=== 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.

=== 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: ./Castro3d.pgi.CUDA.ex() [0x67cd06]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_BLBackTrace.cpp:108

 1: ./Castro3d.pgi.CUDA.ex() [0x67e5f2]
    amrex::BLBackTrace::handler(int) at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_BLBackTrace.cpp:55

 2: ./Castro3d.pgi.CUDA.ex() [0x5df3b9]
    amrex::Cuda::Device::synchronize() at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_CudaDevice.cpp:305

 3: ./Castro3d.pgi.CUDA.ex() [0x659b85]
    amrex::MFIter::~MFIter() at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_MFIter.cpp:192 (discriminator 1)

 4: ./Castro3d.pgi.CUDA.ex() [0x4300e4]
    Castro::initData() at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/Castro.cpp:1123

 5: ./Castro3d.pgi.CUDA.ex() [0x6cd4bd]
    amrex::Amr::defBaseLevel(double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*) at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_Amr.cpp:2796

 6: ./Castro3d.pgi.CUDA.ex() [0x6d8d53]
    amrex::Amr::init(double, double) at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_Amr.cpp:1332
     (inlined by) amrex::Amr::init(double, double) at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/AMReX_Amr.cpp:1207

 7: ./Castro3d.pgi.CUDA.ex() [0x40c5bc]
    main at /raid/testing/castro-gpu/Castro/Exec/hydro_tests/Sedov/tmp_build_dir/s/3d.pgi.CUDA.EXE/main.cpp:121

 8: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fcbc908c413]
    ?? ??:0

 9: ./Castro3d.pgi.CUDA.ex() [0x41106e]
    _start at ??:?