Hi<br><br>I have been trying to run WRF with 5 domains. Even though the real.exe runs successfully, the following errors come for the inner most domain the the mpi run exited. The errors are like as follows:<br>--------------------------------------------------------------------------------------------------------------------------------------------<br>
forrtl: severe (174): SIGSEGV, segmentation fault occurred<br>Image              PC                Routine            Line        Source<br>wrf.exe            00000000017CA776  Unknown               Unknown  Unknown<br>wrf.exe            00000000017C5596  Unknown               Unknown  Unknown<br>
wrf.exe            00000000017C264D  Unknown               Unknown  Unknown<br>wrf.exe            00000000017C0BDE  Unknown               Unknown  Unknown<br>wrf.exe            000000000130E1E5  Unknown               Unknown  Unknown<br>
wrf.exe            0000000001449223  Unknown               Unknown  Unknown<br>wrf.exe            0000000000D94E41  Unknown               Unknown  Unknown<br>wrf.exe            0000000000C1793A  Unknown               Unknown  Unknown<br>
wrf.exe            00000000004D5D4A  Unknown               Unknown  Unknown<br>wrf.exe            00000000004D60CE  Unknown               Unknown  Unknown<br>wrf.exe            00000000004D60CE  Unknown               Unknown  Unknown<br>
wrf.exe            00000000004D60CE  Unknown               Unknown  Unknown<br>wrf.exe            00000000004850B5  Unknown               Unknown  Unknown<br>-------------------------------------------------------------------------------------------------------------------------------------- <br>
<br>For your reference I am sending the namelist options:<br><br>&amp;time_control<br>run_days                 = 0,<br>run_hours                = 48,<br>run_minutes              = 0,<br>run_seconds              = 0,<br>start_year               = 2008,   2008,   2008,   2008,   2008,<br>
start_month              = 04,       04,     04,     04,     04,<br>start_day                = 02,       02,     02,     02,     02,<br>start_hour               = 00,       00,     00,     00,     00,<br>start_minute             = 00,       00,     00,     00,     00,<br>
start_second             = 00,       00,     00,     00,     00,<br>end_year                 = 2008,   2008,   2008,   2008,   2008,<br>end_month                = 04,       04,     04,     04,     04,<br>end_day                  = 03,       03,     03,     03,     03,<br>
end_hour                 = 00,       00,     00,     00,     00,<br>end_minute               = 00,       00,     00,     00,     00,<br>end_second               = 00,       00,     00,     00,     00,<br>interval_seconds         = 21600,<br>
input_from_file          = .true.,.true.,.true.,.true.,.true.,<br>history_interval         = 180,      60,     60,     60,     60,<br>frames_per_outfile       = 1000,   1000,   1000,   1000,   1000,<br>restart                  = .false.,<br>
restart_interval         = 5000,<br>io_form_history          = 2,<br>io_form_restart          = 2,<br>io_form_input            = 2,<br>io_form_boundary         = 2,<br>debug_level              = 0,<br>/<br>&amp;domains<br>
time_step                = 90,<br>time_step_fract_num      = 0,<br>time_step_fract_den      = 0,<br>max_dom                  = 5,<br>e_we                     = 101,     136,    187,    265,    301,<br>e_sn                     = 107,     145,    199,    283,    301,<br>
e_vert                   = 71,       71,     71,     71,     71,<br>p_top_requested          = 5000.0,<br>num_metgrid_levels       = 27,<br>num_metgrid_soil_levels  = 4,<br>dx                       = 27000,  9000,   3000,   1000,    500,<br>
dy                       = 27000,  9000,   3000,   1000,    500,<br>grid_id                  = 1,         2,      3,      4,      5,<br>parent_id                = 1,         1,      2,      3,      4,<br>i_parent_start           = 1,        27,     36,     50,     56,<br>
j_parent_start           = 1,        31,     41,     61,     51,<br>parent_grid_ratio        = 1,         3,      3,      3,      2,<br>parent_time_step_ratio   = 1,         3,      3,      2,      5,<br>p_top_requested          = 5000<br>
feedback                 = 1,<br>smooth_option            = 1,<br>eta_levels               = 1.000, 0.9988, 0.9975, 0.9963, 0.995,<br>                           0.9938, 0.9926, 0.9913, 0.9901, 0.9889,<br>                           0.9876, 0.9864, 0.9849, 0.9831, 0.9809,<br>
                           0.9783, 0.9752, 0.9715, 0.9672, 0.9622,<br>                           0.9564, 0.9497, 0.9419, 0.9329, 0.9227,<br>                           0.911, 0.8977, 0.8828, 0.8661, 0.8474,<br>                           0.8267, 0.804, 0.7793, 0.7425, 0.7032,<br>
                           0.6574, 0.6127, 0.5571, 0.5048, 0.4487,<br>                           0.413, 0.3781, 0.3442, 0.3115, 0.2802,<br>                           0.2505, 0.2225, 0.1961, 0.1792, 0.1692,<br>                           0.1579, 0.1466, 0.1363, 0.1261, 0.1168,<br>
                           0.1076, 0.0993, 0.0909, 0.0834, 0.0758,<br>                           0.0691, 0.0623, 0.0562, 0.0501, 0.0392,<br>                           0.0295, 0.0208, 0.0131, 0.0061, 0.003,<br>                           0.000,<br>
/<br><br>&amp;physics<br>mp_physics               = 5,     5,     5,     5,     5,<br>ra_lw_physics            = 1,     1,     1,     1,     1,<br>ra_sw_physics            = 1,     1,     1,     1,     1,<br>radt                     = 30    30,    30,    30,    30,<br>
sf_sfclay_physics        = 2,     2,     2,     2,     2,<br>sf_surface_physics       = 2,     2,     2,     2,     2,<br>sf_urban_physics         = 0,     0,     0,     0,     0,<br>bl_pbl_physics           = 2,     2,     2,     2,     2,<br>
bldt                     = 0,     0,     0,     0,     0,<br>cu_physics               = 2,     2,     2,     2,     2,<br>cudt                     = 5,     5,     5,     5,     5,<br>isfflx                   = 1,<br>ifsnow                   = 0,<br>
icloud                   = 1,<br>surface_input_source     = 1,<br>num_soil_layers          = 4,<br>maxiens                  = 1,<br>maxens                   = 3,<br>maxens2                  = 3,<br>maxens3                  = 16,<br>
ensdim                   = 144,<br>/<br><br>&amp;fdda<br>/<br><br>&amp;dynamics<br>w_damping                = 0,<br>diff_opt                 = 1,<br>km_opt                   = 4,<br>diff_6th_opt             = 0,<br>base_temp                = 290.,<br>
damp_opt                 = 3,<br>zdamp                    = 5000.,    5000.,   5000.,   5000.,   5000.,<br>dampcoef                 = 0.01,      0.01,    0.01,    0.01,    0.01,<br>khdif                    = 0,            0,       0,       0,       0,<br>
kvdif                    = 0,            0,       0,       0,       0,<br>non_hydrostatic          = .true.,  .true.,  .true.,  .true.,  .true.,<br>moist_adv_opt            = 1,            1,       1,       1,       1,<br>
scalar_adv_opt           = 1,            1,       1,       1,       1,<br>/<br><br>&amp;bdy_control<br>spec_bdy_width           = 5,<br>spec_zone                = 1,<br>relax_zone               = 4,<br>specified                = .true.,   .false.,  .false.,  .false.,  .false.,<br>
nested                   = .false.,   .true.,   .true.,   .true.,   .true.,<br>/<br><br>&amp;grib2<br>/<br><br>&amp;namelist_quilt<br>nio_tasks_per_group      = 0,<br>nio_groups               = 1,<br>/<br>                                            <br>
<br>Please suggest how I can overcome the problem.<br>