[Mpi-comments] error message while I tried to do a parallel job on a cluster

[Terry Pang]

Hi Chun,
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!!Thank You.
Regards,Terry Pang 

Date: Tue, 29 Jul 2014 17:35:16 -0700
From: miracle.chun.2010 at gmail.com
To: mpi-comments at lists.mpi-forum.org
Subject: [Mpi-comments] error message while I tried to do a parallel job on	a cluster

Hi all,
I have an error message while I tried to do a parallel job on a cluster.
The error is listed here:[mpiexec at M001-********] HYDU_sock_read (./utils/sock/sock.c:222): read errno (Input/output error)
[mpiexec at M001-********] control_cb (./pm/pmiserv/pmiserv_cb.c:249): assert (!closed) failed[mpiexec at M001-********] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c:77): callback returned error status
[mpiexec at M001-********] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:206): error waiting for event
[mpiexec at M001-********] main (./ui/mpich/mpiexec.c:404): process manager error waiting for completion

I'm using mpich2-1.3.2 to do the job.It seems the error is pointing to hydra?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?
Also I'm confused how hydra is linked to mpich2-1.3.2 while installing them?Is there anyone who can give me some hint?

Thanks a lot!

Best,Chun

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