On Jan 3, 2013, at 7:07 AM, Ake Sandgren <ake.sandg...@hpc2n.umu.se> wrote:
> On Thu, 2013-01-03 at 07:00 -0800, Ralph Castain wrote: >> On Jan 3, 2013, at 6:52 AM, Ake Sandgren <ake.sandg...@hpc2n.umu.se> wrote: >> >>> On Thu, 2013-01-03 at 06:18 -0800, Ralph Castain wrote: >>>> On Jan 3, 2013, at 3:01 AM, Ake Sandgren <ake.sandg...@hpc2n.umu.se> wrote: >>>> >>>>> On Thu, 2013-01-03 at 11:54 +0100, Ake Sandgren wrote: >>>>>> On Thu, 2013-01-03 at 11:15 +0100, Ake Sandgren wrote: >>>>>>> Hi! >>>>>>> >>>>>>> The grpcomm component hier seems to have vanished between 1.6.1 and >>>>>>> 1.6.3. >>>>>>> Why? >>>>>>> It seems that the version of slurm we are using (not the latest at the >>>>>>> moment) is using it for startup. >>>> >>>> It should be using PMI if you are directly launching processes via srun, >>>> and should not be using hier any more. >>> >>> Shouldn't the grpcomm pmi component be turned on by default then, if it >>> is needed? >> >> It should be > > Well, it isn't :-) > configure says: > --- MCA component grpcomm:pmi (m4 configuration macro) > checking for MCA component grpcomm:pmi compile mode... dso > checking if user requested PMI support... no > checking if MCA component grpcomm:pmi can compile... no Ah - that is the problem. You need to configure --with-pmi=<wherever-slurms-pmi.h-is-located> > >>> So what is the real problem here? >> >> Do you have PMI installed and running on your system? I think that is the >> source of the trouble - if PMI isn't running, then this will fail. > > Not sure what you mean here. slurm's pmi module is available (and Intel > MPI can use it if i point it to it). Yeah, we need to be pointed to it just like Intel. > > Anyway, I think that if there is code that tries to use the hier > component it shouldn't have been removed. Agreed - it looks like something picked up an unintended change. Just trying to help you work with it as I don't know when a 1.6.4 will occur. > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
