Re: [OMPI users] no openmpi over IB on new CentOS 7 system

2018-10-10 Thread Noam Bernstein
> On Oct 10, 2018, at 4:51 AM, Dave Love wrote: > > RDMA was just broken in the last-but-one(?) RHEL7 kernel release, in > case that's the problem. (Fixed in 3.10.0-862.14.4.) I strongly suspect that this is it. In the process of getting everything organized to collect the info various

Re: [OMPI users] no openmpi over IB on new CentOS 7 system

2018-10-10 Thread John Hearns via users
On that system please tell us what these return: ibstat ibstatus sminfo ibdiagnet On Wed, 10 Oct 2018 at 12:49, John Hearns wrote: > > Noam, what does ompi_info say - specifically which BTLs are available? > Stupid question though - this is a single system with no connection to a > switch?

Re: [OMPI users] no openmpi over IB on new CentOS 7 system

2018-10-10 Thread John Hearns via users
Noam, what does ompi_info say - specifically which BTLs are available? Stupid question though - this is a single system with no connection to a switch? You probably dont have an OpenSM subnet manager running then - could that be the root cause? On Wed, 10 Oct 2018 at 09:53, Dave Love wrote: > >

Re: [OMPI users] no openmpi over IB on new CentOS 7 system

2018-10-10 Thread Dave Love
RDMA was just broken in the last-but-one(?) RHEL7 kernel release, in case that's the problem. (Fixed in 3.10.0-862.14.4.) ___ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users

Re: [OMPI users] no openmpi over IB on new CentOS 7 system

2018-10-09 Thread Andy Riebs
Users *Cc:* *Subject:* [OMPI users] no openmpi over IB on new CentOS 7 system Hi - I’m trying to get OpenMPI working on a newly configured CentOS 7 system, and I’m not even sure what information would be useful to provide.  I’m using the CentOS built in libibverbs and/or libfabric, and I configu

[OMPI users] no openmpi over IB on new CentOS 7 system

2018-10-09 Thread Noam Bernstein
Hi - I’m trying to get OpenMPI working on a newly configured CentOS 7 system, and I’m not even sure what information would be useful to provide. I’m using the CentOS built in libibverbs and/or libfabric, and I configure openmpi with just —with-verbs —with-ofi —prefix=$DEST also tried