(lldb) bt
* thread #30, name = 'FIFO player thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
  * frame #0: 0x0000000100607e60 Dolphin`MemoryWatcher::Step(this=0x0000000000000000) at MemoryWatcher.cpp:101:7
    frame #1: 0x00000001002fdf4b Dolphin`Core::OnFrameEnd() at Core.cpp:136:21
    frame #2: 0x000000010046bf5e Dolphin`VideoInterface::EndField() at VideoInterface.cpp:729:3
    frame #3: 0x000000010046bc55 Dolphin`VideoInterface::Update(ticks=12115818) at VideoInterface.cpp:761:5
    frame #4: 0x00000001004681d1 Dolphin`SystemTimers::(anonymous namespace)::VICallback(userdata=0, cyclesLate=40257) at SystemTimers.cpp:135:3
    frame #5: 0x00000001003118ce Dolphin`CoreTiming::Advance() at CoreTiming.cpp:334:5
    frame #6: 0x000000010036079f Dolphin`FifoPlayer::WriteFifo(this=0x000000010115d200, data="a@", start=3773, end=3860) at FifoPlayer.cpp:383:5
    frame #7: 0x00000001003605c4 Dolphin`FifoPlayer::WriteFramePart(this=0x000000010115d200, dataStart=3773, dataEnd=3860, nextMemUpdate=0x0000700000cc0d40, frame=0x0000600003b45df8, info=0x0000600003b45ee8) at FifoPlayer.cpp:327:5
    frame #8: 0x000000010035feb8 Dolphin`FifoPlayer::WriteFrame(this=0x000000010115d200, frame=0x0000600003b45df8, info=0x0000600003b45ee8) at FifoPlayer.cpp:286:3
    frame #9: 0x000000010035f769 Dolphin`FifoPlayer::AdvanceFrame(this=0x000000010115d200) at FifoPlayer.cpp:158:3
    frame #10: 0x0000000100361f6f Dolphin`FifoPlayer::CPUCore::Run(this=0x0000600000029940) at FifoPlayer.cpp:111:25
    frame #11: 0x00000001006fc1e4 Dolphin`PowerPC::RunLoop() at PowerPC.cpp:358:20
    frame #12: 0x000000010037fdc5 Dolphin`CPU::Run() at CPU.cpp:102:7
    frame #13: 0x0000000100301396 Dolphin`Core::FifoPlayerThread(savestate_path= Has Value=false , delete_savestate=false) at Core.cpp:388:5
    frame #14: 0x000000010030a3cc Dolphin`decltype(__f=(0x0000600001a59bc8), __args= Has Value=false , __args=0x0000600001a59bf0)(std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > const&, bool)>(fp)(std::__1::forward<std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > >(fp0), std::__1::forward<bool>(fp0))) std::__1::__invoke<void (*)(std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > const&, bool), std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, bool>(void (*&&)(std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > const&, bool), std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >&&, bool&&) at type_traits:4339:1
    frame #15: 0x000000010030a337 Dolphin`void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > const&, bool), std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, bool, 2ul, 3ul>(__t=size=4, (null)=__tuple_indices<2, 3> @ 0x0000700000cc0ec8)(std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > const&, bool), std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, bool>&, std::__1::__tuple_indices<2ul, 3ul>) at thread:342:5
    frame #16: 0x0000000100309793 Dolphin`void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > const&, bool), std::__1::optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, bool> >(__vp=0x0000600001a59bc0) at thread:352:5
    frame #17: 0x0000000107d04e35 libsystem_pthread.dylib`_pthread_body + 126
    frame #18: 0x0000000107d07ec7 libsystem_pthread.dylib`_pthread_start + 70
    frame #19: 0x0000000107d03e51 libsystem_pthread.dylib`thread_start + 13