[Wrf-users] SIGSEGV: Segmentation fault - invalid memory reference.

Mauro Cassani mauro.cassani at silicondev.it
Thu May 28 04:33:44 MDT 2015


Hi guys,

please help me!!!....

I have a problem running wrf.exe .

I paste the final lines of rsl.error.0000:




CODE:
<http://forum.wrfforum.com/viewtopic.php?f=6&t=8939&sid=807f498f6e4e6ccd519f
ace8b1f770a4> SELECT ALL

d03 2015-05-18_06:21:36            2  points exceeded cfl=2 in domain d03 at
time 2015-05-18_06:21:36 hours
d03 2015-05-18_06:21:36  MAX AT i,j,k:          145          40          26
vert_cfl,w,d(eta)=   2.02072406       2.35066104       1.49673410E-02
d03 2015-05-18_06:21:36          334  points exceeded cfl=2 in domain d03 at
time 2015-05-18_06:21:36 hours
d03 2015-05-18_06:21:36  MAX AT i,j,k:           29           1          25
vert_cfl,w,d(eta)=   6.90812683       4.85791969       1.75897405E-02
d03 2015-05-18_06:21:36            4  points exceeded cfl=2 in domain d03 at
time 2015-05-18_06:21:36 hours
d03 2015-05-18_06:21:36  MAX AT i,j,k:           15         110          20
vert_cfl,w,d(eta)=   2.10974669      0.502937138       3.59381437E-02
Timing for main: time 2015-05-18_06:22:12 on domain   3:    3.43887 elapsed
seconds
d03 2015-05-18_06:22:12          198  points exceeded cfl=2 in domain d03 at
time 2015-05-18_06:22:12 hours
d03 2015-05-18_06:22:12  MAX AT i,j,k:           27           3          25
vert_cfl,w,d(eta)=   17.0072193       179.645950       1.75897405E-02
d03 2015-05-18_06:22:12          317  points exceeded cfl=2 in domain d03 at
time 2015-05-18_06:22:12 hours
d03 2015-05-18_06:22:12  MAX AT i,j,k:           27           2          24
vert_cfl,w,d(eta)=   71.1212082       620.884277       2.06716061E-02
Timing for main: time 2015-05-18_06:22:48 on domain   3:    3.37094 elapsed
seconds

Program received signal SIGSEGV: Segmentation fault - invalid memory
reference.

Backtrace for this error:
#0  0x7F0302F220F7
#1  0x7F0302F226D4
#2  0x7F030266D49F
#3  0x25AF54C in __module_cu_kfeta_MOD_kf_eta_para
#4  0x25CCE9C in __module_cu_kfeta_MOD_kf_eta_cps
#5  0x1E9D07F in __module_cumulus_driver_MOD_cumulus_driver
#6  0x16BB31F in __module_first_rk_step_part1_MOD_first_rk_step_part1
#7  0x10A1E9F in solve_em_
#8  0xF9D005 in solve_interface_
#9  0x467BEA in __module_integrate_MOD_integrate
#10  0x468021 in __module_integrate_MOD_integrate
#11  0x4060A3 in __module_wrf_top_MOD_wrf_run



This is my namelist.input:




CODE:
<http://forum.wrfforum.com/viewtopic.php?f=6&t=8939&sid=807f498f6e4e6ccd519f
ace8b1f770a4> SELECT ALL

 &time_control
 run_days                            = 0,
 run_hours                           = 18,
 run_minutes                         = 0,
 run_seconds                         = 0,
 start_year                          = 2015,2015,2015,
 start_month                         = 05,05,05,
 start_day                           = 18,18,18,
 start_hour                          = 00,00,00,
 start_minute                        = 00,00,00,
 start_second                        = 00,00,00,
 end_year                            = 2015,2015,2015,
 end_month                           = 05,05,05,
 end_day                             = 20,20,20,
 end_hour                            = 00,00,00,
 end_minute                          = 00,00,00,
 end_second                          = 00,00,00, 
 end_second                          = 00,00,00, 
 input_from_file                     = .true., .true., .true.,
 history_interval                    = 60,60,60,
 frames_per_outfile                  = 1, 1, 1,
 restart                             = .false.,
 restart_interval                    = 5000,
 io_form_history                     = 2
 io_form_restart                     = 2
 io_form_input                       = 2
 io_form_boundary                    = 2
 debug_level                         = 0
 history_outname                     = "./wrf_out/wrfout_d<domain>.<date>",
 auxinput1_inname                    =
"../wps_work/metgrid_out/met_em.d<domain>.<date>"
 /

 &domains                 
 time_step                = 180,
 time_step_fract_num      = 0,
 time_step_fract_den      = 1,
 max_dom                  = 3,
 e_we                     = 40,    146,      146,
 e_sn                     = 62,    146,      111,
 e_vert                   = 30,     30,       30,
 p_top_requested          = 5000,
 num_metgrid_levels       = 27,
 num_metgrid_soil_levels  = 4,
 dx                       = 10000,  2000.,   2000.,
 dy                       = 10000,  2000.,   2000.,
 grid_id                  = 1,        2,       3,
 parent_id                = 0,        1,       1,
 i_parent_start           = 1,        6,       6,
 j_parent_start           = 1,        6,      35,
 parent_grid_ratio        = 1,        5,       5,
 parent_time_step_ratio   = 1,        5,       5,
 feedback                 = 1,
 smooth_option            = 0,
 numtiles                 = 12,
 /

 &physics
 mp_physics                          = 4,4,4,
 ra_lw_physics                       = 1,1,1,
 ra_sw_physics                       = 1,1,1,
 radt                                = 10,10,10,
 sf_sfclay_physics                   = 2,2,2,
 sf_surface_physics                  = 2,2,2,
 bl_pbl_physics                      = 2,2,2,
 bldt                                = 0,0,0,
 cu_physics                          = 1,1,1,
 cudt                                = 0,0,0,
 cugd_avedx                          = 3,
 isfflx                              = 1,
 ifsnow                              = 0,
 icloud                              = 1,
 surface_input_source                = 1,
 num_soil_layers                     = 4,
 sf_urban_physics                    = 0,
 maxiens                             = 1,
 maxens                              = 3,
 maxens2                             = 3,
 maxens3                             = 16,
 ensdim                              = 144,
 /

 &fdda
 /

 &dynamics
 w_damping                           = 1,
 diff_opt                            = 1,
 km_opt                              = 4,
 diff_6th_opt                        = 0,0,0,
 diff_6th_factor                     = 0.12,0.12,0.12,
 base_temp                           = 290.,
 damp_opt                            = 0,
 zdamp                               = 5000.,5000.,5000.,
 dampcoef                            = 0.2,0.2,0.2,
 khdif                               = 0,0,0,
 kvdif                               = 0,0,0,
 non_hydrostatic                     = .true.,.true.,.true.,
 moist_adv_opt                       = 1,1,1,
 scalar_adv_opt                      = 1,1,1,
 /

 &bdy_control
 spec_bdy_width                      = 5,
 spec_zone                           = 1,
 relax_zone                          = 4,
 specified                           = .true.,.false.,.false.,
 nested                              = .false., .true., .true.,
 /

 &grib2
 /

 &namelist_quilt
 nio_tasks_per_group = 0,
 nio_groups = 1,
 /



I tried changing the value of timestep...I tried with 36, 60 and 180. The
result is the same: after 1 hour and one-half the wrf crashes.

I tried to remove the nested domains and run wrf.exe with only the main
domain: everything works fine.

Any ideas?...PLEASE HELP MEEE

Thank you in advance guys...

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