[mvapich-discuss] mvapich2 and MPI subjobs

[Jonathan Perkins]

How does mpilaunch work?  Is PBS_NODEFILE available on the node that
mpilaunch is being run on?

On Fri, Apr 15, 2011 at 4:08 PM, James R. Leek <leek2 at llnl.gov> wrote:
> I've gotten the below, more informative error message a couple of times, and
> now get it regularly.  Perhaps someone knows what it means?  All I've found
> from googling it is the code it comes from.
>
> [leek2 mpitest2]$ mpiexec -np 1 ./mpilaunch $PBS_NODEFILE
>
> PBS_NODEFILE: /var/spool/PBS/aux/385337.madm2
>
> forking
>
> Waiting on pid 31473
>
> execing mpi-helloworld
>
> [proxy:0:0 at m0043.mana] HYDU_create_process (./utils/launch/launch.c:36):
> dup2 error (Bad file descriptor)
> [proxy:0:0 at m0043.mana] launch_procs (./pm/pmiserv/pmip_cb.c:729): create
> process returned error
> [proxy:0:0 at m0043.mana] HYD_pmcd_pmip_control_cmd_cb
> (./pm/pmiserv/pmip_cb.c:913): launch_procs returned error
> [proxy:0:0 at m0043.mana] HYDT_dmxu_poll_wait_for_event
> (./tools/demux/demux_poll.c:77): callback returned error status
> [proxy:0:0 at m0043.mana] main (./pm/pmiserv/pmip.c:214): demux engine error
> waiting for event
> Ctrl-C caught... cleaning up processes
>
>
> Thanks,
>
> --
> Jim Leek
> leek2 at llnl.gov
>
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>
>



-- 
Jonathan Perkins
http://www.cse.ohio-state.edu/~perkinjo