[Pw_forum] Error in routine cdiaghg S matrix not positive definite

Jennifer Wohlwend jen7182 at hotmail.com
Mon Sep 24 22:28:32 CEST 2012


I have recently installed 5.0.1 and have tried to run a ph.x test-case of the Al system in example 03 (in the PHonon examples) but I'm running into an error in the scf phase of the example. I've run a simple Si scf input which ran without incident so I'm not sure where this is coming from.
Input:
 &CONTROL
                 calculation = 'scf' ,
                restart_mode = 'from_scratch' ,
                      outdir = './' ,
                      wfcdir = './' ,
                  pseudo_dir = '/app2/espresso/pseudo/' ,
                      prefix = 'al' ,
 /
 &SYSTEM
                       ibrav = 2,
                   celldm(1) = 7.5,
                         nat = 1,
                        ntyp = 1,
                     ecutwfc = 15.0 ,
                 occupations = 'smearing' ,
                     degauss = 0.05 ,
                    smearing = 'methfessel-paxton' ,
    la2F = .true.,
 /
 &ELECTRONS
    conv_thr =  1.0d-8
    mixing_beta = 0.7
 /
ATOMIC_SPECIES
 Al  26.98 Al.vbc.UPF
ATOMIC_POSITIONS
 Al 0.00 0.00 0.00
K_POINTS {automatic}
 16 16 16  0 0 0

OUTPUT:
     Program PWSCF v.5.0.1 starts on 24Sep2012 at 15:48:43
     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.php
     Parallel version (MPI), running on    32 processors
     R & G space division:  proc/pool =   32
     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
     Waiting for input...
     Reading input from standard input
     Subspace diagonalization in iterative solution of the eigenvalue problem:
     a serial algorithm will be used
     Parallelization info
     --------------------
     sticks:   dense  smooth     PW     G-vecs:    dense   smooth      PW
     Min           3       3      1                   25       25       6
     Max           4       4      2                   29       29       8
     Sum         121     121     55                  869      869     229
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     Message from routine sym_rho_init:
     likely internal error: no G-vectors found
     bravais-lattice index     =            2
     lattice parameter (alat)  =       7.5000  a.u.
     unit-cell volume          =     105.4688 (a.u.)^3
     number of atoms/cell      =            1
     number of atomic types    =            1
     number of electrons       =         3.00
     number of Kohn-Sham states=            6
     kinetic-energy cutoff     =      15.0000  Ry
     charge density cutoff     =      60.0000  Ry
     convergence threshold     =      1.0E-08
     mixing beta               =       0.7000
     number of iterations used =            8  plain     mixing
     Exchange-correlation      =  SLA  PZ   NOGX NOGC ( 1 1 0 0 0)
     EXX-fraction              =        0.00
     celldm(1)=   7.500000  celldm(2)=   0.000000  celldm(3)=   0.000000
     celldm(4)=   0.000000  celldm(5)=   0.000000  celldm(6)=   0.000000
     crystal axes: (cart. coord. in units of alat)
               a(1) = (  -0.500000   0.000000   0.500000 )
               a(2) = (   0.000000   0.500000   0.500000 )
               a(3) = (  -0.500000   0.500000   0.000000 )
     reciprocal axes: (cart. coord. in units 2 pi/alat)
               b(1) = ( -1.000000 -1.000000  1.000000 )
               b(2) = (  1.000000  1.000000  1.000000 )
               b(3) = ( -1.000000  1.000000 -1.000000 )
     PseudoPot. # 1 for Al read from file:
     /app2/espresso/pseudo/Al.vbc.UPF
     MD5 check sum: c34c8b369e81ee50c191f4345b5f621b
     Pseudo is Norm-conserving, Zval =  3.0
     Generated by new atomic code, or converted to UPF format
     Using radial grid of  171 points,  2 beta functions with:
                l(1) =   0
                l(2) =   1
     atomic species   valence    mass     pseudopotential
        Al             3.00    26.98000     Al( 1.00)
     48 Sym. Ops., with inversion, found
   Cartesian axes
     site n.     atom                  positions (alat units)
         1           Al  tau(   1) = (   0.0000000   0.0000000   0.0000000  )
     number of k points=   145  Methfessel-Paxton smearing, width (Ry)=  0.0500
     Number of k-points >= 100: set verbosity='high' to print them.
     Dense  grid:      869 G-vectors     FFT dimensions: (  15,  15,  15)
     Largest allocated arrays     est. size (Mb)     dimensions
        Kohn-Sham Wavefunctions         0.00 Mb     (      6,    6)
        NL pseudopotentials             0.00 Mb     (      6,    4)
        Each V/rho on FFT grid          0.00 Mb     (    225)
        Each G-vector array             0.00 Mb     (     26)
        G-vector shells                 0.00 Mb     (     18)
     Largest temporary arrays     est. size (Mb)     dimensions
        Auxiliary wavefunctions         0.00 Mb     (      6,   24)
        Each subspace H/S matrix        0.01 Mb     (  24,  24)
        Each <psi_i|beta_j> matrix      0.00 Mb     (      4,    6)
        Arrays for rho mixing           0.03 Mb     (    225,   8)
     writing wfc files to a dedicated directory
     Initial potential from superposition of free atoms
     starting charge    2.99794, renormalised to    3.00000
     Starting wfc are    9 randomized atomic wfcs
     total cpu time spent up to now is        0.3 secs
     per-process dynamical memory:     0.8 Mb
     Self-consistent Calculation
     iteration #  1     ecut=    15.00 Ry     beta=0.70
     Davidson diagonalization with overlap
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     Error in routine cdiaghg (31):
     S matrix not positive definite
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     stopping ...
Application 1984917 exit codes: 134
Application 1984917 resources: utime ~1s, stime ~1s

Thank you for your time,
J. Wohlwend
 
Universal Technology Corporation 		 	   		  
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