MPI: numprocs = 1 MPI: rank = 0 MPI: processor_name = Panoramix work msg = 'WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW' peter@Panoramix:~/mpiTest$ ./run.sh MPI: numprocs = 2 MPI: rank = 1 MPI: processor_name = Panoramix work msg = 'WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW' MPI: slave 1 ready to receive workLength from master MPI: numprocs = 2 MPI: rank = 0 MPI: processor_name = Panoramix work msg = 'WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW' MPI: master ready to send workLength=40 to slave 1 MPI: master sent workLength, errorCode = 0 MPI: master ready to send work to slave 1 MPI: master sent work to slave 1, errorCode = 0 MPI: master ready to receive resultLength from slave 1 MPI: slave 1 received workLength = 40 from master, errorCode = 0 work = 0x194cd30 MPI: slave 1 ready to receive work from master MPI: slave 1 received work from master, errorCode = 0 result msg = 'RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR' result = 0x194c060 MPI: slave 1 ready to send resultLength MPI: slave 1 sent resultLength, errorCode = 0 MPI: slave 1 ready to send result MPI: slave 1 sent result, errorCode = 0 MPI: slave 1 ready to receive workLength from master MPI: master received resultLength=40 from slave 1, errorCode = 0 MPI: master ready to receive result from slave 1 MPI: master received result from slave 1, errorCode = 0 MPI: master ready to send dieTag to slave 1 MPI: master sent dieTag to slave 1 MPI: slave 1 received dieTag from master, errorCode = 0 [Panoramix:09705] *** Process received signal *** [Panoramix:09705] Signal: Segmentation fault (11) [Panoramix:09705] Signal code: Address not mapped (1) [Panoramix:09705] Failing at address: 0x7f0bf70069d8 [Panoramix:09705] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x33d80) [0x7fe8a8d6ed80] [Panoramix:09705] [ 1] /usr/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSsD1Ev+0x26) [0x7fe8a9607006] [Panoramix:09705] [ 2] ./mpiTest() [0x4097d6] [Panoramix:09705] [ 3] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xff) [0x7fe8a8d59eff] [Panoramix:09705] [ 4] ./mpiTest() [0x4087e9] [Panoramix:09705] *** End of error message *** -------------------------------------------------------------------------- mpirun noticed that process rank 1 with PID 9705 on node Panoramix exited on signal 11 (Segmentation fault). --------------------------------------------------------------------------