=== 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: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x506b31] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39 1: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x508979] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x38600) [0x7f8a0f727600] __restore_rt ??:0 3: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x57c93f] __eos_type_module_MOD_composition /raid/testing/castro-gfortran/Castro//Microphysics/EOS/eos_type.F90:270 4: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x57b461] __eos_module_MOD_eos /raid/testing/castro-gfortran/Castro//Microphysics/EOS/eos.F90:156 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x631604] __sdc_vode_rhs_module_MOD_jac /raid/testing/castro-gfortran/Castro//Source/sdc/sdc_vode.F90:115 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x5ab0ce] __cuvode_dvjac_module_MOD_dvjac /raid/testing/castro-gfortran/Microphysics//integration/VODE90/cuVODE/source/cuvode_dvjac.F90:127 7: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x5adf2b] __cuvode_dvnlsd_module_MOD_dvnlsd /raid/testing/castro-gfortran/Microphysics//integration/VODE90/cuVODE/source/cuvode_dvnlsd.F90:157 8: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x5afc81] __cuvode_dvstep_module_MOD_dvstep /raid/testing/castro-gfortran/Microphysics//integration/VODE90/cuVODE/source/cuvode_dvstep.F90:254 9: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x5a5b94] __cuvode_module_MOD_dvode /raid/testing/castro-gfortran/Microphysics//integration/VODE90/cuVODE/source/cuvode.F90:578 10: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x62e248] __sdc_util_MOD_sdc_vode_solve /raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util.F90:494 11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x62ff7b] ca_sdc_update_centers_o4 /raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util.F90:1422 12: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x468ade] Castro::do_sdc_update(int, int, double) /raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc.cpp:212:19 13: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x435518] Castro::do_advance_sdc(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:214:18 14: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x430fee] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:61:42 15: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x540e25] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2112:44 16: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x5366f6] amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:13 17: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x41a3c2] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 18: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f8a0f713413] __libc_start_main ??:0 19: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex() [0x41e86e] _start /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.H:48:23