---- > > Some details: in this machine we have gcc_6.0.3, and with it I installed > OpenMPI (v. 2.0.1). The compilation of OpenMPI went without (obvious) > errors, and I managed to compile my code without problems (if instead > of "mpirun -np 1 ./code" I just run the code directly there are no > issues). > > But if I try to use mpirun in the login node of the cluster I get this > message. If I submit the job to the scheduler (the cluster uses slurm) I > get the same messsage, but the Node information is obviously different, > giving the name of one of the compute nodes. > > Any pointers as to what can be going on? Many thanks, > -- > Ángel de Vicente > http://www.iac.es/galeria/angelv/ > ------------------------------------------------------------ > --------------------------------- > ADVERTENCIA: Sobre la privacidad y cumplimiento de la Ley de Protección de > Datos, acceda a http://www.iac.es/disclaimer.php > WARNING: For more information on privacy and fulfilment of the Law > concerning the Protection of Data, consult http://www.iac.es/disclaimer. > php?lang=en > > _______________________________________________ > users mailing list > users@lists.open-mpi.org <javascript:;> > https://rfd.newmexicoconsortium.org/mailman/listinfo/users
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