[Users] BNSM/TOV simulation error

Spandan Sarma 19306 spandan19 at iiserb.ac.in
Sun Mar 19 11:26:10 CDT 2023


Hello,

I was trying to run the BNSM simulation from the ET gallery on the
institute cluster KANAD at IISER Bhopal in the short queue (max nodes: 16;
walltime: 24 hrs) of our queuing system, but the following error came up:

The grid structure is inconsistent.  It is impossible to continue.

WARNING level 0 from host n16 process 0

  in thorn CarpetLib, file
/home2/shamims/ET_short1/Cactus/arrangements/Carpet/CarpetLib/src/dh.cc:2105:

  -> The grid structure is inconsistent.  It is impossible to continue.

cactus_sim:
/home2/shamims/ET_short1/Cactus/arrangements/Carpet/Carpet/src/helpers.cc:275:
int Carpet::Abort(const cGH*, int): Assertion `0' failed.

Rank 0 with PID 4473 received signal 6

Writing backtrace to nsnstohmns1/backtrace.0.txt

WARNING level 0 from host n63 process 128

  in thorn CarpetLib, file
/home2/shamims/ET_short1/Cactus/arrangements/Carpet/CarpetLib/src/dh.cc:2105:

  -> The grid structure is inconsistent.  It is impossible to continue.

cactus_sim:
/home2/shamims/ET_short1/Cactus/arrangements/Carpet/Carpet/src/helpers.cc:275:
int Carpet::Abort(const cGH*, int): Assertion `0' failed.

Rank 128 with PID 1350 received signal 6

Writing backtrace to nsnstohmns1/backtrace.128.txt

WARNING level 0 from host n63 process 141

  in thorn CarpetLib, file
/home2/shamims/ET_short1/Cactus/arrangements/Carpet/CarpetLib/src/dh.cc:2105:

  -> The grid structure is inconsistent.  It is impossible to continue.

cactus_sim:
/home2/shamims/ET_short1/Cactus/arrangements/Carpet/Carpet/src/helpers.cc:275:
int Carpet::Abort(const cGH*, int): Assertion `0' failed.


After this issue, I tried performing the simulation using the same
parameter file in the debug queue (max:1 node), and it worked fine. But
upon trying out the TOV simulation example in the debug queue, the same
error came:


[1mWARNING level 0 from host n85 process 0

  in thorn CarpetLib, file
/home2/shamims/ET_debug/Cactus/arrangements/Carpet/CarpetLib/src/dh.cc:2105:

  -> [0m The grid structure is inconsistent.  It is impossible to continue.

WARNING level 0 from host n85 process 0

  in thorn CarpetLib, file
/home2/shamims/ET_debug/Cactus/arrangements/Carpet/CarpetLib/src/dh.cc:2105:

  -> The grid structure is inconsistent.  It is impossible to continue.

cactus_sim:
/home2/shamims/ET_debug/Cactus/arrangements/Carpet/Carpet/src/helpers.cc:275:
int Carpet::Abort(const cGH*, int): Assertion `0' failed.


I am unable to understand what the issue is. I have attached parameter
files, the runscript, and the output files for both the simulations (TOV
and BNSM) for reference. Thanks in advance for the help.

Regards,
-- 
Spandan Sarma
BS-MS' 19
Department of Physics (4th Year),
IISER Bhopal
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