[slurm-users] PMIX and slurm failure (and fix).

Artem Polyakov artpol84 at gmail.com
Thu May 17 23:48:38 MDT 2018

Thank you Bill.

Can you provide anonymized Slurm.conf (I mainly interested in auth
setting), srun launch error and config.log where you saw libssl mention.

Being PMIx plugin developer I’m not aware about any explicit dependencies
from libssl in Slurm. Only thing I can think of would be authentication
service that can be either munge or libssl. But this is a generic service
and one would notice it elsewhere if not with PMIx.

It might be a dependency of PMIx library, though I’d guess that it should
be able to work without it.

чт, 17 мая 2018 г. в 4:28, Bill Broadley <bill at cse.ucdavis.edu>:

> Greetings all,
> Just wanted to mention I build building the newest slurm on Ubuntu 18.04.
> Gcc-7.3 is the default compiler, which means that the various dependencies
> (munge, libevent, hwloc, netloc, pmix, etc) are already available and
> built with
> gcc-7.3.
> I carefully built slurm-17.11.6 + openmpi-3.1 to use the same pmix-2.1.1.
> But
> at runtime get a pmix failure, and a warning to use --mpi=list to see what
> was
> supported... which included pmix_v2.
> I very carefully reviewed the final report of slurm's ./configure, nothing
> there.  I grepped the config.log for any mention of pmix, which looked
> good.
> Similar for building openmpi.
> Turns out in the 1000s of line of output there was a line that mentions
> openssl
> support was missing (I hadn't installed libssl-dev).  Turns out that
> srun+pmix
> depends on openssl and gives a failure message that looks just like pmix
> is failing.
> So definitely grep your config.log for WARNING and keep an eye out for
> anything
> important missing.  My final fix to get rid of most of the warnings was to
> install the following packages (in puppet, but it's easy to read):
>   package { [libmysqld-dev,man2html,"libgtk2.0-dev","librrd-dev",
>   "libudev-dev","libjansson-dev","libssl-dev","libpmix-dev"]: ensure =>
> latest }
> Was hoping that this might prevent someone else from having the same
> frustration.
> --
----- Best regards, Artem Polyakov (Mobile mail)
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