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From: Michael Marti (m.marti_at_[hidden])
Date: 2006-12-27 10:29:09

Dear All

I am trying to get openmpi-1.1.2 to work on AIX 5.3 / power5.

:: Compilation seems to have worked with the following sequence:
setenv OBJECT_MODE 64

setenv CC xlc
setenv CXX xlC
setenv F77 xlf
setenv FC xlf90

setenv CFLAGS "-qthreaded -O3 -qmaxmem=-1 -qarch=pwr5x -qtune=pwr5 -q64"
setenv CXXFLAGS "-qthreaded -O3 -qmaxmem=-1 -qarch=pwr5x -qtune=pwr5 -
setenv FFLAGS "-qthreaded -O3 -qmaxmem=-1 -qarch=pwr5x -qtune=pwr5 -q64"
setenv FCFLAGS "-qthreaded -O3 -qmaxmem=-1 -qarch=pwr5x -qtune=pwr5 -
setenv LDFLAGS "-Wl,-brtl"

./configure --prefix=/ist/openmpi-1.1.2 \
   --disable-mpi-cxx \
   --disable-mpi-cxx-seek \
   --enable-mpi-threads \
   --enable-progress-threads \
   --enable-static \
   --disable-shared \

:: After the compilation I ran make check and all 11 tests passed

:: Now I'm trying to run the following command just for test:
# mpirun -hostfile /gpfs/MICHAEL/MPI_hostfiles/mpinodes_b41-b44_1.asc
-np 2 /usr/bin/hostname
- The file /gpfs/MICHAEL/MPI_hostfiles/mpinodes_b41-b44_1.asc
contains 4 hosts:
     r1blade041 slots=1
     r1blade042 slots=1
     r1blade043 slots=1
     r1blade044 slots=1
- The mpirun command eventually hangs with the following message:
     [r1blade041:418014] poll failed with errno=25
     [r1blade041:418014] opal_event_loop: ompi_evesel->dispatch()
- In this state mpirun cannot be killed by hitting <ctrl-c> only a
kill -9 will do the trick.
- While the mpirun still hangs I can see that the "orted" has been
launched on both requested hosts.

:: I turned on all debug options in openmpi-mca-params.conf. The
output for the same call of mpirun is in the file mpirun-debug.txt.gz.

:: As sugested in the mailinglis rules I include config.log
(config.log.gz) and the output of ompi_info (ompi_info.txt.gz). 

:: As I am completely new to openmpi (I have some experience with
lam) I am lost at this stage. I would really appreciate if someone
could give me some hints as to what is going wrong and where I could
get more info.

Best regards,

Michael Marti.

Michael Marti
Centro de Fisica dos Plasmas
Instituto Superior Tecnico
Av. Rovisco Pais
1049-001 Lisboa
Tel:       +351 218 419 379
Fax:      +351 218 464 455
Mobile:  +351 968 434 327