=== 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. === 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.ex() [0x53bab9] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:108 1: ./Castro1d.gnu.TEST.MPI.ex() [0x53cb29] amrex::BLBackTrace::handler(int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55 2: ./Castro1d.gnu.TEST.MPI.ex() [0x4ffd68] amrex::operator>>(std::istream&, amrex::IntVect&) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_IntVect.cpp:65 3: ./Castro1d.gnu.TEST.MPI.ex() [0x4aebfe] bool amrex::(anonymous namespace)::is(std::__cxx11::basic_string, std::allocator > const&, amrex::IntVect&) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:150 4: ./Castro1d.gnu.TEST.MPI.ex() [0x4b998f] bool amrex::(anonymous namespace)::(anonymous namespace)::squeryarr(std::__cxx11::list > const&, std::__cxx11::basic_string, std::allocator > const&, std::vector >&, int, int, int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:789 5: ./Castro1d.gnu.TEST.MPI.ex() [0x4b9ca4] amrex::ParmParse::getarr(char const*, std::vector >&, int, int) const at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:822 (discriminator 4) (inlined by) amrex::ParmParse::getarr(char const*, std::vector >&, int, int) const at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:1668 (discriminator 4) 6: ./Castro1d.gnu.TEST.MPI.ex() [0x5663d4] amrex::AmrMesh::InitAmrMesh(int, amrex::Vector > const&, std::vector >) at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrMesh.cpp:107 7: ./Castro1d.gnu.TEST.MPI.ex() [0x5678bf] amrex::AmrMesh::AmrMesh() at /usr/include/c++/8/bits/stl_vector.h:567 (inlined by) amrex::AmrMesh::AmrMesh() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrMesh.cpp:36 8: ./Castro1d.gnu.TEST.MPI.ex() [0x54a1ae] amrex::AmrCore::AmrCore() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrCore.cpp:37 9: ./Castro1d.gnu.TEST.MPI.ex() [0x571704] amrex::Amr::Amr() at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:234 10: ./Castro1d.gnu.TEST.MPI.ex() [0x41b8cc] main at /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:112 (discriminator 3) 11: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fb7b0e07413] ?? ??:0 12: ./Castro1d.gnu.TEST.MPI.ex() [0x420a6e] _start at ??:?