Dear Alin,<div>thanks a lot for the reply.</div><div>With those mpi we are running smoothly Quantum Espresso and other codes.</div><div>So it seems strange to find this error.</div><div>Best regards,</div><div>Mauro Sgroi.</div><div class="gmail_quote"><div dir="auto" class="gmail_attr">Il giorno lunedì 15 febbraio 2021 alle 18:43:31 UTC+1 al...@gmail.com ha scritto:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi Mauro,
<br>
<br>seen this before with other codes... the issue invariable ended up due
<br>to openmpi not playing nicely with the queuing system.
<br>
<br>if you want to see if a simple MPI hello world using the above mpi
<br>actually works....
<br>
<br>Regards,
<br>Alin
<br>Without Questions there are no Answers!
<br>______________________________________________________________________
<br>Dr. Alin Marin ELENA
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<br>
<br>On Mon, 15 Feb 2021 at 17:25, Mauro Sgroi
<br><<a href data-email-masked rel="nofollow">mauro...@gmail.com</a>> wrote:
<br>>
<br>> Dear Developers,
<br>> I'm writing to ask you help for setting CP2K on a HPC server.
<br>> Our IT compiled the code using gcc-8.3.0, openmpi 4.1.0 and the toolchain:
<br>>
<br>> cmake-3.18.5 cosma-2.2.0 elpa-2020.05.001 fftw-3.3.8 gsl-2.6 hdf5-1.12.0 libint-v2.6.0-cp2k-lmax-5 libvdwxc-0.4.0 libvori-201229 libxc-4.3.4 libxsmm-1.16.1 openblas-0.3.10 scalapack-2.1.0 sirius-7.0.0 SpFFT-0.9.13 spglib-1.16.0
<br>>
<br>> The obtained code works fine on a single node of our server. When we launch it with the command:
<br>> mpiexec --prefix ${MPI_INST_DIR} -x PATH -x LD_LIBRARY_PATH -n $CORES -machinefile machine_file ${INST_DIR}/cp2k-8.1/exe/local/cp2k.${SOLVER} -inp ${INPUT} 2>&1
<br>>
<br>> on more than one node we get the error:
<br>>
<br>> [btl_openib_component.c:1699:init_one_device] error obtaining device attributes for mlx5_0 errno says Protocol not supported
<br>>
<br>> Could you please give us some advice?
<br>>
<br>> Thanks a lot in advance and best regards,
<br>>
<br>> Mauro Sgroi.
<br>> Centro Ricerche FIAT.
<br>> Italy.
<br>>
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