=== 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.TEST.MPI.OMP.ex(+0x1d2475) [0x561d7338d475] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39 1: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1d4316) [0x561d7338f316] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7f70c59fb6b0] __restore_rt ??:0 3: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x3da7df) [0x561d735957df] get_omega /raid/testing/castro-gfortran/Castro//Source/rotation/Rotation_frequency.F90:29 4: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x87c3b) [0x561d73242c3b] amrex::lbound(amrex::Box const&) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/advection_util.cpp:53:3 in Castro::ctoprim(amrex::Box const&, double, amrex::Array4, amrex::Array4, amrex::Array4) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Box.H:1474:48 Castro::ctoprim(amrex::Box const&, double, amrex::Array4, amrex::Array4, amrex::Array4) /raid/testing/castro-gfortran/Castro//Source/hydro/advection_util.cpp:53:3 5: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x83e7e) [0x561d7323ee7e] Castro::cons_to_prim(double) [clone ._omp_fn.0] /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:64:62 6: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f70c5bd84b6] GOMP_parallel ??:0 7: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x8430f) [0x561d7323f30f] Castro::cons_to_prim(double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:88:1 8: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x64a4b) [0x561d7321fa4b] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:124:30 9: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x659a0) [0x561d732209a0] Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:521:45 10: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x635d2) [0x561d7321e5d2] double const& std::min(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int) /usr/include/c++/9/bits/stl_algobase.h:205:14 Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 11: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x222670) [0x561d733dd670] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36 12: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x21559d) [0x561d733d059d] std::vector >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54 in amrex::Amr::coarseTimeStep(double) /usr/include/c++/9/bits/stl_vector.h:1042:2 amrex::Vector >::operator[](unsigned long) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54 amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:26 13: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x2b006) [0x561d731e6006] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 14: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f70c59e61a3] __libc_start_main ??:0 15: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x3a01e) [0x561d731f501e] _start ??:0