[CPMD-list] KOHN-SHAM ENERGIES, Segmentation fault

Nisanth Nair nisanth.nair at theochem.ruhr-uni-bochum.de
Tue Jun 12 10:12:42 CEST 2007


Dear  Sashidar,
The problem is most likely due to the RESTART ALL option.
You need to restart only the coordinates and wavefunction for calculating the 
KS  energies after the wavefunction optimization. Restarting unavailable data  
from the restart file can make trouble by reading wrong part of the restart 
sections. Please see previous mails in the mailing list concerning this.

If you still have the restart file after the wavefunction optimization as the 
LATEST, use RESTART WAVEFUNCTION COORDINATES LATEST.
Further, remove RANDOMIZE COORDINATES.

best wishes,
Nisanth


On Tuesday 12 June 2007 09:19, Shashidhar G wrote:
> Dear All
>
> I'm running CPMD on IBM, AIX, power 4 ( 54 Nos. of 4-Way SMP nodes and 1
> No. of 32-Way SMP node) for Zn3Se3 atoms.
> Here I'm attaching my input file for KOHN-SHAM ENERGIES calculation . I ran
> it with 4 processor (2 x 2), I got  the following error in error file.
> Please help me in this regards and have a look on my input file.
>
> For the KOHN-SHAM ENERGIES calculation I proceed following steps
> 1. Wave Function Optimization ( With option OPTIMIZE WAVEFUNCTION)
> 2. Geometry Optimization ( With option OPTIMIZE GEOMETRY, RESTART
> WAVEFUNCTION COORDINATES LATEST)
> 3. Kohn-Sham Energies calculation
> ( With Option RESTART ALL
>   KOHN-SHAM ENERGIES
>   27)
>
> I would like to know how to select the no.of Kohn-Sham Energies States for
> this system Zn3Se3 or any other system in general.
>
> ---------------------------------------------------------------------------
>---------------------------------------------------
>
> The error file is ..................
>
> ATTENTION: 0031-408  4 tasks allocated by LoadLeveler, continuing...
> ERROR: 0031-250  task 1: Segmentation fault
> ERROR: 0031-250  task 0: Segmentation fault
> ERROR: 0031-250  task 2: Segmentation fault
> ERROR: 0031-250  task 3: Segmentation fault
> ---------------------------------------------------------------------------
>---------------------------------------------------
>
>
>
> ---------------------------------------------------------------------------
>-------------------------------------------------
>
> Some part of  CPMD ouput file is ..................
>  ============================================================
>
>     |    Pseudopotential Report                                |
>
>     ------------------------------------------------------------
>
>     |  Atomic Symbol                   :   ZN                  |
>     |  Atomic Number                   :  30                   |
>     |  Number of core states           :   5                   |
>     |  Number of valence states        :   2                   |
>     |  Exchange-Correlation Functional :                       |
>     |     Slater exchange :  0.6667                            |
>     |     LDA correlation : Ceperley-Alder                     |
>     |  Scalar-relativistic calculation                         |
>     |  Electron Configuration :   N   L  Occupation            |
>     |                             1   S    2.0000              |
>     |                             2   S    2.0000              |
>     |                             2   P    6.0000              |
>     |                             3   S    2.0000              |
>     |                             3   P    6.0000              |
>     |                             3   D   10.0000              |
>     |                             4   S    2.0000              |
>     |  Full Potential Total Energy =    -1793.317675           |
>     |  Trouiller-Martins normconserving PP                     |
>     |     n    l        rc       energy                        |
>     |     4    S    2.2500     -0.22879                        |
>     |     3    P    2.2500     -0.22879                        |
>     |     3    D    2.2500     -0.38300                        |
>     |     4    F    1.2307     -0.22879                        |
>     |  Nonlinear core correction                               |
>     |  Core charge cutoff radius :   2.25000                   |
>     |  Number of Mesh Points :   708                           |
>     |  Pseudoatom Total Energy =  -53.983752                   |
>
>     ============================================================
>  ============================================================
>
>     |    Pseudopotential Report                                |
>
>     ------------------------------------------------------------
>
>     |  Atomic Symbol                   :   SE                  |
>     |  Atomic Number                   :  34                   |
>     |  Number of core states           :   6                   |
>     |  Number of valence states        :   2                   |
>     |  Exchange-Correlation Functional :                       |
>     |     Slater exchange :  0.6667                            |
>     |     LDA correlation : Ceperley-Alder                     |
>     |  Scalar-relativistic calculation                         |
>     |  Electron Configuration :   N   L  Occupation            |
>     |                             1   S    2.0000              |
>     |                             2   S    2.0000              |
>     |                             2   P    6.0000              |
>     |                             3   S    2.0000              |
>     |                             3   P    6.0000              |
>     |                             3   D   10.0000              |
>     |                             4   S    2.0000              |
>     |                             4   P    4.0000              |
>     |  Full Potential Total Energy =    -2426.789166           |
>     |  Trouiller-Martins normconserving PP                     |
>     |     n    l        rc       energy                        |
>     |     4    S    1.9000     -0.64258                        |
>     |     4    P    1.9000     -0.24478                        |
>     |     3    D    1.9000     -0.24478                        |
>     |     4    F    1.0672     -0.24478                        |
>     |  Number of Mesh Points :   715                           |
>     |  Pseudoatom Total Energy =   -9.360779                   |
>
>     ============================================================
>  ****************************************************************
>  *   ATOM       MASS   RAGGIO NLCC              PSEUDOPOTENTIAL *
>  *     Zn    65.3700   1.2000  YES    KLEINMAN      S     LOCAL *
>  *                                                  P  NONLOCAL *
>  *                                                  D  NONLOCAL *
>  *     Se    78.9600   1.2000   NO    KLEINMAN      S     LOCAL *
>  *                                                  P  NONLOCAL *
>  ****************************************************************
>
>
>  PARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARA
>   NCPU     NGW     NHG  PLANES  GXRAYS  HXRAYS ORBITALS Z-PLANES
>      0    1531   12187      15     161     641      13       1
>      1    1522   12198      15     160     640      14       1
>      2    1522   12194      15     160     640      13       1
>      3    1524   12206      15     160     640      14       1
>                 G=0 COMPONENT ON PROCESSOR :     0
>  PARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARAPARA
>
>  ***    LOADPA| SIZE OF THE PROGRAM IS 19676 KBytes ***
>
>  OPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPEN
>  NUMBER OF CPUS PER TASK                                        4
>  OPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPENMPOPEN
>
>  ***     RGGEN| SIZE OF THE PROGRAM IS 19916 KBytes ***
>
>  ************************** SUPERCELL ***************************
>  THIS IS AN ISOLATED SYSTEM CALCULATION
>  POISSON EQUATION SOLVER  :                   TUCKERMAN & MARTYNA
>  SHORT RANGE POTENTIAL LENGTH * BOX LENGTH                  7.000
>  SYMMETRY:                                           SIMPLE CUBIC
>  LATTICE CONSTANT(a.u.):                                 10.00000
>  CELL DIMENSION:  10.0000  1.0000  1.0000   .0000   .0000   .0000
>  VOLUME(OMEGA IN BOHR^3):                              1000.00000
>  LATTICE VECTOR A1(BOHR):           10.0000      .0000      .0000
>  LATTICE VECTOR A2(BOHR):             .0000    10.0000      .0000
>  LATTICE VECTOR A3(BOHR):             .0000      .0000    10.0000
> RECIP. LAT. VEC. B1(2Pi/BOHR):       .1000      .0000      .0000
>  RECIP. LAT. VEC. B2(2Pi/BOHR):       .0000      .1000      .0000
>  RECIP. LAT. VEC. B3(2Pi/BOHR):       .0000      .0000      .1000
>  REAL SPACE MESH:                    60           60           60
>  WAVEFUNCTION CUTOFF(RYDBERG):                           80.63000
>  DENSITY CUTOFF(RYDBERG):          (DUAL= 4.00)         322.52000
>  NUMBER OF PLANE WAVES FOR WAVEFUNCTION CUTOFF:              6099
>  NUMBER OF PLANE WAVES FOR DENSITY CUTOFF:                  48785
>  NUMBER OF PLANE WAVES FOR BROYDEN MIXING:                  12187
>  ****************************************************************
>
>  ***  RINFORCE| SIZE OF THE PROGRAM IS 21928 KBytes ***
>  ***    FFTPRP| SIZE OF THE PROGRAM IS 23680 KBytes ***
>  ***   CLUSTER| SIZE OF THE PROGRAM IS 25024 KBytes ***
>
>  GENERATE ATOMIC BASIS SET
>      Zn        SLATER ORBITALS
>         3D        ALPHA=   5.6167      OCCUPATION=10.00
>         4S        ALPHA=   1.1757      OCCUPATION= 2.00
>      Se        SLATER ORBITALS
>         4S        ALPHA=   1.8784      OCCUPATION= 2.00
>         4P        ALPHA=   1.8784      OCCUPATION= 4.00
>
>
>  INITIALIZATION TIME:                                7.04 SECONDS
>
>  ***    WFOPTS| SIZE OF THE PROGRAM IS 26888 KBytes ***
>  RV30! NUMBER OF STATES   HAS CHANGED                     27   54
>  RV30| WARNING! NO ACCUMULATOR INFORMATION
>  RV30| WARNING! NO DENSITY INFORMATION
>  RV30| WARNING! NO OCCUPATION NUMBERS INFORMATION
>  RV30| WARNING! NO CONSTRAINT INFORMATION
>
>  RESTART INFORMATION READ ON FILE                     ./RESTART.1
>
>  ATOMIC COORDINATES AND VELOCITIES READ FROM FILE GEOMETRY
>
>  ***     PHFAC| SIZE OF THE PROGRAM IS 28428 KBytes ***
> ATRHO| WARNING! THE NUMBER OF GENERATED ATOMIC STATE (30)
>  ATRHO| WARNING! IS LESS THAN THE NUMBER OF STATE (54)
>   ATRHO| WARNING!    24 STATES ARE EQUAL TO ZERO
>  ATRHO| USE SECTION BASIS TO SPECIFY ATOMIC BASIS
>  ATRHO| CHARGE(R-SPACE):   54.008614      (G-SPACE):   54.008614
>  EWALD| SUM IN REAL SPACE OVER                      1* 1* 1 CELLS
>
> ---------------------------------------------------------------------------
>----------------------------------------------------------------------------
>---------------------
>
>
>
>
> ---------------------------------------------------------------------------
>------------------------------------------------- Input File is .....
>
> &INFO
>     Date : 1 June 2007,00:30
>     #Proc = 2x2 , WCLOCK Time = 24 Hours
>     KOHN ENERGY
> &END
> &CPMD
>   CENTER MOLECULE ON
>   oPTIMIZE WAVEFUNCTION
>   oPTIMIZE GEOMETRY
>   rESTART WAVEFUNCTION COORDINATES LATEST
>   RESTART ALL
>   KOHN-SHAM ENERGIES
>   27
>   CONVERGENCE ORBITALS
>   1.0D-7
>   CONVERGENCE ADAPT
>   0.02
>   CONVERGENCE ENERGY
>   0.05
>   LBFGS
>   RANDOMIZE COORDINATES
>   0.00001
>   PCG MINIMIZE
>   PRINT LSCAL ON
>   PRINT FORCES ON
>   MAXSTEP
>   1000
>   SPLINE POINTS
>   1000
> &END
>
> &DFT
>   NEWCODE
>   FUNCTIONAL LDA
> &END
> &SYSTEM
>   SYMMETRY
>   0
>   CELL
>   10.000 1.0  1.0  0  0  0
>   CUTOFF
>   80.63
>   POISSON SOLVER TUCKERMAN
> &END
>
> &ATOMS
>
> *ZN_NLCR.OUT1 KLEINMAN-BYLANDER NLCC
>    LMAX=D LOC=S
>    3
> -2.685906606      -1.056357325      -0.000538572
> -0.067633325       4.424512025      -0.045854223
>  3.387278737      -0.573305340       0.017338244
>
> *SE.OUT1 KLEINMAN-BYLANDER
>    LMAX=P LOC=S
>    3
>  0.639313500      -4.424512025       0.073122982
> -4.646290372       3.252012087      -0.073122982
>  4.646290372       3.987833938      -0.022232637
> &END
>
> ---------------------------------------------------------------------------
>------------------------------------------------
>
>
> Thanks in advance.
>
> With Regards
>
>
> SHASHIDHAR . G
> Project Intern,
> L 2 Cluster, Ist Floor,
> Centre for Development of Advanced Computing(CDAC)-Pune,
> Pune-411 007. INDIA.

-- 
=========================================================================== 
 Nisanth N. Nair
 Lehrstuhl fuer Theoretische Chemie   Tel: ++49 (0)234 32 22121
 Ruhr-Universitaet Bochum                     Fax: ++49 (0)234 32 14045
 Universitaetstrasse 150
 D-44801 Bochum, Germany
 Email: nisanth.nair at theochem.ruhr-uni-bochum.de
 Web  : http://www.theochem.ruhr-uni-bochum.de
===========================================================================


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