Can you try updating to a more recent version of mpich? 1.2 is very old at this point. On Mac OS, the easiest way to install is using homebrew. 

Thanks,
Wesley

On Sunday, March 30, 2014, asdsdjsakdjklasjdklasjdkl sdsadasdasdsadsad <rokus123@yandex.ru> wrote:
 

I have an unusual problem when i try to start a program throught MPI =(

(i install MPI according to instruction, i swear)

[mac os x 10.7.5, python 2.7.6, mpich2-1.2]

~ $ sudo mpd &
[1] 65314
~ $ sudo mpdtrace
MacBook-Ivan-2
~ $ sudo mpdallexit

ok, but when i try to execute further test i have error

~ $ sudo mpd &
[1] 65277
~ $ sudo mpiexec -n 1 /bin/hostname
MacBook-Ivan-2.local_mpdman_0 (mpd_sockpair 240): connect 22 Invalid argument
MacBook-Ivan-2.local_mpdman_0 (mpd_sockpair 247): connect error with 22 Invalid argument
MacBook-Ivan-2.local_mpdman_0 (mpd_sockpair 258): connect 22 Invalid argument
MacBook-Ivan-2.local_mpdman_0: mpd_uncaught_except_tb handling:
  <class 'socket.error'>: [Errno 22] Invalid argument
    /Users/ivan/mpich2-install/bin/mpdlib.py  259  mpd_sockpair
        raise socket.error, errinfo
    /Users/ivan/mpich2-install/bin/mpdlib.py  820  create_single_mem_ring
        self.lhsSock,self.rhsSock = mpd_sockpair()
    /