I see you are using “preconnect_all” - that is the source of the trouble. I 
don’t believe we have tested that option in years and the code is almost 
certainly dead. I’d suggest removing that option and things should work.


> On Sep 15, 2018, at 1:46 PM, Andrew Benson <abenso...@gmail.com> wrote:
> 
> I'm running into problems trying to spawn MPI processes across multiple nodes 
> on a cluster using recent versions of OpenMPI. Specifically, using the 
> attached 
> Fortan code, compiled using OpenMPI 3.1.2 with:
> 
> mpif90 test.F90 -o test.exe
> 
> and run via a PBS scheduler using the attached test1.pbs, it fails as can be 
> seen in the attached testFAIL.err file. 
> 
> If I do the same but using OpenMPI v1.10.3 then it works successfully, giving 
> me the output in the attached testSUCCESS.err file.
> 
> From testing a few different versions of OpenMPI it seems that the behavior 
> changed between v1.10.7 and v2.0.4. 
> 
> Is there some change in options needed to make this work with newer OpenMPIs?
> 
> Output from omp_info --all is attached. config.log can be found here:
> 
> http://users.obs.carnegiescience.edu/abenson/config.log.bz2
> 
> Thanks for any help you can offer!
> 
> -Andrew<ompi_info.log.bz2><test.F90><test1.pbs><testFAIL.err.bz2><testSUCCESS.err.bz2>_______________________________________________
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