Good day Paolo,

Thanks for responding. dos.x allows parallelization. To prove my point
and as a workaround to this problem which has bothering me for quite
some time now, I ran it on the same cluster, but using 5.4.0:
 (Although I also tried doing the single-thread-single-processor run
as inspired by 
http://qe-forge.org/pipermail/pw_forum/2015-September/107940.html).


     Program DOS v.5.4.0 starts on 12Nov2017 at 14:22:57

     This program is part of the open-source Quantum ESPRESSO suite
     for quantum simulation of materials; please cite
         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
          URL http://www.quantum-espresso.org";,
     in publications or presentations arising from this work. More details at
     http://www.quantum-espresso.org/quote

     Parallel version (MPI & OpenMP), running on      12 processor cores
     Number of MPI processes:                 4
     Threads/MPI process:                     3
     R & G space division:  proc/nbgrp/npool/nimage =       4

   Info: using nr1, nr2, nr3 values from input

   Info: using nr1, nr2, nr3 values from input

     IMPORTANT: XC functional enforced from input :
     Exchange-correlation      = PBE ( 1  4  3  4 0 0)
     Any further DFT definition will be discarded
     Please, verify this is what you really want

               file C.pbe-n-kjpaw_psl.0.1.UPF: wavefunction(s)  2P renormalized

     Parallelization info
     --------------------
     sticks:   dense  smooth     PW     G-vecs:    dense   smooth      PW
     Min         268     108     37                 5896     1489     284
     Max         269     109     38                 5899     1509     285
     Sum        1075     433    151                23589     5985    1139


     Check: negative/imaginary core charge=   -0.000004    0.000000

     Gaussian broadening (default values): ngauss,degauss=   0    0.003675


     DOS          :     1.05s CPU         0.82s WALL


   This run was terminated on:  14:22:57  12Nov2017

=------------------------------------------------------------------------------=
   JOB DONE.
=------------------------------------------------------------------------------=

But this workaround still does not solve the root cause of the
problem. I would like to use the newest version of QE as much as
possible, but this problem really gets on my nerves. Until the time it
works properly, I might have to stick to older releases.


Date: Fri, 10 Nov 2017 16:14:25 +0100
From: Paolo Giannozzi <[email protected]>
Subject: Re: [Pw_forum] dos.x issues
To: PWSCF Forum <[email protected]>
Message-ID:
        <CAPMgbCsUWmXuJUybE5m21dCEZ6BwBvqdu5Lz=ea2tn38ez6...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

I would first of all try to run it on a single processor. I don't think
dos.x is parallelized.

Paolo

On Fri, Nov 10, 2017 at 1:47 PM, Wilbert James Futalan
<[email protected]> wrote:

> Hi, I'm having some trouble running dos.x in our cluster. I tried running the 
> very same pw.x (scf and nscf) and dos.x in my own personal computer and they 
> both seem to work just fine. Running it on the cluster however gives this 
> error:
>
>      Parallel version (MPI & OpenMP), running on      12 processor cores
>      Number of MPI processes:                 4
>      Threads/MPI process:                     3
>      R & G space division:  proc/nbgrp/npool/nimage =       4
>
>    Info: using nr1, nr2, nr3 values from input
>
>    Info: using nr1, nr2, nr3 values from input
> rank 0 in job 1  piv01_49932   caused collective abort of all ranks
>   exit status of rank 0: return code 174
>
> What do you think could be wrong. I'm using QE 6.1 for the cluster but 5.4 
> for my computer.
>
> Thanks.
>
>
>
> --
> Wilbert James C. Futalan
> Research Fellow I
> Laboratory of Electrochemical Engineering
> Department of Chemical Engineering
> University of the Philippines - Diliman
>
> _______________________________________________
> Pw_forum mailing list
> [email protected]
> http://pwscf.org/mailman/listinfo/pw_forum
>



-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222


-- 
Engr. Wilbert James C. Futalan
Research Fellow I
Laboratory of Electrochemical Engineering
Department of Chemical Engineering
University of the Philippines - Diliman
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