[mpich-discuss] Error when using Einstein Toolkit

[Swarnim Shashank]

Hello,

I am an undergraduate student. I have never worked with MPI and I have to
use the Einstein Toolkit code which uses MPI for my project. I am running
it on my personal laptop, it has two cores and four threads.

I get this error in my simulation:


















*Fatal error in PMPI_Comm_rank: Invalid communicator, error
stack:PMPI_Comm_rank(110): MPI_Comm_rank(comm=0x57ed58e0,
rank=0x7ffe6cb18148) failedPMPI_Comm_rank(68).: Invalid
communicator[unset]: write_line error; fd=-1 buf=:cmd=abort
exitcode=609541:system msg for write_line failure : Bad file
descriptor-------------------------------------------------------Primary
job  terminated normally, but 1 process returneda 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
causingthe job to be terminated. The first process to do so was:  Process
name: [[32146,1],0]  Exit code:
5--------------------------------------------------------------------------*


Please let me know what the problem is and how to solve it.

Thank You
Regards
*Swarnim Shashank*
Fourth Year Integrated MSc. Student
UM-DAE-Centre for Excellence in Basic Sciences
Mumbai
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