[Pw_forum] A question about MPICH

Sun Apr 18 22:28:30 CEST 2010

Hello Q.E. users
Excuse me for this silly question!!!
My computer has a dual-core processor, I installed MPICH,
This is the part of  'make.sys'
DFLAGS         =  -D__GFORTRAN -D__FFTW -D__MPI -D__PARA
and
MPIF90         = mpif90
#F90           = gfortran
CC             = cc
F77            = gfortran
but when i run "mpirun -np 2 pw.x -nimage 1 -inp <gaaspw.in> gaaspw.out", I
get This massage:
connect to address ::1: Connection refused
Trying 127.0.0.1...
Permission denied.

Where is the problem?
Thanks
Mohsen Modaresi
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