=== 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: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x156ef5) [0x55a22cbbdef5] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39 1: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x158d73) [0x55a22cbbfd73] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7f0f7bb8a6b0] __restore_rt ??:0 3: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x8eae8) [0x55a22caf5ae8] Castro::ca_sdc_conservative_update(amrex::Box const&, double, amrex::Array4 const&, amrex::Array4 const&, amrex::Array4 const&, amrex::Array4 const&) /raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util.cpp:367:5 4: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x9242d) [0x55a22caf942d] Castro::do_sdc_update(int, int, double) /raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc.cpp:129:48 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x47e74) [0x55a22caaee74] Castro::do_advance_sdc(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:216:18 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x439a0) [0x55a22caaa9a0] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:61:42 7: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x19c0e5) [0x55a22cc030e5] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36 8: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x18f94d) [0x55a22cbf694d] 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 9: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x233e6) [0x55a22ca8a3e6] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f0f7bb751a3] __libc_start_main ??:0 11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x2d66e) [0x55a22ca9466e] _start ??:0