=== If no file names and line numbers are shown below, one can run addr2line -Cfie 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.DEBUG.MPI.ex() [0x5dcc0e] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:107 1: ./Castro1d.gnu.DEBUG.MPI.ex() [0x5dca16] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55 2: ./Castro1d.gnu.DEBUG.MPI.ex() [0x529632] amrex::ParallelDescriptor::Abort(int, bool) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.cpp:224 3: ./Castro1d.gnu.DEBUG.MPI.ex() [0x4eb952] amrex::Assert(char const*, char const*, int, char const*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:341 4: ./Castro1d.gnu.DEBUG.MPI.ex() [0x41b270] amrex::FabArray::fabHostPtr(amrex::MFIter const&) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:820 5: ./Castro1d.gnu.DEBUG.MPI.ex() [0x41b30d] amrex::Array4 amrex::FabArray::array >(amrex::MFIter const&) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:924 6: ./Castro1d.gnu.DEBUG.MPI.ex() [0x462c60] Castro::construct_hydro_source(double, double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:1151 7: ./Castro1d.gnu.DEBUG.MPI.ex() [0x428b8f] Castro::do_advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:271 8: ./Castro1d.gnu.DEBUG.MPI.ex() [0x42c2fb] Castro::subcycle_advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:1245 9: ./Castro1d.gnu.DEBUG.MPI.ex() [0x4287c0] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:102 10: ./Castro1d.gnu.DEBUG.MPI.ex() [0x624bdf] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2099 11: ./Castro1d.gnu.DEBUG.MPI.ex() [0x625377] amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2386 12: ./Castro1d.gnu.DEBUG.MPI.ex() [0x453d85] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:133 13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f50185b0413] ?? ??:0 14: ./Castro1d.gnu.DEBUG.MPI.ex() [0x40b7ce] _start ??:?