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Segmentation fault if no task for remote
If all tasks run locally, which can be tested by returning true in Fibonacci::run_locally(), the remote node has a segmentation fault. Apparently, everything from this library is cleaned-up, but there's some problem while destroying somestuff on boost::mpi.
Traceback:
[conrado-pc:31511] *** Process received signal ***
[conrado-pc:31511] Signal: Segmentation fault (11)
[conrado-pc:31511] Signal code: (128)
[conrado-pc:31511] Failing at address: (nil)
[conrado-pc:31511] [ 0] /lib64/libc.so.6[0x3465038cd0]
[conrado-pc:31511] [ 1] /usr/lib/libmpi.so.1(PMPI_Type_free+0x35)[0x7f2ad72e8dd5]
[conrado-pc:31511] [ 2] /usr/lib/libboost_mpi.so.1.55.0(_ZN5boost3mpi6detail16mpi_datatype_map5clearEv+0x49)[0x7f2ad79eb609]
[conrado-pc:31511] [ 3] /usr/lib/libboost_mpi.so.1.55.0(_ZN5boost3mpi11environmentD1Ev+0x3d)[0x7f2ad79e955d]
[conrado-pc:31511] [ 4] /lib64/libc.so.6[0x346503b919]
[conrado-pc:31511] [ 5] /lib64/libc.so.6[0x346503b975]
[conrado-pc:31511] [ 6] /lib64/libc.so.6(__libc_start_main+0xfc)[0x3465024ddc]
[conrado-pc:31511] [ 7] ./src/main[0x4e53a5]
[conrado-pc:31511] *** End of error message ***
--------------------------------------------------------------------------
mpirun noticed that process rank 1 with PID 31511 on node conrado-pc exited on signal 11 (Segmentation fault).
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