=== 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() [0x517236] 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() [0x518e5d] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: ./Castro2d.gnu.TEST.OMP.ex() [0x45b7d6] amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_solvers.cpp:89:3 in Castro::riemanncg(amrex::Box const&, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.H:98:32 Castro::riemanncg(amrex::Box const&, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, int) /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_solvers.cpp:89:3 3: ./Castro2d.gnu.TEST.OMP.ex() [0x4572bb] Castro::riemann_state(amrex::Box const&, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, int, int) /raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:234:14 4: ./Castro2d.gnu.TEST.OMP.ex() [0x458a3c] amrex::Array4::Array4(amrex::Array4 const&) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:48:19 in Castro::cmpflx_plus_godunov(amrex::Box const&, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Array4.H:32:30 Castro::cmpflx_plus_godunov(amrex::Box const&, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, amrex::Array4, int) /raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:48:19 5: ./Castro2d.gnu.TEST.OMP.ex() [0x452c94] Castro::construct_ctu_hydro_source(double, double) [clone ._omp_fn.0] /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Array4.H:32:30 6: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7fafab8f04b6] GOMP_parallel ??:0 7: ./Castro2d.gnu.TEST.OMP.ex() [0x44f560] Castro::construct_ctu_hydro_source(double, double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1459:3 8: ./Castro2d.gnu.TEST.OMP.ex() [0x431517] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:131:28 9: ./Castro2d.gnu.TEST.OMP.ex() [0x431f10] 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.OMP.ex() [0x4308b2] 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.OMP.ex() [0x559262] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2112:44 12: ./Castro2d.gnu.TEST.OMP.ex() [0x55949d] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2173:31 13: ./Castro2d.gnu.TEST.OMP.ex() [0x54f259] amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:13 14: ./Castro2d.gnu.TEST.OMP.ex() [0x418245] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 15: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fafab6fe1a3] __libc_start_main ??:0 16: ./Castro2d.gnu.TEST.OMP.ex() [0x41ea7e] _start ??:0