[Mesa-users] Failed with STOP op_load

Kuldeep Verma kuldeepv89 at gmail.com
Wed Feb 7 11:21:44 EST 2018

Dear All,

I recently installed mesa-r10108 on a Linux cluster successfully. I ran few
test_suite cases without any problem (specifically, example_solar_model and
example_astero). The run failed for the test_suite case
radiative_levitation with the following error message:

                                         version_number       10108
 read inlist_radiative_levitation
 extras_controls set pointer to set_op_mono_factors
 eosDT_use_linear_interp_for_X T
load saved model sdb.mod

 reading OP cache file OP4STARS_1.3/mono/op_mono_cache.bin
 done reading OP cache file
 failed in reading cache file

I have attached the inlist with the email (you need to download the op mono
opacity from https://sourceforge.net/projects/mesa/files/ if you want to
run it). The following are the only two lines that I changed in the inlist:
         op_mono_data_path = 'OP4STARS_1.3/mono'
         op_mono_data_cache_filename = 'OP4STARS_1.3/mono/op_mono_cache.bin'

Let me add that I can run the radiative_levitation test case with
mesa-r10108 on my PC. It fails only on the cluster. The following is the
piece of code from mesa-r10108/kap/private/op_load.f where it fails

      ios = 0
     >         status='old',iostat=ios,form='unformatted')
      if (ios == 0) then
         write(*,*) 'reading OP cache file ' // trim(cache_filename)
         read(1,iostat=ios) ntotv,dv,dv1,umesh,
ite1,ite2,ite3,jn1,jn2,jne3,umin,umax,ntotp,nc,nf,int,epatom,oplnck, ne1p,
     >      ne2p,fionp,np,kp1,kp2,kp3,npp,mx,yy1,yy2,nx,yx
         write(*,*) 'done reading OP cache file'
         if (ios == 0) then
            have_loaded_op = .true.
            goto 1001
         end if
         write(*,*) 'failed in reading cache file'
         stop 'op_load'
      end if

I tried printing the variable ios without any success (I added "write(*,*)
ios" just before stop statement; cd mesa-r10108/kap/; ./clean; ./mk;
./export). Can someone help me printout this variable, please? Any insight
on what may be going on would be highly appreciated.

Best wishes,
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