=== 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(+0x193915) [0x55afcceb7915] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:176:39 1: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1957b6) [0x55afcceb97b6] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8 2: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x8a64d) [0x55afccdae64d] amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/problems/Castro_bc_fill_nd.cpp:86:19 in ca_statefill(amrex::Box const&, amrex::FArrayBox&, int, int, amrex::Geometry const&, double, amrex::Vector > const&, int, int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:101:5 ca_statefill(amrex::Box const&, amrex::FArrayBox&, int, int, amrex::Geometry const&, double, amrex::Vector > const&, int, int) /raid/testing/castro-gfortran/Castro//Source/problems/Castro_bc_fill_nd.cpp:86:19 3: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x20dd6d) [0x55afccf31d6d] amrex::StateData::FillBoundary(amrex::Box const&, amrex::FArrayBox&, double, amrex::Geometry const&, int, int, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:553:22 4: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x20f9e9) [0x55afccf339e9] amrex::StateDataPhysBCFunct::FillBoundary(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int) [clone ._omp_fn.0] /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:898:44 5: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f8c5715d4b6] GOMP_parallel ??:0 6: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x20c66a) [0x55afccf3066a] amrex::StateDataPhysBCFunct::FillBoundary(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:1065:1 7: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x209272) [0x55afccf2d272] std::enable_if::value, void>::type amrex::FillPatchSingleLevel(amrex::MultiFab&, amrex::IntVect const&, double, amrex::Vector > const&, amrex::Vector > const&, int, int, int, amrex::Geometry const&, amrex::PhysBCFunctBase&, int) /raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_FillPatchUtil_I.H:158:1 8: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1fd8c4) [0x55afccf218c4] std::vector >::~vector() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:22:7 in amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int) /usr/include/c++/9/bits/stl_vector.h:677:15 amrex::Vector >::~Vector() /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:22:7 amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1088:18 9: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1feb14) [0x55afccf22b14] amrex::FillPatchIterator::Initialize(int, double, int, int, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1002:20 10: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1ff6e7) [0x55afccf236e7] amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2216:19 11: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x2b2aa) [0x55afccd4f2aa] Castro::expand_state(amrex::MultiFab&, double, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4000:1 12: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x40bb4) [0x55afccd64bb4] Castro::initialize_do_advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:184:19 13: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x42858) [0x55afccd66858] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:55:29 14: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x431ec) [0x55afccd671ec] advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:560:90 in Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:145:8 Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:560:90 15: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x4192a) [0x55afccd6592a] 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 16: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1ed7a4) [0x55afccf117a4] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2124:36 17: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1dfa7a) [0x55afccf03a7a] std::vector >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 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:34:54 amrex::Amr::coarseTimeStep(double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2442:26 18: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x21b26) [0x55afccd45b26] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 19: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f8c56f6b1a3] __libc_start_main ??:0 20: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x2932e) [0x55afccd4d32e] _start ??:0