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What the system is saying is that (a) you don't have transparent ssh
authority on one or more of your nodes, and/or (b) the system was unable to
locate the Open MPI code libraries on the remote node. For the first
problem, please see the FAQ at:
Once you have that fixed, then you should check the remote nodes to ensure
that the Open MPI code libraries are available - you may need to provide a
prefix directory to mpirun to tell us where they are. Please see the FAQ at:
For some advice in that area.
Hope that helps
On 12/1/06 8:17 AM, "Jens Klostermann"
> I 've got the same problem as described in:
> From: Chengwen Chen (chenchengwen_at_[hidden])
> Date: 2006-07-04 03:53:26
> The problem seems to occur randomly! It occurs more often if I use a
> larger number of cpu, but always never if I use a small number of cpus.
> So far my cure to the problem is to kill and restart my application
> (mpirun ...) as often untill the error won't occur and mpirun will run.
> So is the problem resolved. Can anybody give me an hint?
> I am using a amd64 linux (suse10) cluster with infiniband conection and
> I attach the ompi_info --param all all output, hope it helps.
> Regards Jens
> users mailing list