[QE-users] bugs in running NEB in QE 6.8

Jibiao Li jibiaoli at foxmail.com
Sat Aug 28 08:44:47 CEST 2021


Dear QE developer,


Here I am reporting a bug in neb. It exits in QE6.8 and the developer version rather than the old versions. The problem is the output file stopped at the first iteration and did not get updated, though the calculations were still running. Moreover, the processes can not be killed by the command "kill" +PID. What's the way out?
(I am using the latest oneAPI environment for the FORTRAN compiler and parallel environment . )



... ...
    string_method                 =    neb 
     restart_mode                  =    from_scratch 
     opt_scheme                    =    broyden 
     num_of_images                 =    9 
     nstep_path                    =    198 
     CI_scheme                     =    auto 
     first_last_opt                =    T 
     use_freezing                  =    F 
     ds                            =    1.0000 a.u. 
     k_max                         =    0.7000 a.u. 
     k_min                         =    0.1000 a.u. 
     suggested k_max               =    0.6169 a.u. 
     suggested k_min               =    0.0881 a.u. 
     path_thr                      =    0.0500 eV / A 
 
     ------------------------------ iteration  1 ------------------------------ 

     tcpu =      0.6    self-consistency for image   1





ufu.neb.inp:
BEGIN 
BEGIN_PATH_INPUT 
&PATH 
  restart_mode      = 'from_scratch', 
  string_method     = 'neb', 
  nstep_path        = 198, 
  ds                = 1.D0, 
  opt_scheme        = 'broyden', 
  first_last_opt    = .TRUE., 
  num_of_images     = 9, 
  k_max             = 0.7D0, 
  k_min             = 0.1D0, 
  CI_scheme         = 'auto', 
/ 
END_PATH_INPUT 
BEGIN_ENGINE_INPUT 
&CONTROL 
  prefix         = 'ufu', 
  outdir         = './', 
                  pseudo_dir = '/home/jibiaoli/pseudo/PAW' , 
/ 
&SYSTEM 
                       ibrav = 6, 
                   celldm(1) = 19.312063827, 
                   celldm(3) = 2.4, 
                         nat = 48, 
                        ntyp = 3, 
                     ecutwfc = 45 , 
                     ecutrho = 491 , 
                   input_dft = 'sla+pw+ggx+vdw1' , 
                 occupations = 'smearing' , 
                     degauss = 0.02D0 , 
                    smearing = 'methfessel-paxton' , 
/ 
&ELECTRONS 
             electron_maxstep = 299, 
                 mixing_beta = 0.2D0 , 
             diagonalization = 'david' , 
/ 
ATOMIC_SPECIES 
    O   15.99900  O.pbe-n-kjpaw_psl.1.0.0.UPF  
    H    1.00790  H.pbe-kjpaw_psl.1.0.0.UPF 
   Li    6.94100  Li.pbe-sl-kjpaw_psl.1.0.0.UPF 
BEGIN_POSITIONS 
FIRST_IMAGE 
ATOMIC_POSITIONS angstrom 
H             1.7032500000        2.6019899930        8.7397927326 
O             1.7032500000        3.4065000000        8.1600637482 
H             1.7032500000        4.2110100070        8.7397927326 
Li            0.0000945099       -0.0671745047        6.8706341140 
Li            0.1189610012        3.4065000000        6.9025883303 
Li            0.0000945099        6.8801745047        6.8706341140 
Li            3.4064054901       -0.0671745047        6.8706341140 
Li            3.2875389988        3.4065000000        6.9025883303 
Li            3.4064054901        6.8801745047        6.8706341140 
Li            6.8130000000       -0.0092361609        6.8724083106 
Li            6.8130000000        3.4065000000        6.9029237449 
Li            6.8130000000        6.8222361609        6.8724083106 
Li            1.7032500000        1.6321265359        5.0173582231 
Li            1.7032500000        5.1808734641        5.0173582231 
Li            1.7032500000        8.5162500000        5.0640857671 
Li            5.0786783791        1.7203557491        5.1167513492 
Li            5.0786783791        5.0926442509        5.1167513492 
Li            5.1162073197        8.5162500000        5.0650139710 
Li            8.5473216209        1.7203557491        5.1167513492 
Li            8.5473216209        5.0926442509        5.1167513492 
Li            8.5097926803        8.5162500000        5.0650139710 
Li            0.0000000000        0.0000000000        3.4065000000    0   0   0 
Li            0.0000000000        3.4065000000        3.4065000000    0   0   0 
Li            0.0000000000        6.8130000000        3.4065000000    0   0   0 
Li            3.4065000000        0.0000000000        3.4065000000    0   0   0 
Li            3.4065000000        3.4065000000        3.4065000000    0   0   0 
Li            3.4065000000        6.8130000000        3.4065000000    0   0   0 
Li            6.8130000000        0.0000000000        3.4065000000    0   0   0 
Li            6.8130000000        3.4065000000        3.4065000000    0   0   0 
Li            6.8130000000        6.8130000000        3.4065000000    0   0   0 
Li            1.7032500000        1.7032500000        1.7032500000    0   0   0 
Li            1.7032500000        5.1097500000        1.7032500000    0   0   0 
Li            1.7032500000        8.5162500000        1.7032500000    0   0   0 
Li            5.1097500000        1.7032500000        1.7032500000    0   0   0 
Li            5.1097500000        5.1097500000        1.7032500000    0   0   0 
Li            5.1097500000        8.5162500000        1.7032500000    0   0   0 
Li            8.5162500000        1.7032500000        1.7032500000    0   0   0 
Li            8.5162500000        5.1097500000        1.7032500000    0   0   0 
Li            8.5162500000        8.5162500000        1.7032500000    0   0   0 
Li            0.0000000000        0.0000000000        0.0000000000    0   0   0 
Li            0.0000000000        3.4065000000        0.0000000000    0   0   0 
Li            0.0000000000        6.8130000000        0.0000000000    0   0   0 
Li            3.4065000000        0.0000000000        0.0000000000    0   0   0 
Li            3.4065000000        3.4065000000        0.0000000000    0   0   0 
Li            3.4065000000        6.8130000000        0.0000000000    0   0   0 
Li            6.8130000000        0.0000000000        0.0000000000    0   0   0 
Li            6.8130000000        3.4065000000        0.0000000000    0   0   0 
Li            6.8130000000        6.8130000000        0.0000000000    0   0   0 
INTERMEDIATE_IMAGE 
ATOMIC_POSITIONS angstrom 
H             4.1880286210        4.2303611703        9.1648473150 
O             3.4059936087        3.7135636395        8.8787627733 
H             2.6243240118        4.2314069085        9.1636936586 
Li            0.0015350623        0.0042154632        6.8580126560 
Li           -0.0798460756        3.4008324529        6.8242103879 
Li            0.0020913327        6.8089091857        6.8876707504 
Li            3.4065308337       -0.0630190645        6.8500462444 
Li            3.4066274524        3.3070893499        7.0061364927 
Li            3.4065037515        6.8846349854        6.8416610168 
Li            6.8114362533        0.0042482546        6.8580497403 
Li            6.8930292978        3.4007964966        6.8241014552 
Li            6.8109262564        6.8088847720        6.8877383018 
Li            1.7029437256        1.6988797250        5.0687235469 
Li            1.7063000500        5.0983186318        5.1038437734 
Li            1.6911399936        8.5090607992        5.0791124289 
Li            5.1101414293        1.6988428867        5.0686918751 
Li            5.1067369440        5.0983439681        5.1037686027 
Li            5.1218619226        8.5090656953        5.0790587690 
Li            8.5163339760        1.6872654558        5.0552704570 
Li            8.5163314435        5.1307764554        5.0744493612 
Li            8.5162568364        8.5108246112        5.0819676798 
Li            0.0000000000        0.0000000000        3.4065000000    0   0   0 
Li            0.0000000000        3.4065000000        3.4065000000    0   0   0 
Li            0.0000000000        6.8130000000        3.4065000000    0   0   0 
Li            3.4065000000        0.0000000000        3.4065000000    0   0   0 
Li            3.4065000000        3.4065000000        3.4065000000    0   0   0 
Li            3.4065000000        6.8130000000        3.4065000000    0   0   0 
Li            6.8130000000        0.0000000000        3.4065000000    0   0   0 
Li            6.8130000000        3.4065000000        3.4065000000    0   0   0 
Li            6.8130000000        6.8130000000        3.4065000000    0   0   0 
Li            1.7032500000        1.7032500000        1.7032500000    0   0   0 
Li            1.7032500000        5.1097500000        1.7032500000    0   0   0 
Li            1.7032500000        8.5162500000        1.7032500000    0   0   0 
Li            5.1097500000        1.7032500000        1.7032500000    0   0   0 
Li            5.1097500000        5.1097500000        1.7032500000    0   0   0 
Li            5.1097500000        8.5162500000        1.7032500000    0   0   0 
Li            8.5162500000        1.7032500000        1.7032500000    0   0   0 
Li            8.5162500000        5.1097500000        1.7032500000    0   0   0 
Li            8.5162500000        8.5162500000        1.7032500000    0   0   0 
Li            0.0000000000        0.0000000000        0.0000000000    0   0   0 
Li            0.0000000000        3.4065000000        0.0000000000    0   0   0 
Li            0.0000000000        6.8130000000        0.0000000000    0   0   0 
Li            3.4065000000        0.0000000000        0.0000000000    0   0   0 
Li            3.4065000000        3.4065000000        0.0000000000    0   0   0 
Li            3.4065000000        6.8130000000        0.0000000000    0   0   0 
Li            6.8130000000        0.0000000000        0.0000000000    0   0   0 
Li            6.8130000000        3.4065000000        0.0000000000    0   0   0 
Li            6.8130000000        6.8130000000        0.0000000000    0   0   0 
LAST_IMAGE 
ATOMIC_POSITIONS angstrom  
H             5.1097500000        4.2107968180        8.7400241937 
O             5.1097500000        3.4065000000        8.1600376966 
H             5.1097500000        2.6022031820        8.7400241937 
Li            0.0000000000       -0.0092349236        6.8725299952 
Li            0.0000000000        3.4065000000        6.9028611154 
Li            0.0000000000        6.8222349236        6.8725299952 
Li            3.4065972434       -0.0671808805        6.8707740388 
Li            3.5253810253        3.4065000000        6.9027103228 
Li            3.4065972434        6.8801808805        6.8707740388 
Li            6.8129027566       -0.0671808805        6.8707740388 
Li            6.6941189747        3.4065000000        6.9027103228 
Li            6.8129027566        6.8801808805        6.8707740388 
Li            1.7343390531        1.7204130087        5.1167734558 
Li            1.7343390531        5.0925869913        5.1167734558 
Li            1.6967519133        8.5162500000        5.0649404073 
Li            5.1097500000        1.6320458311        5.0174213869 
Li            5.1097500000        5.1809541689        5.0174213869 
Li            5.1097500000        8.5162500000        5.0642051386 
Li            8.4851609469        1.7204130087        5.1167734558 
Li            8.4851609469        5.0925869913        5.1167734558 
Li            8.5227480867        8.5162500000        5.0649404073 
Li            0.0000000000        0.0000000000        3.4065000000    0   0   0 
Li            0.0000000000        3.4065000000        3.4065000000    0   0   0 
Li            0.0000000000        6.8130000000        3.4065000000    0   0   0 
Li            3.4065000000        0.0000000000        3.4065000000    0   0   0 
Li            3.4065000000        3.4065000000        3.4065000000    0   0   0 
Li            3.4065000000        6.8130000000        3.4065000000    0   0   0 
Li            6.8130000000        0.0000000000        3.4065000000    0   0   0 
Li            6.8130000000        3.4065000000        3.4065000000    0   0   0 
Li            6.8130000000        6.8130000000        3.4065000000    0   0   0 
Li            1.7032500000        1.7032500000        1.7032500000    0   0   0 
Li            1.7032500000        5.1097500000        1.7032500000    0   0   0 
Li            1.7032500000        8.5162500000        1.7032500000    0   0   0 
Li            5.1097500000        1.7032500000        1.7032500000    0   0   0 
Li            5.1097500000        5.1097500000        1.7032500000    0   0   0 
Li            5.1097500000        8.5162500000        1.7032500000    0   0   0 
Li            8.5162500000        1.7032500000        1.7032500000    0   0   0 
Li            8.5162500000        5.1097500000        1.7032500000    0   0   0 
Li            8.5162500000        8.5162500000        1.7032500000    0   0   0 
Li            0.0000000000        0.0000000000        0.0000000000    0   0   0 
Li            0.0000000000        3.4065000000        0.0000000000    0   0   0 
Li            0.0000000000        6.8130000000        0.0000000000    0   0   0 
Li            3.4065000000        0.0000000000        0.0000000000    0   0   0 
Li            3.4065000000        3.4065000000        0.0000000000    0   0   0 
Li            3.4065000000        6.8130000000        0.0000000000    0   0   0 
Li            6.8130000000        0.0000000000        0.0000000000    0   0   0 
Li            6.8130000000        3.4065000000        0.0000000000    0   0   0 
Li            6.8130000000        6.8130000000        0.0000000000    0   0   0 
END_POSITIONS 
K_POINTS automatic  
  4 4 1   0 0 0  
END_ENGINE_INPUT 
END



Dr. Jibiao Li, 
Department of Material Science and Engineering
Yangtze Normal University
Juxian Dadao 16#, Fuling, Chongqing, China
Email: jibiaoli at yznu.edu.cn, jibiaoli at foxmail.com, jibiao.li at hotmail.com
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