[mvapich-discuss] Cannot make mpirun (hydra) read std input

[Mehmet]

Hi Everyone,

I am trying to run a simple code in this way, using mvapich2/1.9:

mpirun -np 8 CAC < cac.in        (mpirun links to mpiexec.hydra)

and getting:

[proxy:0:0 at iw-k30-6.pace.gatech.edu] HYDU_sock_write
(./utils/sock/sock.c:291): write error (Broken pipe)
[proxy:0:0 at iw-k30-6.pace.gatech.edu] HYD_pmcd_pmip_control_cmd_cb
(./pm/pmiserv/pmip_cb.c:963): unable to write to downstream stdin
[proxy:0:0 at iw-k30-6.pace.gatech.edu] HYDT_dmxu_poll_wait_for_event
(./tools/demux/demux_poll.c:77): callback returned error status

When I try with mpirun_rsh, it works. Any ideas why mpirun won't work when
input file is redirected?

Thanks!
-Mehmet
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