$ /opt/gdb/powerpc64/bin/powerpc64-unknown-freebsd-gdb gdb82.full gdb82.full.core GNU gdb (GDB) 8.2.1 Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "--host=x86_64-unknown-freebsd12.0 --target=powerpc64-unknown-freebsd". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from gdb82.full...done. [New LWP 102038] warning: Could not load shared library symbols for 9 libraries, e.g. /usr/local/lib/libpython2.7.so.1. Use the "info sharedlibrary" command to see the complete listing. Do you need "set solib-search-path" or "set sysroot"? Core was generated by `./gdb82.full --args sleep 5'. Program terminated with signal SIGABRT, Aborted. #0 0x00000008120373c8 in memcpy () from /mnt/talos/lib/libc.so.7 (gdb) bt #0 0x00000008120373c8 in memcpy () from /mnt/talos/lib/libc.so.7 #1 0x0000000010d0aff8 in uw_update_context_1 (context=, context@entry=0xfffffbfffc5f0, fs=fs@entry=0xfffffbfffbc70) at /nest/POWER9BSD/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c:1243 #2 0x0000000010d0b4e8 in uw_update_context (context=context@entry=0xfffffbfffc5f0, fs=fs@entry=0xfffffbfffbc70) at /nest/POWER9BSD/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c:1365 #3 0x0000000010d0c470 in _Unwind_RaiseException (exc=0x8123523c0) at /nest/POWER9BSD/gnu/lib/libgcc/../../../contrib/gcc/unwind.inc:126 #4 0x0000000010d07e6c in throw_exception (ex=0x812352368) at cxxrt_exception.cc:774 #5 0x0000000010418a78 in throw_exception_cxx (exception=...) at common/common-exceptions.c:303 #6 0x0000000010418b38 in throw_exception (exception=...) at common/common-exceptions.c:373 #7 throw_it (reason=reason@entry=RETURN_ERROR, error=, fmt=, ap=ap@entry=0xfffffbfffd3e0 "") at common/common-exceptions.c:373 #8 0x0000000010418ef8 in throw_verror (error=, fmt=, ap=ap@entry=0xfffffbfffd3e0 "") at common/common-exceptions.c:379 #9 0x0000000010418f84 in throw_error (error=, fmt=) at common/common-exceptions.c:394 #10 0x00000000103c5f74 in call_site_for_pc (gdbarch=, pc=) at block.c:241 #11 0x00000000104733cc in call_site_find_chain_1 (callee_pc=34628986976, caller_pc=268438540, gdbarch=0x813067010) at dwarf2loc.c:1058 #12 call_site_find_chain (gdbarch=0x813067010, caller_pc=268438540, callee_pc=34628987015) at dwarf2loc.c:1162 #13 0x0000000010467b58 in dwarf2_tailcall_sniffer_first (this_frame=0x8122cfc70, tailcall_cachep=0x8122cfd70, entry_cfa_sp_offsetp=0x8122cfd78) at dwarf2-frame-tailcall.c:387 #14 0x00000000104669b4 in dwarf2_frame_prev_register (this_frame=0x8122cfc70, this_cache=0x8122cfc88, regnum=) at dwarf2-frame.c:1223 #15 0x00000000104ce138 in frame_unwind_register_value (frame=frame@entry=0x8122cfc70, regnum=) at frame.c:1206 #16 0x00000000104ce568 in frame_register_unwind (frame=frame@entry=0x8122cfc70, regnum=, optimizedp=optimizedp@entry=0xfffffbfffd980, unavailablep=unavailablep@entry=0xfffffbfffd870, lvalp=lvalp@entry=0xfffffbfffd974, addrp=addrp@entry=0xfffffbfffd968, realnump=realnump@entry=0xfffffbfffd97c, bufferp=bufferp@entry=0x0) at frame.c:1109 #17 0x00000000104ceb40 in frame_register_unwind_location (this_frame=, regnum=, optimizedp=0xfffffbfffd980, lvalp=0xfffffbfffd974, addrp=0xfffffbfffd968, realnump=0xfffffbfffd97c) at frame.c:1859 #18 0x00000000104cf08c in get_prev_frame_always_1 (this_frame=this_frame@entry=0x8122cfc70) at frame.c:2061 #19 0x00000000104cfa3c in get_prev_frame_always (this_frame=this_frame@entry=0x8122cfc70) at frame.c:2100 #20 0x00000000104cfe78 in get_prev_frame (this_frame=0x8122cfc70) at frame.c:2353 #21 0x0000000010474d7c in value_of_dwarf_reg_entry (type=type@entry=0x813cb5358, frame=frame@entry=0x8122cfc70, kind=kind@entry=CALL_SITE_PARAMETER_DWARF_REG, kind_u=...) at dwarf2loc.c:1411 #22 0x0000000010474f04 in value_of_dwarf_block_entry (type=0x813cb5358, frame=0x8122cfc70, block=0x813db0b50 "S", block_len=) at dwarf2loc.c:1464 #23 0x0000000010475068 in loclist_read_variable_at_entry (symbol=0x813cb54b8, frame=0x8122cfc70) at dwarf2loc.c:4483 #24 0x00000000105f8bc4 in read_frame_arg (sym=sym@entry=0x813cb54b8, frame=frame@entry=0x8122cfc70, argp=argp@entry=0xfffffbfffdda8, entryargp=entryargp@entry=0xfffffbfffdd88) at stack.c:370 #25 0x00000000105f9a84 in print_frame_args (func=func@entry=0x813cb5458, frame=frame@entry=0x8122cfc70, num=num@entry=-1, stream=0x812c22e60) at stack.c:681 #26 0x00000000105fa934 in print_frame (print_args=, print_what=LOCATION, print_level=, frame=0x8122cfc70, sal=...) at stack.c:1203 #27 print_frame_info (frame=frame@entry=0x8122cfc70, print_level=print_level@entry=1, print_what=print_what@entry=LOCATION, print_args=print_args@entry=1, set_current_sal=set_current_sal@entry=0) at stack.c:860 #28 0x00000000105fb910 in backtrace_command_1 (from_tty=1, no_filters=, flags=..., count_exp=) at stack.c:1790 #29 backtrace_command (arg=, from_tty=) at stack.c:1865 #30 0x00000000102c487c in do_const_cfunc (c=, args=, from_tty=) at cli/cli-decode.c:106 #31 0x00000000102c8104 in cmd_func (cmd=, args=, from_tty=) at cli/cli-decode.c:1857 #32 0x0000000010665500 in execute_command (p=, from_tty=) at top.c:630 #33 0x00000000104bed98 in command_handler (command=0x811913010 "bt") at event-top.c:583 #34 0x00000000104bf244 in command_line_handler (rl=) at event-top.c:774 #35 0x00000000104bd900 in gdb_rl_callback_handler (rl=0x811913380 "bt") at event-top.c:213 #36 0x00000000106ee244 in rl_callback_read_char () at callback.c:220 #37 0x00000000104bd7b4 in gdb_rl_callback_read_char_wrapper_noexcept () at event-top.c:175 #38 0x00000000104bd858 in gdb_rl_callback_read_char_wrapper (client_data=) at event-top.c:191 #39 0x00000000104be218 in stdin_event_handler (error=, client_data=0x8122d1000) at event-top.c:511 #40 0x00000000104bbb50 in handle_file_event (file_ptr=0x8122dcb50, ready_mask=) at event-loop.c:733 #41 0x00000000104bc3a4 in gdb_wait_for_event (block=) at event-loop.c:859 #42 0x00000000104bc698 in gdb_do_one_event () at event-loop.c:347 #43 0x00000000104bc81c in gdb_do_one_event () at event-loop.c:371 #44 start_event_loop () at event-loop.c:371 #45 0x000000001054902c in captured_command_loop () at main.c:330 #46 0x000000001054a660 in captured_main (data=) at main.c:1157 #47 gdb_main (args=) at main.c:1173 #48 0x00000000101054b0 in main (argc=, argv=0xfffffbfffeb00) at gdb.c:38 (gdb)