[torqueusers] OpenMPI and version changed to Torque
Peter A Ruprecht
peter.ruprecht at Colorado.EDU
Fri Jun 29 11:07:30 MDT 2012
On 6/29/12 10:54 AM, "Axel Kohlmeyer" <akohlmey at cmm.chem.upenn.edu> wrote:
>On Fri, Jun 29, 2012 at 12:12 PM, David Beer
><dbeer at adaptivecomputing.com> wrote:
>> I am under the impression that the different sites running 4.x (either
>> test or production systems) haven't had to recompile their version of
>> It'd be nice to hear input from different admins on this subject, but my
>> impression is that this isn't necessary, and I know that we didn't
>> the tm interface. I will respond to some of your other questions below.
>you did change the soname of libtorque.so, right?
>this is likely what keeps OpenMP from failing,
>since the corresponding plugin won't load anymore.
>here is the ldd output from an OpenMPI 1.4.x installation
>on a Torque 2.5.5 machine:
>[akohlmey at login2 openmpi]$ ldd mca_ras_tm.so
> linux-vdso.so.1 => (0x00002aaaaaacb000)
> libtorque.so.2 => /opt/torque-2.5.5/lib/libtorque.so.2
> libnsl.so.1 => /lib64/libnsl.so.1 (0x00002aaaab1f1000)
> libutil.so.1 => /lib64/libutil.so.1 (0x00002aaaab40a000)
> libm.so.6 => /lib64/libm.so.6 (0x00002aaaab60d000)
> libpthread.so.0 => /lib64/libpthread.so.0 (0x00002aaaab892000)
> libc.so.6 => /lib64/libc.so.6 (0x00002aaaabaae000)
> /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000)
>if there are no changes in the ABI (of what OpenMPI uses),
>the workaround for keeping OpenMPI happy and working
>may be as simple as doing a symlink from libtorque.so.4
>alternatively, i would try to recompile/relink only the one plugin
>and (mca_ras_tm.so) and replace it in the OpenMPI installation.
>OpenMPI has a very modular structure and none of the application
>binaries reference the plugin dependencies unless OpenMPI was
>compile for static linkage only.
Thanks Axel, great suggestions. The MPI development experts here assured
me that the ldd output looked correct when they were testing, but I'll
Since the t-m interface hasn't changed (thanks for the quick responses Ken
and David) I'll start looking for possible installation-related problems.
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