I honestly have no ideas…best I can see, it looks like hwloc feels that it cannot perform that operation and returns an error.
> On Oct 30, 2015, at 1:31 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com> > wrote: > > He's building and running on a single server (leo). From the configure > output, all the numa libs and headers are available on this leo server. > > >> On Oct 30, 2015, at 11:09 AM, Ralph Castain <r...@open-mpi.org> wrote: >> >> I think Dave has probably hit the problem - that node may well not have a >> “numa” object. You also might check that node “leo” has libnuma on it >> >> >>> On Oct 30, 2015, at 6:48 AM, Dave Love <d.l...@liverpool.ac.uk> wrote: >>> >>> Fabian Wein <fabian.w...@fau.de> writes: >>> >>>> Is this a valid test? >>>> >>>> >>>> /opt/openmpi-1.10.0-gcc/bin/mpiexec -n 4 hostname >>>> leo >>>> leo >>>> leo >>>> leo >>> >>> So, unless you turned off the default binding -- to socket? check the >>> mpirun man page -- it worked, but the "numa" level failed. I don't know >>> if that level has to exist, and there have been bugs in that area >>> before. Running lstopo might be useful, and checking that you're >>> picking up the right hwloc dynamic library. >>> >>> What happens if you try to bind to sockets, assuming you don't want to >>> bind to cores? [I don't understand why the default isn't to cores when >>> you have only one process per core.] >>> >>>> /opt/openmpi-1.10.0-gcc/bin/mpiexec -bind-to numa -n 4 hostname >>>> -------------------------------------------------------------------------- >>>> A request was made to bind a process, but at least one node does NOT >>>> support binding processes to cpus. >>>> >>>> Node: leo >>>> This usually is due to not having libnumactl and libnumactl-devel >>>> installed on the node. >>> >>> By the way, you can check the binding done, independently to what >>> openmpi says, with >>> mpirun ... hwloc-ps >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>> Link to this post: >>> http://www.open-mpi.org/community/lists/users/2015/10/27957.php >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/10/27958.php > > > -- > 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 > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/10/27961.php
