=== 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.OMP.ex() [0x4fdd26] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39 1: ./Castro2d.gnu.TEST.OMP.ex() [0x4ffa7b] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x38600) [0x7f084ba2e600] __restore_rt ??:0 3: ./Castro2d.gnu.TEST.OMP.ex() [0x5f69db] __riemann_util_module_MOD_wsqge /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_util.F90:35 4: ./Castro2d.gnu.TEST.OMP.ex() [0x5f0f29] __riemann_module_MOD_riemanncg /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_nd.F90:756 5: ./Castro2d.gnu.TEST.OMP.ex() [0x5f4cfc] __riemann_module_MOD_cmpflx /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_nd.F90:211 6: ./Castro2d.gnu.TEST.OMP.ex() [0x5f4df2] cmpflx_plus_godunov /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_nd.F90:117 7: ./Castro2d.gnu.TEST.OMP.ex() [0x44f310] Castro::construct_ctu_hydro_source(double, double) [clone ._omp_fn.0] /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1056:7 8: /lib64/libgomp.so.1(GOMP_parallel+0x43) [0x7f084bc087b3] GOMP_parallel ??:0 9: ./Castro2d.gnu.TEST.OMP.ex() [0x44c5ce] Castro::construct_ctu_hydro_source(double, double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1370:3 10: ./Castro2d.gnu.TEST.OMP.ex() [0x42e570] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:130:28 11: ./Castro2d.gnu.TEST.OMP.ex() [0x42eec2] Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:482:21 12: ./Castro2d.gnu.TEST.OMP.ex() [0x42cb52] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:55 13: ./Castro2d.gnu.TEST.OMP.ex() [0x53f443] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2112:44 14: ./Castro2d.gnu.TEST.OMP.ex() [0x534bb2] amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:13 15: ./Castro2d.gnu.TEST.OMP.ex() [0x4166da] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 16: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f084ba1a413] __libc_start_main ??:0 17: ./Castro2d.gnu.TEST.OMP.ex() [0x41a33e] _start /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.H:48:23