- I want to run an application that communicates via Infiniband. It is aborting with an
MPI_Init: ibv_create_cq() failed 4, Can't initialize RDMA deviceerror due to a memlock limit to low.
Even if I increase the limit in /etc/security/limits.d/rdma.conf, the change does not reflect when executing
$ cat /etc/security/limits.d/rdma.conf # configuration for rdma tuning @rdma soft memlock unlimited @rdma hard memlock unlimited #rdma tuning end $ ulimit | grep locked max locked memory (kbytes, -l) 64
- Red Hat Enterprise Linux 7,8
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