shared memory initialization failure

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shared memory initialization failure

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Hi all,

Running our MPI application on a newly setup RHEL 7.3 system using SGE, we obtain the following error:

Fatal error in MPI_Init: Other MPI error, error stack:
MPIR_Init_thread(805): fail failed
MPID_Init(1817)......: fail failed
MPIR_Comm_commit(711): fail failed
(unknown)(): Other MPI error

With I_MPI_DEBUG=1000 the following error is reported:

[0] I_MPI_Init_shm_colls_space(): Cannot create shm object: /shm-col-space-69142-2-55D0EBDD4B46E errno=Permission denied
[0] I_MPI_Init_shm_colls_space(): Something goes wrong in shared memory initialization (Permission denied)

Usually Intel MPI creates shm objects in /dev/shm. Does anybody know why the library tries to create them in /?

Cheers,
Pieter

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