ftrahay@joe0:$ mpiexec -machinefile ./joe -np 2 ./concurrent_ping
[1 communicating threads]
thread #0
[1 communicating threads]
[0]     1       4.075956           0.245           0.234
[0]     2       4.080248           0.490           0.467
[0]     4       4.075897           0.981           0.936
[0]     8       4.092956           1.955           1.864
[2 communicating threads]
thread #1
[2 communicating threads]
[joe0:18356] *** Process received signal ***
[joe0:18356] Signal: Segmentation fault (11)
[joe0:18356] Signal code: Address not mapped (1)
[joe0:18356] Failing at address: 0x7fb2000000d0
[joe0:18356] [ 0] /lib/libpthread.so.0 [0x7fb2244c27b0]
[joe0:18356] [ 1] /home/ftrahay/sources/openmpi/trunk/install/lib/openmpi/mca_btl_mx.so [0x7fb220a42082]
[joe0:18356] [ 2] /home/ftrahay/sources/openmpi/trunk/install//lib/libopen-pal.so.0(opal_progress+0xbc) [0x7fb224f888e0]
[joe0:18356] [ 3] /home/ftrahay/sources/openmpi/trunk/install/lib/openmpi/mca_pml_ob1.so [0x7fb22168caa6]
[joe0:18356] [ 4] /home/ftrahay/sources/openmpi/trunk/install/lib/openmpi/mca_pml_ob1.so [0x7fb22168ca03]
[joe0:18356] [ 5] /home/ftrahay/sources/openmpi/trunk/install/lib/openmpi/mca_pml_ob1.so [0x7fb22168c939]
[joe0:18356] [ 6] /home/ftrahay/sources/openmpi/trunk/install//lib/libmpi.so.0(MPI_Recv+0x2bc) [0x7fb2254fb690]
[joe0:18356] [ 7] ./concurrent_ping(client+0xf5) [0x401185]
[joe0:18356] [ 8] /lib/libpthread.so.0 [0x7fb2244bafaa]
[joe0:18356] [ 9] /lib/libc.so.6(clone+0x6d) [0x7fb22422f29d]
[joe0:18356] *** End of error message ***
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mpiexec noticed that process rank 0 with PID 20468 on node joe1 exited on signal 11 (Segmentation fault).
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