Hi Salim, Thank you. Yeah, I noticed warnings would vanish by turning on btl_openib_allow_ib -- but since this is quite annoying I am wondering if there is any other way to suppress this by configuration.
Best, Udayanga On Mon, Jan 7, 2019 at 7:33 AM Salim Jamal-Eddine < salim.jamal-edd...@lau.edu.lb> wrote: > Hi Udayanga, > > > > I had the same issue, the default behavior of OpenMpi4.0.0 is to use UCX.. > add “–mca btl_openib_allow_ib 1” and everything should be fine. > > > > Regards, > > > > > > Salim Jamal-Eddine > > Lead Engineering Labs Supervisor > Industrial & Mechanical Engineering Department, Byblos Campus > School of Engineering > <http://soe.lau.edu.lb/?utm_source=lau_email&utm_medium=email&utm_campaign=EmailSig2018> > > Office: +961 1 786456 ext. 2899 > > f > <https://www.facebook.com/pages/LAU-School-of-Engineering/271900902840495> > > SOE > > > > [image: Lebanese American University] > <http://www.lau.edu.lb/?utm_source=lau_email&utm_medium=email&utm_campaign=EmailSig2018> > > Beirut > <http://www.lau.edu.lb/about/contact/?utm_source=lau_email&utm_medium=email&utm_campaign=EmailSig2018> > | Byblos > <http://www.lau.edu.lb/about/contact/?utm_source=lau_email&utm_medium=email&utm_campaign=EmailSig2018> > | New York > <http://www.lau.edu.lb/locations/nyc/?utm_source=lau_email&utm_medium=email&utm_campaign=EmailSig2018> > > f <https://www.facebook.com/LebaneseAmericanUniversity> > > in <https://www.linkedin.com/edu/school?id=14810> > > t <https://twitter.com/lebamuniv> > > ig <https://instagram.com/lebamericanuni> > ------------------------------ > > > > *From:* users <users-boun...@lists.open-mpi.org> *On Behalf Of *Udayanga > Wickramasinghe > *Sent:* Monday, January 07, 2019 1:03 PM > *To:* Open MPI Users <us...@open-mpi.org> > *Cc:* Open MPI Users <users@lists.open-mpi.org> > *Subject:* [OMPI users] A strange warning on Cray XC with Opemmpi-4.00 > > > > Hi, > > I upgraded my open-mpi version to 4.00 on a Cray Aries cluster (GNI/uGNI). > Every time I run mpi, I get the following warning. Is there any way to > suppress this message? I am not seeing this in 3.1.3 version of open-mpi. > Any idea why openfabrics device is getting initialized when cray GNI > transport is actively used? (i.e. looks like it is related to UCX, but I > assume this could potentially be a configuration issue even though GNI > transport/btl seems to get detected correctly and works by default without > any explicit --mca parameters) > > > > > > By default, for Open MPI 4.0 and later, infiniband ports on a device > > are not used by default. The intent is to use UCX for these devices. > > You can override this policy by setting the btl_openib_allow_ib MCA > parameter > > to true. > > > > Local host: nid00301 > > Local adapter: ibgni > > Local port: 1 > > > > -------------------------------------------------------------------------- > > -------------------------------------------------------------------------- > > WARNING: There was an error initializing an OpenFabrics device. > > > > Local host: nid00300 > > Local device: ibgni > > > > ... [program output] > > ... [program output] > > ... > > > > [login1:02032] 3 more processes have sent help message > help-mpi-btl-openib.txt / ib port not selected > > [login1:02032] Set MCA parameter "orte_base_help_aggregate" to 0 to see > all help / error messages > > [login1:02032] 3 more processes have sent help message > help-mpi-btl-openib.txt / error in device init > > > > Thanks, > Udayanga > > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users
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