Hello

We are trying to run maker(http://www.yandell-lab.org/software/maker.html) in 
combination with OpenMPI

But when we are trying to submit a job with the maker and openmpi,
We see the following error in the log file:
--Next Contig--
#---------------------------------------------------------------------
Another instance of maker is processing this contig!!
SeqID: chrA10
Length: 17398227
#---------------------------------------------------------------------

According to
http://gmod.827538.n3.nabble.com/Does-maker-support-muti-processing-for-a-single-long-fasta-sequence-using-openMPI-td4061342.html

We have to run the following command  mpiexec -mca btl ^openib -n 40 maker -help
"If you get a single help message then everything is fine.  If you get 40 help 
messages, then MPI is not communicating correctly."

We are using the following command to demonstrate what is going wrong:
mpiexec -mca btl ^openib -N 5 gcc --version
gcc (GCC) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

gcc (GCC) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

gcc (GCC) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

gcc (GCC) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

gcc (GCC) 10.2.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.



So we are getting the message 5 times, which means OpenMPI is not correctly 
installed on our cluster?
We are using EasyBuild to build/install our OpenMPI module. ( with the default 
OpenMPI easyblock module)

Best regards / met vriendelijke groeten
Thomas Eylenbosch
DevOps Engineer (OnSite), Gluo N.V.


Currently available at BASF Belgium Coordination Center CommV
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