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 people

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
Noam, Start with the FAQ, etc., under "Getting Help/Support" in the left-column menu at https://www.open-mpi.org/ Andy *From:* Noam Bernstein *Sent:* Tuesday, October 09, 2018 2:26PM *To:* Open Mpi Users *Cc:* *Subject