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The issue is due to a bug in the OpenMPI MPI datatype code. This bug was fixed in current versions of OpenMPI 2.1.x, 3.0.x, 3.1.x, and 4.0.x.

HDF5-1.10.5 is the earliest version that has been tested and is supported with OpenMPI. Please try this version if Following are the errors that occur if the tests fail with this issue: