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--- debug_batocera [2022/10/27 08:40] – created atari
+++ debug_batocera [2022/10/27 15:45] (current) – [GNU Project Debugger (gdb)] nadenislamarre
@@ Line 137: / Line 137: @@
   * ''clear'' -> to clear all breakpoints.
   * ''quit'' -> exits out of gdb.
+In case of segfault, the backtrace (bt) commands is really helpfull:
+<code>
+$ gdb /usr/bin/mame/mame
+Thread 1 "mame" received signal SIGSEGV, Segmentation fault.
+x000000000b2aca8b in ImGui::ShutdownDockContext() ()
+(gdb) bt
+#0  0x000000000b2aca8b in ImGui::ShutdownDockContext() ()
+#1  0x000000000b31f8e9 in imguiDestroy() ()
+#2  0x000000000a7aba09 in renderer_bgfx::exit() ()
+#3  0x000000000a78d365 in sdl_osd_interface::window_exit() ()
+#4  0x000000000a7940f5 in osd_common_t::osd_exit() ()
+#5  0x000000000a784869 in sdl_osd_interface::osd_exit() ()
+#6  0x000000000a69d47a in running_machine::run(bool) ()
+#7  0x000000000b409f17 in mame_machine_manager::execute() ()
+#8  0x000000000b4bb658 in cli_frontend::start_execution(mame_machine_manager*, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) ()
+#9  0x000000000b4bb891 in cli_frontend::execute(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&) ()
+#10 0x000000000b4057d3 in emulator_info::start_frontend(emu_options&, osd_interface&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&) ()
+#11 0x00000000021c91ed in main ()
+</code>