=== 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.TRUESDC.ex(+0x172355) [0x5627d2b41355] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39 1: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x1741d3) [0x5627d2b431d3] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7f4499d9f6b0] __restore_rt ??:0 3: /lib64/libc.so.6(gsignal+0x145) [0x7f4499d9f625] raise ??:0 4: /lib64/libc.so.6(abort+0x12b) [0x7f4499d888d9] abort ??:0 5: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x388d8) [0x5627d2a078d8] .annobin__ZSt20__replacement_assertPKciS0_S0_.end ??:0 6: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x5c12e) [0x5627d2a2b12e] std::vector >::operator[](unsigned long) const inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 in Castro::cons_to_prim(double) /usr/include/c++/9/bits/stl_vector.h:1060:2 amrex::Vector >::operator[](unsigned long) const /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 amrex::MFIter::LocalIndex() const /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_MFIter.H:182:96 amrex::FabArray::fabPtr(amrex::MFIter const&) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:902:28 amrex::Array4 amrex::FabArray::array(amrex::MFIter const&) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:967:12 Castro::cons_to_prim(double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:38:47 7: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x432cc) [0x5627d2a122cc] Castro::do_advance_sdc(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:163:7 8: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x3fd70) [0x5627d2a0ed70] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:61:42 9: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x1c1470) [0x5627d2b90470] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36 10: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x1b439d) [0x5627d2b8339d] 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 11: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x20726) [0x5627d29ef726] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 12: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f4499d8a1a3] __libc_start_main ??:0 13: ./Castro2d.gnu.TEST.MPI.TRUESDC.ex(+0x2810e) [0x5627d29f710e] _start ??:0