ok

if you are using 6.3 so the problem should  not be related to any recent changes in QE.

for the MPI library info could you just type

mpirun --version

that should print out the name and the version of the MPI library you are using.

Pietro


On 04/03/19 10:12, IORI, Federico wrote:


On Mon, Mar 4, 2019 at 9:30 AM Pietro Davide Delugas <[email protected] <mailto:[email protected]>> wrote:

    Hi Federico

    have  you been working with 6.3 stable version or with the develop
    version(s) ?


6.3 stable version always

    does the error occur with this system or also with other systems ?


For the moment  it occurs with the same system CuFeO2 but in different geometry : periodic supercell ans slabs

For the "simple" bulk system I do not get any error. The problems starts when I increase the size of my system. But this error does not come from  memory problem, does it ?


    what MPI library are you using ?


INTEL MPIRUN that comes along with the MKL and INTEL compiler release 2018$

    have you tried to compile using the ELPA library ?


Nope.


    sorry for replying with more questions  and no answer


Don't worry. I really appreciate the effort.

Other doubt: could I come from the PS Libray pseudo ?
At the beginning I was using the PS libs pseudo compiled by me. Then I switch to the same ones but uploaded on the QE website.


    Pietro



Thanks again!




    On 03/01/2019 04:58 PM, IORI, Federico wrote:
    Hi everybody.
    I am working with QE 6.3 and from today also testing QE 6.4 on a
    CuFeO2 supercell (4x4x1, large system)
    Recently (since some weeks) I found randomly but very often this
    error poping up after the 1st - 2nd scf iterations after the
    initialization of the wfc.

    forrtl: severe (71): integer divide by zero
    Image              PC Routine            Line        Source
    pw.x               0000000000CFE59E Unknown              
    Unknown  Unknown
    libpthread-2.22.s  00007FFFEFCA5C10 Unknown              
    Unknown  Unknown
    libmkl_scalapack_  00007FFFF790512D pzhbrdb_             
    Unknown  Unknown
    libmkl_scalapack_  00007FFFF781765C pzherdb_             
    Unknown  Unknown
    libmkl_scalapack_  00007FFFF77842B9 mkl_pzheevd0_        
    Unknown  Unknown
    libmkl_scalapack_  00007FFFF7782984 mkl_pzheevdm_        
    Unknown  Unknown
    libmkl_scalapack_  00007FFFF778191C pzheevd_             
    Unknown  Unknown
    pw.x               0000000000B8E667 zhpev_module_mp_p       
    1566  zhpev_drv.f90
    pw.x               0000000000B59CD3 pcdiaghg_                
    339  cdiaghg.f90
    pw.x               0000000000A8B37A pcegterg_                
    957  cegterg.f90
    pw.x               0000000000659331 diag_bands_              
    497  c_bands.f90
    pw.x               00000000006569FB c_bands_                 
    101  c_bands.f90
    pw.x               000000000040CAF1 electrons_scf_           
    566  electrons.f90
    pw.x               0000000000409C04 electrons_               
    152  electrons.f90
    pw.x               00000000005765BA run_pwscf_               
    133  run_pwscf.f90
    pw.x               00000000004077B5 MAIN__                    
    98  pwscf.f90
    pw.x               000000000040761E Unknown              
    Unknown  Unknown
    libc-2.22.so <http://libc-2.22.so/> 00007FFFEF613725 
    __libc_start_main     Unknown Unknown
    pw.x               0000000000407529 Unknown              
    Unknown  Unknown

    Both QE versions are compiled with INTEL 2018 on a Xeon Gold 6128
    based cluster linking MKL libraries
    The error is reproduced on all the different nodes of the cluster.

    I check that the zhpev_drv.f90 routine, where the error seems to
    come from,  is in theLAXlib  part, but I don't have still any
    idea about the why and the how.
    I am not convinced it is related to memory problem.

    Is there anyone who can give me some hints?

    In attachment the pw.in <http://pw.in> and pw.out for sake of
    completeness.

    Thanks so much.
    Federico

-- Federico IORI

    Computational material scientist

    Paris-Saclay Research Center

    1 chemin de la Porte des Loges
    
<https://www.google.com/maps/place/Air+Liquide/@48.8297381,2.2016685,11.75z/data=%214m5%213m4%211s0x47e67e61a4fbbdc7:0xca3bea9e80059880%218m2%213d48.7630415%214d2.1333045>
    Les Loges en Josas – 78354 Jouy en Josas cedex Mail:
    [email protected] <mailto:[email protected]>

    Phone: +33 7 621 605 15




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--
Federico IORI

Computational material scientist

Paris-Saclay Research Center

1 chemin de la Porte des Loges <https://www.google.com/maps/place/Air+Liquide/@48.8297381,2.2016685,11.75z/data=!4m5!3m4!1s0x47e67e61a4fbbdc7:0xca3bea9e80059880!8m2!3d48.7630415!4d2.1333045> Les Loges en Josas – 78354 Jouy en Josas cedex Mail: [email protected] <mailto:[email protected]>

Phone: +33 7 621 605 15



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