There can be lots of reasons that this happens. Can you send all the
information listed here?
https://www.open-mpi.org/community/help/
> On Aug 15, 2018, at 10:55 AM, Mota, Thyago <mo...@moravian.edu> wrote:
>
> Hello.
>
> I have openmpi 2.0.4 installed on a Cent OS 7. When I try to run "mpirun" it
> hangs. Below is the output I get using the debug option:
>
> $ mpirun -d
> [elm:07778] procdir: /tmp/openmpi-sessions-551034197@elm_0/12011/0/0
> [elm:07778] jobdir: /tmp/openmpi-sessions-551034197@elm_0/12011/0
> [elm:07778] top: openmpi-sessions-551034197@elm_0
> [elm:07778] tmp: /tmp
> [elm:07778] sess_dir_cleanup: job session dir does not exist
> [elm:07778] procdir: /tmp/openmpi-sessions-551034197@elm_0/12011/0/0
> [elm:07778] jobdir: /tmp/openmpi-sessions-551034197@elm_0/12011/0
> [elm:07778] top: openmpi-sessions-551034197@elm_0
> [elm:07778] tmp: /tmp
>
> If I use "strace mpirun" I get the following lines at the end.
>
> mprotect(0x7f173c619000, 4096, PROT_READ) = 0
> munmap(0x7f173cae5000, 2114000) = 0
> munmap(0x7f173c8e0000, 2114264) = 0
> munmap(0x7f173c3c3000, 2466952) = 0
> futex(0x7f1741f1aa00, FUTEX_LOCK_PI, 1, NULL) = -1 ESRCH (No such process)
> pause(
>
> Any idea what could be causing the problem?
>
> Thanks.
>
> Thyago
>
>
>
>
>
>
>
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--
Jeff Squyres
jsquy...@cisco.com
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