On 06.04.2016 00:37, Yangchuan Li wrote:
Dear QE users,

I try to run the pw.x example01 in parallel, but it seems the program can't run correctly. I installed mpich2 and the parallel environment was detected also compiled it successfully. I run it by "mpirun -np 2 pw.x < in > out". The problem is shown below. How can I fix it? Also, if this issue doesn't bother you, could you please tell me what mpi package you used and how you configure the parallel run environment? Frankly, I am not an expert in Linux.
Any comment will be appreciated! Thank you.

****** below is the relevant output lines ***************

     Program PWSCF v.5.2.0 starts on  5Apr2016 at 15:14: 4

     Parallel version (MPI), running on     1 processors
     Waiting for input...
     Reading input from standard input
     Message from routine read_cards :
     DEPRECATED: no units specified in ATOMIC_POSITIONS card
     Message from routine read_cards :
     ATOMIC_POSITIONS: units set to alat

     Current dimensions of program PWSCF are:
     Max number of different atomic species (ntypx) = 10
     Max number of k-points (npk) =  40000
     Max angular momentum in pseudopotentials (lmaxx) =  3

     Program PWSCF v.5.2.0 starts on  5Apr2016 at 15:14: 4

     Parallel version (MPI), running on     1 processors
     Waiting for input...
     Reading input from standard input

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     Error in routine  read_namelists (1):
      reading namelist control
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Hi!

This is not MPI related issue, in fact there are some errors in &control block of your input file.

It is easy to distinguish internal QE-errors from environment one. In former case QE create CRASH file in the working directory with error description.

Hope this helps,
M.V.Kondrin,
High Pressure Physics Institute RAS
     stopping ...

Subspace diagonalization in iterative solution of the eigenvalue problem:
     a serial algorithm will be used


Best,
Yangchuan Li
Graduate Research Assistant
Mechanical Engineering
University of Texas at Austin




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