[Mesa-users] Segfault when running tutorial

[Karen Pease]

[meme at chmmr tutorial]$ ./rn
DATE: 2018-10-28
TIME: 20:27:32
                                        version_number       10398
read inlist_project


The terminal output contains the following information

     'step' is the number of steps since the start of the run,
     'lg_dt' is log10 timestep in years,
     'age_yr' is the simulated years since the start run,
     'lg_Tcntr' is log10 center temperature (K),
     'lg_Dcntr' is log10 center density (g/cm^3),
     'lg_Pcntr' is log10 center pressure (ergs/cm^3),
     'Teff' is the surface temperature (K),
     'lg_R' is log10 surface radius (Rsun),
     'lg_L' is log10 surface luminosity (Lsun),
     'lg_LH' is log10 total PP and CNO hydrogen burning power (Lsun),
     'lg_L3a' is log10 total triple-alpha helium burning power (Lsun),
     'lg_LZ' is log10 total burning power excluding LH and L3a and
photodisintegrations (Lsun),
     'lg_LNuc' is log10 nuclear power excluding photodisintegration (Lsun),
     'lg_LNeu' is log10 total neutrino power (Lsun),
     'lg_Psurf' is log10 surface pressure (gas + radiation),
     'Mass' is the total stellar baryonic mass (Msun),
     'lg_Mdot' is log10 magnitude of rate of change of mass (Msun/year),
     'lg_Dsurf' is log10 surface density (g/cm^3),
     'H_env' is the amount of mass where H is the most abundant iso,
     'He_core' is the largest mass where He is most abundant iso.
     'C_core' is the largest mass where C is most abundant iso.
     'H_cntr' is the center H1 mass fraction,
     'He_cntr' is the center He4 mass fraction,
     'C_cntr' is the center C12 mass fraction,
     'N_cntr' is the center N14 mass fraction,
     'O_cntr' is the center O16 mass fraction,
     'Ne_cntr' is the center Ne20 mass fraction,
     'X_avg' is the star average hydrogen mass fraction,
     'Y_avg' is the star average helium mass fraction,
     'Z_avg' is the star average metallicity,
     'gam_cntr' is the center plasma interaction parameter,
     'eta_cntr' is the center electron degeneracy parameter,
     'zones' is the number of zones in the current model,
     'iters' is the number of newton iterations for the current step,
     'retry' is the number of step retries required during the run,
     'bckup' is the number of step backups required during the run,
     'dt_limit' is an indication of what limited the timestep.

All this and more are saved in the LOGS directory during the run.
create pre-main-sequence model
use_eosPTEH_for_low_density T
use_eosPTEH_for_high_Z T
                                         species  mass           8
   1.5000000000000000D+01
read /scratch/MESA/data/eosDT_data/mesa-eosPTEH_z0.02_x0.7.data
write /scratch/MESA/data/eosDT_data/cache/mesa-eosPTEH_z0.02_x0.7.bin

                                       relax_num_steps

      retry log10(dt/yr), log10(dt), retry_factor     1     1
      -5.602060        1.897052        0.500000
first model is slow to converge: num tries          70
first model is slow to converge: num tries          80
first model is slow to converge: num tries          90
first model is slow to converge: num tries         100
first model is slow to converge: num tries         110
first model is slow to converge: num tries         120
first model is slow to converge: num tries         130
         1   5.479739   3327.593 -21.749180 -21.749180  15.000000
 15.000000   0.700000   0.001008   0.280000   0.700000 -12.925080   1077
     1
 -5.301030  -5.414822   2.521541 -99.000000 -23.147049 -99.000000
  0.000000   0.280000   0.009360   0.020000   0.280000   0.013156    137
     0
5.0000E-06   8.245848   4.085084 -99.000000   3.083430  -8.231930
  0.000000   0.003442   0.002099  2.000E-02  2.000E-02  0.290E+04
        retry


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

Backtrace for this error:
#0  0x7f28c0a93a7f in ???
#1  0x54313f in do_history_info
       at ../private/history.f90:383
#2  0x54ec64 in get_hist_values
       at /scratch/MESA/star/make/pgstar.f90:1641
#3  0x54ec64 in __pgstar_MOD_update_pgstar_data
       at /scratch/MESA/star/make/pgstar.f90:1619
#4  0x589662 in __relax_MOD_do_internal_evolve
       at ../private/relax.f90:3838
#5  0x58a95b in __relax_MOD_do_relax_num_steps
       at ../private/relax.f90:3243
#6  0x599eac in model_builder
       at ../private/init.f90:1282
#7  0x59abd4 in __init_MOD_create_pre_ms_model
       at ../private/init.f90:1041
#8  0x41a6e8 in __star_lib_MOD_star_create_pre_ms_model
       at ../public/star_lib.f90:372
#9  0x42b740 in __run_star_support_MOD_do_load1_star
       at ../job/run_star_support.f90:1800
#10  0x431bca in __run_star_support_MOD_before_evolve_loop
       at ../job/run_star_support.f90:325
#11  0x432438 in __run_star_support_MOD_run1_star
       at ../job/run_star_support.f90:98
#12  0x416ad0 in __run_star_MOD_do_run_star
       at /scratch/MESA/star/job/run_star.f:26
#13  0x416b73 in run
       at ../src/run.f:16
#14  0x416baa in main
       at ../src/run.f:2
./rn: line 9: 14112 Segmentation fault      (core dumped) ./star
DATE: 2018-10-28
TIME: 20:33:21

[meme at chmmr tutorial]$ echo $MESA_DIR
/scratch/MESA
[meme at chmmr tutorial]$ echo $MESASDK_ROOT
/scratch/mesasdk
[meme at chmmr tutorial]$ /scratch/mesasdk/bin/mesasdk_version.sh
x86_64-linux-20181007

Since this is "right out of the box", any suggestions on what I should
try?  Obviously (since I'm working on the tutorial) I'm totally new to
MESA  :)

 - kv, Karen
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