On Tue, Jun 18, 2019 at 1:25 PM Simone Puel <spuel@utexas.edu> wrote:

Dear Lawrence,

Thank you for your email. Yes, of course.

Attached there is the "firedrake-install.log" while the output:

(firedrake) simone@simone:~$ python -c "import h5py"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/simone/firedrake/src/h5py/h5py/__init__.py", line 36, in <module>
    from ._conv import register_converters as _register_converters
  File "h5py/h5r.pxd", line 21, in init h5py._conv
  File "h5py/_objects.pxd", line 12, in init h5py.h5r
  File "h5py/_objects.pyx", line 1, in init h5py._objects
ImportError: /home/simone/firedrake/src/h5py/h5py/defs.cpython-36m-x86_64-linux-gnu.so: undefined symbol: H5Pget_dxpl_mpio

Hi Simone,

I think this can happen if you have 2 copies of HDF5 floating around, where one is compiled with MPI turned on and one isn't.