Hello Reuti, thank you for your reply.
> > I get the following error when I try to run my programs with > > openmpi-1.6.0. > > > > tyr hello_1 52 which mpiexec > > /usr/local/openmpi-1.6_32_cc/bin/mpiexec > > tyr hello_1 53 > > > > tyr hello_1 51 mpiexec --host tyr,sunpc1 -np 3 hello_1_mpi > > Process 0 of 3 running on tyr.informatik.hs-fulda.de > > Process 2 of 3 running on tyr.informatik.hs-fulda.de > > [[4154,1],0][../../../../../openmpi-1.6/ompi/mca/btl/tcp/btl_tcp_endpoint.c:586:m > > ca_btl_tcp_endpoint_start_connect] from tyr.informatik.hs-fulda.de to: > > sunpc1 > > Unable to connect to the peer 127.0.0.1 on port 1024: Connection refused > > > > Process 1 of 3 running on sunpc1.informatik.hs-fulda.de > > [[4154,1],1][../../../../../openmpi-1.6/ompi/mca/btl/tcp/btl_tcp_endpoint.c:586:m > > ca_btl_tcp_endpoint_start_connect] from sunpc1.informatik.hs-fulda.de to: > > tyr > > Unable to connect to the peer 127.0.0.1 on port 516: Connection refused > > Some distributions give the loopback interface also the name of the host. Is > there an additonal line: > > 127.0.0.1 tyr.informatik.hs-fulda.de > > in /etc/hosts besides the localhost and interface entry? No it isn't. tyr etc 16 more hosts # # Internet host table # ::1 localhost 127.0.0.1 localhost ... tyr etc 20 ssh sunpc1 head /etc/hosts 127.0.0.1 localhost ... Kind regards Siegmar > > [sunpc1.informatik.hs-fulda.de:24555] *** An error occurred in MPI_Barrier > > [sunpc1.informatik.hs-fulda.de:24555] *** on communicator MPI_COMM_WORLD > > [sunpc1.informatik.hs-fulda.de:24555] *** MPI_ERR_INTERN: internal error > > [sunpc1.informatik.hs-fulda.de:24555] *** MPI_ERRORS_ARE_FATAL: your MPI > > job will > > now abort > > ... > > > > > > I have no problems with just one host (in this case "127.0.0.1" should > > work). Why didn't mpiexec use the ip-addresses of the hosts in the > > above example? > > > > > > tyr hello_1 53 mpiexec --host tyr -np 2 hello_1_mpi > > Process 0 of 2 running on tyr.informatik.hs-fulda.de > > Now 1 slave tasks are sending greetings. > > Greetings from task 1: > > ... > > > > > > tyr hello_1 54 mpiexec --host sunpc1 -np 2 hello_1_mpi > > Process 1 of 2 running on sunpc1.informatik.hs-fulda.de > > Process 0 of 2 running on sunpc1.informatik.hs-fulda.de > > Now 1 slave tasks are sending greetings. > > Greetings from task 1: > > ... > > > > > > The problem doesn't result from the heterogeneity of the two > > hosts because I get the same error with two Sparc-systems or > > two PCs. I didn't have any problems with openmpi-1.2.4. > > > > tyr hello_1 18 mpiexec -mca btl ^udapl --host tyr,sunpc1,linpc1 \ > > -np 4 hello_1_mpi > > Process 0 of 4 running on tyr.informatik.hs-fulda.de > > Process 2 of 4 running on linpc1 > > Process 1 of 4 running on sunpc1.informatik.hs-fulda.de > > Process 3 of 4 running on tyr.informatik.hs-fulda.de > > Now 3 slave tasks are sending greetings. > > Greetings from task 2: > > ... > > > > tyr hello_1 19 which mpiexec > > /usr/local/openmpi-1.2.4/bin/mpiexec > > > > Do you have any ideas why it doesn't work with openmpi-1.6.0? > > I configured the package with > > > > ../openmpi-1.6/configure --prefix=/usr/local/openmpi-1.6_32_cc \ > > LDFLAGS="-m32" \ > > CC="cc" CXX="CC" F77="f77" FC="f95" \ > > CFLAGS="-m32" CXXFLAGS="-m32 -library=stlport4" FFLAGS="-m32" \ > > FCFLAGS="-m32" \ > > CPP="cpp" CXXCPP="cpp" \ > > CPPFLAGS="" CXXCPPFLAGS="" \ > > C_INCL_PATH="" C_INCLUDE_PATH="" CPLUS_INCLUDE_PATH="" \ > > OBJC_INCLUDE_PATH="" MPIHOME="" \ > > --without-udapl --without-openib \ > > --enable-mpi-f90 --with-mpi-f90-size=small \ > > --enable-heterogeneous --enable-cxx-exceptions \ > > --enable-orterun-prefix-by-default \ > > --with-threads=posix --enable-mpi-thread-multiple \ > > --enable-opal-multi-threads \ > > --with-hwloc=internal --with-ft=LAM --enable-sparse-groups \ > > |& tee log.configure.$SYSTEM_ENV.$MACHINE_ENV.32_cc > > > > Thank you very much for any help in advance. > > > > > > Kind regards > > > > Siegmar > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > >
