Michael, if a solution with two packages is acceptable, then an other and simpler option is to configure openmpi for PSM with --without-psm2, and openmpi for PSM2 with --without-psm this is safe for --disable-dlopen or --enable-static, and you do not need to tweak the conf files
Cheers, Gilles On Thursday, September 3, 2015, George Bosilca <bosi...@icl.utk.edu> wrote: > Hi Michael, > > I might have missed some context when proposing this solution. As Gilles > suggested if you build Open MPI without support for dlopen (configure > option --disable-dlopen) this simple solution will not work because the > symbol conflict issue is generated deep inside the constructors of the 2 > libraries. > > Yes, the "mtl = ^psm" (or ^psm2 depending on which one you want to > disable) should go in the openmpi-mca-params.conf that gets installed in > the $(sysconfigdir). > > Thanks, > George. > > > On Thu, Sep 3, 2015 at 5:14 AM, Michal Schmidt <mschm...@redhat.com > <javascript:_e(%7B%7D,'cvml','mschm...@redhat.com');>> wrote: > >> [I apologize for not threading the email properly. I was not subscribed >> before and found the conversation in the web archive.] >> >> Hello, >> >> I am the one who discovered the PSM vs. PSM2 library conflict and >> proposed the temporary workaround of having two builds of the openmpi >> package. >> >> George Bosilca wrote: >> > 3. Except if the distro builds OMPI statically, I see no reason to >> > have 2 build of OMPI due to conflicting symbols between two shared >> > libraries that OMPI MCA load willingly. Why a simple "mtl = ^psm" in >> > the OMPI system wide configuration file is not enough to solve the >> > issue? >> >> Thank you for this suggestion. It would go into openmpi-mca-params.conf, >> right? I will try it. >> >> Regards, >> Michal >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org <javascript:_e(%7B%7D,'cvml','de...@open-mpi.org');> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel >> Link to this post: >> http://www.open-mpi.org/community/lists/devel/2015/09/17927.php >> > >
