Jeff, My computer doesn't have such a service. and I think that's the correct name for Fedora Also, what bugs me is that it used to work with no warnings before restarting my computer. I will try to recompile openMPI myself (as opposed to installing it using yum) and see what happens
On Wed, Feb 15, 2012 at 6:32 PM, Jeff Squyres <jsquy...@cisco.com> wrote: > It is possible to have the OpenFabrics drivers loaded in your kernel, even > if you have no OpenFabrics-based devices in your hardware. > > You probably just want to unload those drivers, and then Open MPI should > not try to use OpenFabrics. Sometimes distros have init scripts that load > the OpenFabrics drivers automatically -- Gus suggested "service openibd > status" to see if your system has a service named "openibd" (although it > might be a different name, depending on your distro). If you find such a > service, you might want to disable it. > > > On Feb 15, 2012, at 1:27 AM, Tohiko Looka wrote: > > > Mm... This is really strange > > I don't have that service and there is no ib* output in 'ifconfig -a' or > 'Infinband' in 'lspci' > > Which makes me believe that I don't have such a network. I also checked > on an identical computer on the same network with the same results. > > > > What's strange is that these messages didn't use to show up and they > don't show up on that identical computer; only on mine. Even though both > computers have the same hardware, openMPI version and on the same network. > > > > I guess I can safely ignore these warnings and run on Ethernet, but it > would be nice to know what happened there, in case anybody has an idea. > > > > Thank you, > > > > On Wed, Feb 15, 2012 at 12:52 AM, Gustavo Correa <g...@ldeo.columbia.edu> > wrote: > > Hi Tohiko > > > > OpenFabrics network a.k.a. Infiniband a.k.a. IB. > > To check if the compute nodes have IB interfaces, try: > > > > lspci [and search the output for Infinband] > > > > To see if the IB interface is configured try: > > > > ifconfig -a [and search the output for ib0, ib1, or similar] > > > > To check if the OFED module is up try: > > > > 'service openibd status' > > > > > > As an alternative, you could also try to run your program over Ethernet, > avoiding Infinband, > > in case you don't have IB or if somehow it is broken. > > It is slower than Infiniband, though. > > > > Try something like this: > > > > mpiexec -mca btl tcp,sm,self -np 4 ./my_mpi_program > > > > I hope this helps, > > Gus Correa > > > > On Feb 14, 2012, at 4:02 PM, Tohiko Looka wrote: > > > > > Sorry for the noob question, but how do I check my network type and if > OFED service is running correctly or not? And how do I run it > > > > > > Thank you, > > > > > > On Tue, Feb 14, 2012 at 2:14 PM, Jeff Squyres <jsquy...@cisco.com> > wrote: > > > Do you have an OpenFabrics-based network? (e.g., InfiniBand or iWarp) > > > > > > If so, this error message usually means that OFED is either installed > incorrectly, or is not running properly (e.g., its services didn't get > started properly upon boot). > > > > > > If you don't have an OpenFabrics-based network, then it usually means > that you have OpenFabrics services running when you really shouldn't > (because you don't have any OpenFabrics-based devices). > > > > > > > > > On Feb 14, 2012, at 4:48 AM, Tohiko Looka wrote: > > > > > > > Greetings, > > > > > > > > Until today I was running my openmpi applications with no > errors/warnings > > > > Today I restarted my computer (possibly after an automatic openmpi > update) and got these warnings when > > > > running my program > > > > [tohiko@kw12614 1d]$ mpirun -x LD_LIBRARY_PATH -hostfile hosts -np > 10 hello > > > > librdmacm: couldn't read ABI version. > > > > librdmacm: assuming: 4 > > > > CMA: unable to get RDMA device list > > > > > -------------------------------------------------------------------------- > > > > [[21652,1],0]: A high-performance Open MPI point-to-point messaging > module > > > > was unable to find any relevant network interfaces: > > > > > > > > Module: OpenFabrics (openib) > > > > Host: kw12614 > > > > > > > > Another transport will be used instead, although this may result in > > > > lower performance. > > > > > -------------------------------------------------------------------------- > > > > [kw12614:03195] 10 more processes have sent help message > help-mpi-btl-base.txt / btl:no-nics > > > > [kw12614:03195] Set MCA parameter "orte_base_help_aggregate" to 0 to > see all help / error messages > > > > > > > > > > > > Is this normal? And how come it happened now? > > > > -- Tohiko > > > > _______________________________________________ > > > > users mailing list > > > > us...@open-mpi.org > > > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > > > > > > -- > > > Jeff Squyres > > > jsquy...@cisco.com > > > For corporate legal information go to: > > > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > > > > > > > _______________________________________________ > > > users mailing list > > > us...@open-mpi.org > > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > > > _______________________________________________ > > > users mailing list > > > us...@open-mpi.org > > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
