Maybe I’m missing something, but “mpirun -n 1” doesn’t include the name of an application to execute.
The error message prior to that error indicates that you have some cruft sitting in your tmpdir. You just need to clean it out - look for something that starts with “openmpi” > On Sep 22, 2016, at 1:45 AM, Justin Chang <jychan...@gmail.com> wrote: > > Dear all, > > So I upgraded/updated my Homebrew on my Macbook and installed Open MPI > 2.0.1 using "brew install openmpi". However, when I open up a terminal > and type "mpirun -n 1" I get the following messages: > > ~ mpirun -n 1 > [Justins-MacBook-Pro-2.local:20793] [[13318,0],0] bind() failed on > error Address already in use (48) > [Justins-MacBook-Pro-2.local:20793] [[13318,0],0] ORTE_ERROR_LOG: > Error in file oob_usock_component.c at line 228 > -------------------------------------------------------------------------- > No executable was specified on the mpirun command line. > > Aborting. > -------------------------------------------------------------------------- > > > I have never seen anything like the first two lines. I also installed > python and mpi4py via pip, and when I still get the same messages: > > ~ python -c "from mpi4py import MPI" > [Justins-MacBook-Pro-2.local:20871] [[13496,0],0] bind() failed on > error Address already in use (48) > [Justins-MacBook-Pro-2.local:20871] [[13496,0],0] ORTE_ERROR_LOG: > Error in file oob_usock_component.c at line 228 > > But now if I add "mpirun -n 1" I get the following: > > ~ mpirun -n 1 python -c "from mpi4py import MPI" > [Justins-MacBook-Pro-2.local:20935] [[13560,0],0] bind() failed on > error Address already in use (48) > [Justins-MacBook-Pro-2.local:20935] [[13560,0],0] ORTE_ERROR_LOG: > Error in file oob_usock_component.c at line 228 > [Justins-MacBook-Pro-2.local:20936] [[13560,1],0] > usock_peer_send_blocking: send() to socket 17 failed: Socket is not > connected (57) > [Justins-MacBook-Pro-2.local:20936] [[13560,1],0] ORTE_ERROR_LOG: > Unreachable in file oob_usock_connection.c at line 315 > [Justins-MacBook-Pro-2.local:20936] [[13560,1],0] > orte_usock_peer_try_connect: usock_peer_send_connect_ack to proc > [[13560,0],0] failed: Unreachable (-12) > [Justins-MacBook-Pro-2:20936] *** Process received signal *** > [Justins-MacBook-Pro-2:20936] Signal: Segmentation fault: 11 (11) > [Justins-MacBook-Pro-2:20936] Signal code: (0) > [Justins-MacBook-Pro-2:20936] Failing at address: 0x0 > ------------------------------------------------------- > Primary job terminated normally, but 1 process returned > a non-zero exit code.. Per user-direction, the job has been aborted. > ------------------------------------------------------- > -------------------------------------------------------------------------- > mpirun detected that one or more processes exited with non-zero > status, thus causing > the job to be terminated. The first process to do so was: > > Process name: [[13560,1],0] > Exit code: 1 > -------------------------------------------------------------------------- > > Clearly something is wrong here. I already tried things like "rm -rf > $TMPDIR/openmpi-sessions-*" but said directory keeps reappearing and > the error persists. Why does this happen and how do I fix it? For what > it's worth, here's some other information that may help: > > ~ mpicc --version > Apple LLVM version 8.0.0 (clang-800.0.38) > Target: x86_64-apple-darwin15.6.0 > Thread model: posix > InstalledDir: > /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin > > I tested Hello World with both mpicc and mpif90, and they still work > despite showing those two error/warning messages. > > Thanks, > Justin > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/users