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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">did you check the firewall?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ursula<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Ken Miller [mailto:swonomo@gmail.com]
<br>
<b>Gesendet:</b> Freitag, 03. April 2015 02:34<br>
<b>An:</b> discuss@mpich.org<br>
<b>Betreff:</b> [mpich-discuss] Unexpected results<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hello,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am hoping someone might be able to point out what I am doing wrong. I have setup a Raspberry Pi cluster by going through a couple tutorials. The last step is to use MPI to test the cluster. Everything was going great until I ran the following
command:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">mpiexec -f machinefile -n 4 hostname<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">My machinefile contains the following:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#34BD26">pi@Pi01</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif"">
<b><span style="color:#5330E1">~/mpi_test $</span></b> cat machinefile<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">192.168.2.121<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">192.168.2.122<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">192.168.2.123<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">192.168.2.124<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">But, when I run the mpiexec command, I get the following error:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#34BD26">pi@Pi01</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif"">
<b><span style="color:#5330E1">~/mpi_test $</span></b> mpiexec -f machinefile -n 4 hostname<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">Pi01<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">[mpiexec@Pi01] control_cb (/home/pi/mpich2/mpich-3.1/src/pm/hydra/pm/pmiserv/pmiserv_cb.c:200): assert (!closed) failed<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">[mpiexec@Pi01] HYDT_dmxu_poll_wait_for_event (/home/pi/mpich2/mpich-3.1/src/pm/hydra/tools/demux/demux_poll.c:76): callback returned error status<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">[mpiexec@Pi01] HYD_pmci_wait_for_completion (/home/pi/mpich2/mpich-3.1/src/pm/hydra/pm/pmiserv/pmiserv_pmci.c:198): error waiting for event<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">[mpiexec@Pi01] main (/home/pi/mpich2/mpich-3.1/src/pm/hydra/ui/mpich/mpiexec.c:336): process manager error waiting for completion<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#34BD26">pi@Pi01</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black">
</span><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1">~/mpi_test $</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black"> </span><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black">Clearly, I am missing something. Would appreciate any help in advance.</span><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black">Thanks.</span><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black">Ken</span><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">ps. I am connected to the other Pis evident by the following ping results. I can also log into each of the other 3 Pis.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">ping 192.168.2.122<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">PING 192.168.2.122 (192.168.2.122) 56(84) bytes of data.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.122: icmp_req=1 ttl=64 time=0.807 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.122: icmp_req=2 ttl=64 time=0.626 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.122: icmp_req=3 ttl=64 time=0.614 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.122: icmp_req=4 ttl=64 time=0.605 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.122: icmp_req=5 ttl=64 time=0.603 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">^C<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">--- 192.168.2.122 ping statistics ---<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">5 packets transmitted, 5 received, 0% packet loss, time 4002ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">rtt min/avg/max/mdev = 0.603/0.651/0.807/0.078 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#34BD26">pi@Pi01</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif"">
<b><span style="color:#5330E1">~/mpi_test $</span></b> ping 192.168.2.123<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">PING 192.168.2.123 (192.168.2.123) 56(84) bytes of data.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.123: icmp_req=1 ttl=64 time=0.794 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.123: icmp_req=2 ttl=64 time=0.634 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.123: icmp_req=3 ttl=64 time=0.628 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.123: icmp_req=4 ttl=64 time=0.607 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">^C<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">--- 192.168.2.123 ping statistics ---<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">4 packets transmitted, 4 received, 0% packet loss, time 3003ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">rtt min/avg/max/mdev = 0.607/0.665/0.794/0.081 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#34BD26">pi@Pi01</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif"">
<b><span style="color:#5330E1">~/mpi_test $</span></b> ping 192.168.2.124<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">PING 192.168.2.124 (192.168.2.124) 56(84) bytes of data.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.124: icmp_req=1 ttl=64 time=0.787 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.124: icmp_req=2 ttl=64 time=0.632 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">64 bytes from 192.168.2.124: icmp_req=3 ttl=64 time=0.612 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">^C<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">--- 192.168.2.124 ping statistics ---<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">3 packets transmitted, 3 received, 0% packet loss, time 2002ms<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.5pt;font-family:"Menlo","serif"">rtt min/avg/max/mdev = 0.612/0.677/0.787/0.078 ms<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#34BD26">pi@Pi01</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black">
</span><b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1">~/mpi_test $</span></b><span style="font-size:8.5pt;font-family:"Menlo","serif";color:black"> </span><span style="font-size:8.5pt;font-family:"Menlo","serif";color:#5330E1"><o:p></o:p></span></p>
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