=== 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(+0x183c45) [0x55711876bc45] 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(+0x185ae6) [0x55711876dae6] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x8901d) [0x55711867101d] 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(+0x1fe12d) [0x5571187e612d] 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(+0x1ffda9) [0x5571187e7da9] 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) [0x7fdc3a4b84b6] GOMP_parallel ??:0 6: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1fca2a) [0x5571187e4a2a] 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(+0x1f9632) [0x5571187e1632] 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(+0x1edc84) [0x5571187d5c84] 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(+0x1eeed4) [0x5571187d6ed4] 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(+0x1efaa7) [0x5571187d7aa7] 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(+0x28b7a) [0x557118610b7a] Castro::expand_state(amrex::MultiFab&, double, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3839:1 12: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x3e0e4) [0x5571186260e4] Castro::initialize_do_advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:170:19 13: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x402e6) [0x5571186282e6] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:45:29 14: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x40cbc) [0x557118628cbc] advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:549:90 in Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:131:8 Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:549:90 15: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x3f0aa) [0x5571186270aa] 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(+0x1dda64) [0x5571187c5a64] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2121:36 17: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1d0077) [0x5571187b8077] 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:2439:26 18: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1f936) [0x557118607936] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 19: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fdc3a2c61a3] __libc_start_main ??:0 20: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x26e9e) [0x55711860ee9e] _start ??:0