=== 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(+0x148d25) [0x5588e8d03d25] 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(+0x14aba3) [0x5588e8d05ba3] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7f77033d06b0] __restore_rt ??:0 3: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x89de1) [0x5588e8c44de1] ppfound inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:417:25 in amrex::(anonymous namespace)::ppindex(std::__cxx11::list > const&, int, std::__cxx11::basic_string, std::allocator > const&, bool) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:393:35 ppindex /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:417:25 4: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x95286) [0x5588e8c50286] squeryarr /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:751:5 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x958d7) [0x5588e8c508d7] std::__cxx11::basic_string, std::allocator >::_M_is_local() const inlined at /usr/include/c++/9/bits/basic_string.h:231:6 in amrex::ParmParse::queryarr(char const*, std::vector >&, int, int) const /usr/include/c++/9/bits/basic_string.h:222:26 std::__cxx11::basic_string, std::allocator >::_M_dispose() /usr/include/c++/9/bits/basic_string.h:231:6 std::__cxx11::basic_string, std::allocator >::~basic_string() /usr/include/c++/9/bits/basic_string.h:658:9 amrex::ParmParse::queryarr(char const*, std::vector >&, int, int) const /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:1524:43 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x41b0d) [0x5588e8bfcb0d] Castro::variableSetUp() /raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:260:24 7: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x184bf0) [0x5588e8d3fbf0] amrex::Amr::InitAmr() /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:274:28 8: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x186884) [0x5588e8d41884] amrex::Amr::Amr() /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:240:1 9: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x1fd05) [0x5588e8bdad05] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:17 10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f77033bb1a3] __libc_start_main ??:0 11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x2455e) [0x5588e8bdf55e] _start ??:0