[mpich-discuss] mpiexec Mac OS execution error

[Eric A. Borisch]

What are you using for your launcher? MPD (if that's what your using) has
some setup that needs to be done first before things will work.

Have you tried just launching something simple like 'mpiexec -np 2 ls' ?

The macports version is still on 1.2.1p1. Perhaps I'll update it to 1.3.3rc1
with HYDRA as the default launcher and you can try again -- I see no one has
touched it in a while. I'll send you a note when it's available. You'll
still need to do some minimal setup for HYDRA, as outlined in the MPICH2
documentation.

 -Eric

On Thu, Mar 10, 2011 at 8:18 PM, Theron Rodgers <tmr9a at virginia.edu> wrote:

> Hi,
>
> I've installed Mpich2 from macports using gcc 4.5.2.  When I attempt to run
> a program with mpiexec I receive error messages, as follows:
>
> theron$ mpiexec -np 2 icarus_mac.exe <steady_slowest.in
> Fatal error in MPI_Comm_rank: Invalid communicator, error stack:
> MPI_Comm_rank(106): MPI_Comm_rank(comm=0x1, rank=0x1001ecd04) failed
> MPI_Comm_rank(64).: Invalid communicator
> rank 0 in job 15 comp.local_53650   caused collective abort of all ranks
>  exit status of rank 0: return code 1
>
> There are also two GUI windows that open and quickly close, which I
> recognize as the usual Mac OS Allow/Deny program execution dialogue.  After
> seeing these windows, I thought the execution might be having problems with
> permissions, so I reentered the command using sudo, but I got an additional
> error message:
>
> /opt/local/bin/mpdroot: open failed for root's mpd conf
> filempiexec_comp.local (__init__ 1208): forked process failed; status=255
>
>
> Any comments or help would be greatly appreciated.
>
> Thank you for your time,
> Theron Rodgers
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