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mpirun permission error

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Old   June 15, 2021, 05:24
Default mpirun permission error
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Hi,
I am reasonably new to openfoam but I have recently been putting together a new pc to run openfoam in WSL using ubuntu in windows 10.

I have set up all of the conditions as I have before on my other computers but when running the command line:

mpirun -np 20 interFoam -parallel > log &


I get a major error:

[[13102,1],0][btl_tcp_component.c:945:mca_btl_tcp_component_crea te_listen] bind() failed: Permission denied (13)


This error is displayed for each processor core and then ends with the following:

Primary job terminated normally, but 1 process returned
a non-zero exit code. Per user-direction, the job has been aborted.
--------------------------------------------------------------------------
--------------------------------------------------------------------------
mpirun detected that one or more processes exited with non-zero status, thus causing
the job to be terminated. The first process to do so was:

Process name: [[13102,1],11]
Exit code: 145


I have looked around in various forums for help but I can either not understand what they are talking about or the posts are not relevant to my openfoam situation. Note that meshing etc works perfectly fine as far as I can tell and I'm trying to run in parallel on a single machine.

Any help would be much appreciated.



***UPDATE***

Problem was solved by a friend, I simply had to run ubuntu as administrator and use the following command:

$ echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope

Solved that problem right away, apparently it is something to do with WSL and the firewall.

Last edited by Ezzi; June 15, 2021 at 10:49. Reason: Problem solved
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