Can you provide any more detail? Your report looks weird - you said its a simple c++ hello world, but the executable you show is "pi", which is typically a simple C example program.
Are you using the same version of open MPI on all nodes? Are you able to run n way jobs on single nodes? Sent from my phone. No type good. On Feb 9, 2013, at 2:03 PM, "Paul Gribelyuk" <paul.qu...@gmail.com> wrote: >> Hello, >> I am getting the following stacktrace when running a simple hello world MPI >> C++ program on 2 machines: >> >> >> mini:mpi_cw paul$ mpirun --prefix /usr/local/Cellar/open-mpi/1.6.3 >> --hostfile hosts_home -np 2 ./pi 1000000 >> rank and name: 0 aka mini.local >> [home-mini:12175] *** Process received signal *** >> [home-mini:12175] Signal: Segmentation fault: 11 (11) >> [home-mini:12175] Signal code: Address not mapped (1) >> [home-mini:12175] Failing at address: 0x1042e0000 >> [home-mini:12175] [ 0] 2 libsystem_c.dylib >> 0x00007fff94050cfa _sigtramp + 26 >> [home-mini:12175] [ 1] 3 mca_btl_tcp.so >> 0x000000010397092c best_addr + 2620 >> [home-mini:12175] [ 2] 4 pi >> 0x0000000103649d24 start + 52 >> [home-mini:12175] [ 3] 5 ??? >> 0x0000000000000002 0x0 + 2 >> [home-mini:12175] *** End of error message *** >> rank: 0 sum: 1.85459 >> -------------------------------------------------------------------------- >> mpirun noticed that process rank 1 with PID 12175 on node home-mini.local >> exited on signal 11 (Segmentation fault: 11). >> -------------------------------------------------------------------------- >> >> >> >> I get a similar result even when I don't use --prefix since the .bashrc file >> on the remote machine is correctly pointing to PATH and LD_LIBRARY_PATH >> >> Any help with this seg fault is greatly appreciated. Thanks. >> >> -Paul > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
