Search found 4 matches

by tony-azevedo
Wed Jun 03, 2020 8:50 am
Forum: UNIX/Linux
Topic: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite
Replies: 7
Views: 1671

Re: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite

Yeah, you're right, I'm going to just proceed without worrying about openmpi anymore. Sorry, what I said wasn't clear, openmpi was not installed "over" the old version, that is still there in /usr/bin (e.g. old open_info is there). I installed openmpi from sources (a tarball from from openmpi.org), ...
by tony-azevedo
Tue Jun 02, 2020 4:03 pm
Forum: UNIX/Linux
Topic: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite
Replies: 7
Views: 1671

Re: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite

The directions for pointing to the correct neuron installation make sense. Thank you for the guidance on the openmpi issue. I'm still a little unclear, was the --DNRN_ENABLE_MPI_DYNAMIC=ON option part of the build I just did? I should have said that I installed openmpi v4.0.3, over an older version ...
by tony-azevedo
Tue Jun 02, 2020 2:41 pm
Forum: UNIX/Linux
Topic: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite
Replies: 7
Views: 1671

Re: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite

Ha! That worked! Output from 'mpiexec -n 2 nrniv -mpi ../src/parallel/test0.hoc': numprocs=2 NEURON -- VERSION 8.0.dev-109-g6d23a393 master (6d23a393) 2020-06-02 Duke, Yale, and the BlueBrain Project -- Copyright 1984-2019 See http://neuron.yale.edu/neuron/credits I am 1 of 2 I am 0 of 2 Thank you! ...
by tony-azevedo
Sat May 30, 2020 10:04 am
Forum: UNIX/Linux
Topic: Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite
Replies: 7
Views: 1671

Open MPI error with h.nrnmpi_init(): mca_base_component_repository_open: unable to open mca_patcher_overwrite

Hi. I have a bedeviliing issue setting up parallelism in neuron on linux (Ubuntu 18.04.4). When I run h.nrnmpi_init(), I get this error: mca_base_component_repository_open: unable to open mca_patcher_overwrite: /usr/lib/x86_64-linux-gnu/openmpi/lib/openmpi/mca_patcher_overwrite.so: undefined symbol:...