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<body class='hmmessage'><div dir='ltr'>Hi Chun,<div><br></div><div>I had this problem same as you and this is how I solved it. I unsure my method will work for you. I found that my source code example, mympi.c and makefile must have the same location in slaves computers too else it keep showing this error. Then compile them (in slaves too), master and slaves will get the executable file. When run the executable file from master, slaves will detect the execution code you typed from master and run the executable file. Hope this works for you. Good luck!!</div><div>Thank You.</div><div><br></div><div>Regards,</div><div><span style="font-size: 12pt;">Terry Pang </span></div><div><span style="font-size: 12pt;"><br></span></div><div><span style="font-size: 12pt;"><br></span></div><div><div><hr id="stopSpelling">Date: Tue, 29 Jul 2014 17:35:16 -0700<br>From: miracle.chun.2010@gmail.com<br>To: mpi-comments@lists.mpi-forum.org<br>Subject: [Mpi-comments] error message while I tried to do a parallel job on a cluster<br><br><div dir="ltr"><div style="font-family:arial,sans-serif;font-size:14px;">Hi all,</div><div style="font-family:arial,sans-serif;font-size:14px;"><br></div><div style="font-family:arial,sans-serif;font-size:14px;">I have an error message while I tried to do a parallel job on a cluster.</div>
<div style="font-family:arial,sans-serif;font-size:14px;">The error is listed here:</div><div style="font-family:arial,sans-serif;font-size:14px;">[mpiexec@M001-********] HYDU_sock_read (./utils/sock/sock.c:222): read errno (Input/output error)</div>
<div style="font-family:arial,sans-serif;font-size:14px;">[mpiexec@M001-********] control_cb (./pm/pmiserv/pmiserv_cb.c:249): assert (!closed) failed</div><div style="font-family:arial,sans-serif;font-size:14px;">[mpiexec@M001-********] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c:77): callback returned error status</div>
<div style="font-family:arial,sans-serif;font-size:14px;">[mpiexec@M001-********] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:206): error waiting for event</div><div style="font-family:arial,sans-serif;font-size:14px;">
[mpiexec@M001-********] main (./ui/mpich/mpiexec.c:404): process manager error waiting for completion</div><div style="font-family:arial,sans-serif;font-size:14px;"><br></div><div style="font-family:arial,sans-serif;font-size:14px;">
I'm using mpich2-1.3.2 to do the job.It seems the error is pointing to hydra?</div><div style="font-family:arial,sans-serif;font-size:14px;">And I'm not sure about if hydra is installed in this cluster.So Maybe I need to install a same version hydra with mpich2 first?</div>
<div style="font-family:arial,sans-serif;font-size:14px;">Also I'm confused how hydra is linked to mpich2-1.3.2 while installing them?</div><div style="font-family:arial,sans-serif;font-size:14px;">Is there anyone who can give me some hint?</div>
<div style="font-family:arial,sans-serif;font-size:14px;"><br></div><div style="font-family:arial,sans-serif;font-size:14px;">Thanks a lot!</div><div style="font-family:arial,sans-serif;font-size:14px;"><br></div><div style="font-family:arial,sans-serif;font-size:14px;">
Best,</div><div style="font-family:arial,sans-serif;font-size:14px;">Chun</div></div>
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