Hi, Am 11.07.2012 um 16:59 schrieb Siegmar Gross:
> Hello, > > 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? -- Reuti > [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
