loading system configuration
Have found 8 GPU devices on rank 0. Will use device 0.
Using default values for parameters not given
INFO: Using directory: "display"
INFO: Using existing c-file: ./ESS_mcpl2hist.c
INFO: Using existing binary: ./ESS_mcpl2hist.out
INFO: ===
--------------------------------------------------------------------------
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: [[50144,1],0]
Exit code:    1
--------------------------------------------------------------------------
INFO: call to mpirun failed with Command 'mpirun -np 1 ./ESS_mcpl2hist.out --trace=1 --ncount=0.0 --dir=display --format=McCode --bufsiz=10000000 --no-output-files --yes' returned non-zero exit status 1.
Traceback (most recent call last):
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mcrun.py", line 964, in <module>
main()
~~~~^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mcrun.py", line 936, in main
mcstas.run()  # in mccode.py
~~~~~~~~~~^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 431, in run
return self.runMPI(args, pipe, override_mpi)
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 486, in runMPI
return Process(binpath).run(args, pipe=pipe)
~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 78, in run
raise err
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcrun/mccode.py", line 74, in run
proc = run(command, shell=True, check=True, text=True, capture_output=pipe)
File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/lib/python3.14/subprocess.py", line 577, in run
raise CalledProcessError(retcode, process.args,
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command 'mpirun -np 1 ./ESS_mcpl2hist.out --trace=1 --ncount=0.0 --dir=display --format=McCode --bufsiz=10000000 --no-output-files --yes' returned non-zero exit status 1.
Have found 8 GPU devices on rank 0. Will use device 0.
Using default values for parameters not given
MCPLfile is N1.mcpl.gz
Component                         Origin AT (0,0,0)
Component                            vin AT (0,0,0)
Component                     Histograms AT (0,0,0.01)
[ESS_mcpl2hist] Initialize
MCPL ERROR: Unable to open file!

Traceback (most recent call last):
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcdisplay/webgl-classic/mcdisplay.py", line 203, in <module>
    main(**args)
    ~~~~^^^^^^^^
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mcdisplay/webgl-classic/mcdisplay.py", line 170, in main
    instrument = reader.read_instrument()
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/mcdisplayutils.py", line 49, in read_instrument
    self.pipeman.join()
    ~~~~~~~~~~~~~~~~~^^
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/pipetools.py", line 345, in join
    raise self.reader.exc_obj
  File "/u/data/pkwi/WORK/micromamba/envs/mcstas-3.x/share/mcstas/tools/Python/mccodelib/pipetools.py", line 284, in run
    raise Exception("TraceReader - mcrun process exited with code: %s" % str(poll))
Exception: TraceReader - mcrun process exited with code: 1