=== If no file names and line numbers are shown below, one can run addr2line -Cpfie my_exefile my_line_address to convert `my_line_address` (e.g., 0x4a6b) into file name and line number. Or one can use amrex/Tools/Backtrace/parse_bt.py. === Please note that the line number reported by addr2line may not be accurate. One can use readelf -wl my_exefile | grep my_line_address' to find out the offset for that line. 0: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x2cd586) [0x5627ab383586] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:163:29 1: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x2cd1d0) [0x5627ab3831d0] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x1a41bb) [0x5627ab25a1bb] amrex::ParallelDescriptor::Abort(int, bool) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.cpp:230:22 3: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x155075) [0x5627ab20b075] amrex::detail::Error_host_doit(char const*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:169:1 4: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x2c934) [0x5627ab0e2934] amrex::Error(char const*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.H:100:5 5: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x15af06) [0x5627ab210f06] amrex_fi_error /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_error_fi.cpp:9:5 6: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x571574) [0x5627ab627574] __amrex_error_module_MOD_amrex_error0 /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_error_mod.F90:41 7: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x6a72a9) [0x5627ab75d2a9] __castro_error_module_MOD_castro_error /raid/testing/castro-gfortran/Castro//Source/driver/Castro_error_nd.F90:12 8: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x7c8d80) [0x5627ab87ed80] probdata_init_ tmp_build_dir/castro_sources/2d.gnu.DEBUG.MPI.SMPLSDC.EXE/prob_params_auto.F90:488 9: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x53b2b6) [0x5627ab5f12b6] __problem_io_module_MOD_initialize_io /raid/testing/castro-gfortran/Castro//Exec/science/wdmerger/problem_io.f90:30 10: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x75d904) [0x5627ab813904] amrex_probinit /raid/testing/castro-gfortran/Castro//Exec/science/wdmerger/Prob_nd.F90:14 11: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34de9c) [0x5627ab403e9c] amrex::Amr::readProbinFile(int&) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1285:34 12: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34e2db) [0x5627ab4042db] amrex::Amr::InitializeInit(double, double, amrex::BoxArray const*, amrex::Vector > const*) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1361:13 13: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34e226) [0x5627ab404226] amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector > const*) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1336:19 14: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34da61) [0x5627ab403a61] amrex::Amr::init(double, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1210:13 15: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x8b137) [0x5627ab141137] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33 16: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fc8737371a3] __libc_start_main ??:0 17: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x1687e) [0x5627ab0cc87e] _start ??:0