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Subject: [OMPI users] Removing Portals BTLs
From: Paul Monday (paul.monday_at_[hidden])
Date: 2011-04-21 13:34:30


I am trying to get rid of the following error message when I use mpirun.

mca: base: component_find: "mca_ess_portals_utcp" does not appear to be a valid
ess MCA dynamic component (ignored):
/usr/local/lib/openmpi/ undefined symbol:

I am trying to remove the portals components's why:

When I originally built openmpi, I used a simple configuration string:
./configure --with-threads=posix --enable-mpi-threads --with-openib=/usr
--with-openib-libdir=/usr/lib64 --disable-mpi-cxx

This gives me an error while the make is running, most likely a problem with my
Portals installation. So, I just want to skip Portals BTLs.
/usr/bin/ld: /usr/local/lib/libp3api.a(libp3api_a-acl.o): relocation
R_X86_64_32S against `p3_api_process' can not be used when making a shared
object; recompile with -fPIC
/usr/local/lib/libp3api.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make[2]: *** [] Error 1
make[2]: Leaving directory `/mnt/shared/apps/openmpi-1.4.3/ompi'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/mnt/shared/apps/openmpi-1.4.3/ompi'
make: *** [all-recursive] Error 1

So I changed the configuration to:
./configure --with-threads=posix --enable-mpi-threads --with-openib=/usr
--with-openib-libdir=/usr/lib64 --disable-mpi-cxx

This allowed OpenMPI to build, but then I receive the runtime error above. Is
there a way to stop the Portals pieces from even trying to build and run?

Paul Monday