File: help-oshmem-sshmem-sysv.txt

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openmpi 5.0.8-3
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# -*- text -*-
#
# Copyright (c) 2014      Mellanox Technologies, Inc.
#                         All rights reserved.
# Copyright (c) 2014 Cisco Systems, Inc.  All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# This is the US/English help file for Open SHMEM MCA error messages.
#
[sysv:create segment failure]

You can try the following:

1. Use a different sshmem plugin (e.g., "mmap") with "--mca sshmem mmap".
2. Decrease the symmetric heap area size with "-x
   SHMEM_SYMMETRIC_HEAP_SIZE=<value>".
3. Increase your system's allowable SYSV shared memory segment size
   (e.g., via the SHMMAX and/or SMMAX kernel parameters).
4. Set "--mca sshmem_base_start_address 0" for
   automatic selection by OS of virtual start address for sshmem.