C ++ open MPI program not working without internet connection

The problem with the MPI program works when there is an Internet connection on my PC, but it does not work without it.

I got this error:

It looks like orte_init failed for some reason; your parallel process is likely to break. There are many reasons that a parallel process may fail during orte_init ; some of which are due to configuration or environment. This failure seems to be an internal failure; there is additional information (which may be relevant to the developer of open MPI):

orte_rml_base_select failed -> Return value Error (-1) instead of ORTE_SUCCESS

What is the cause of this problem?

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Source: https://habr.com/ru/post/978927/


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