2021-09-11 23:22:43: ACTION[Main]: Server: Shutting down
2021-09-11 23:22:44: WARNING[Server]: active block modifiers took 303ms (processed 177 of 374 active blocks)

Thread 4 "Server" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff4b35700 (LWP 26374)]
0x0000555555946817 in ServerEnvironment::<lambda(ServerActiveObject*)>::operator()(ServerActiveObject *) const (__closure=0x7ffff4b33730, obj=0x7fffecc2ce20) at /home/mtlive1/5.4.1/Minetest_live/src/serverenvironment.cpp:1497
1497				obj->step(dtime, send_recommended);
#0  0x0000555555946817 in ServerEnvironment::<lambda(ServerActiveObject*)>::operator()(ServerActiveObject *) const (__closure=0x7ffff4b33730, obj=0x7fffecc2ce20) at /home/mtlive1/5.4.1/Minetest_live/src/serverenvironment.cpp:1497
        send_recommended = true
        dtime = 0.180000007
        this = 0x55555a61f190
#1  0x000055555594d976 in std::_Function_handler<void(ServerActiveObject*), ServerEnvironment::step(float)::<lambda(ServerActiveObject*)> >::_M_invoke(const std::_Any_data &, ServerActiveObject *&&) (__functor=..., __args#0=@0x7ffff4b33190: 0x7fffecc2ce20) at /usr/include/c++/8/bits/std_function.h:297
No locals.
#2  0x0000555555787b9f in std::function<void (ServerActiveObject*)>::operator()(ServerActiveObject*) const (this=0x7ffff4b33730, __args#0=0x7fffecc2ce20) at /usr/include/c++/8/bits/std_function.h:687
No locals.
#3  0x0000555555787009 in server::ActiveObjectMgr::step(float, std::function<void (ServerActiveObject*)> const&) (this=0x55555a61f218, dtime=0.180000007, f=...) at /home/mtlive1/5.4.1/Minetest_live/src/server/activeobjectmgr.cpp:49
        ao_it = {first = 28845, second = 0x7fffecc2ce20}
        __for_range = std::unordered_map with 1805 elements = {[28907] = 0x7fff90032470, [28906] = 0x7fffed152a30, [28905] = 0x7fffed5f6bb0, [28904] = 0x7fffed493fd0, [28903] = 0x7fffed492f60, [28902] = 0x7fffed0cc8b0, [28901] = 0x7fffed376250, [28900] = 0x7fffed375e40, [28899] = 0x7fff901477f0, [28898] = 0x7fffed844f00, [28897] = 0x7fffec3b9020, [28896] = 0x7fff90030d30, [28895] = 0x7fffed69ba50, [28894] = 0x7fffed69b310, [28893] = 0x7fffed69ab90, [28892] = 0x7fffed69a3e0, [28891] = 0x7fffed699cb0, [28889] = 0x7fffec4d0690, [28888] = 0x7fffec4cff70, [28887] = 0x7fffec4cf810, [28886] = 0x7fffec4cf110, [28885] = 0x7fffed377f80, [28883] = 0x7fffed3770e0, [28882] = 0x7fffed376980, [28878] = 0x7fff901470f0, [28877] = 0x7fff90146950, [28876] = 0x7fff901461c0, [28875] = 0x7fff90145db0, [28874] = 0x7fffefe14860, [28873] = 0x7fffefe140e0, [28872] = 0x7fffefe13980, [28871] = 0x7fffefe13200, [28869] = 0x7fffed163cc0, [28868] = 0x7fffed163570, [28867] = 0x7fffed162e50, [28866] = 0x7fffed162710, [28865] = 0x7fffed162300, [28864] = 0x7fffed67f460, [28863] = 0x7fffed67ed80, [28862] = 0x7fffed67e560, [28861] = 0x7fffed67de00, [28860] = 0x7fffed67d9f0, [28859] = 0x7fff9011bbe0, [28858] = 0x7fff9011b4b0, [28857] = 0x7fff9011ad80, [28856] = 0x7fff9011a610, [28855] = 0x7fff9011a200, [28854] = 0x7fffee1f4330, [28853] = 0x7fffee1f32c0, [28852] = 0x7fff908563d0, [28851] = 0x7fffee1f37a0, [28850] = 0x7fffee1f29d0, [28849] = 0x7fffefebb8c0, [28848] = 0x7fffedb41e70, [28847] = 0x7fffec35b900, [28846] = 0x7fffefe0a410, [28845] = 0x7fffecc2ce20, [28844] = 0x7fffed96d2e0, [28843] = 0x7fffed5becb0, [28842] = 0x7fffed1f0cf0, [28841] = 0x7fffed1f1160, [28840] = 0x7fffed2ce7a0, [28839] = 0x7fffed2cec10, [28838] = 0x7fffed2cda50, [28837] = 0x7fffecef84a0, [28836] = 0x7fffecef72f0, [28833] = 0x7fffefce5470, [28832] = 0x7fffefce5910, [28831] = 0x7fffefce4720, [28830] = 0x7fffed840f60, [28829] = 0x7fffed840b50, [28828] = 0x7fffed83f7f0, [28827] = 0x7fff911db910, [28822] = 0x7fff911d9b20, [28821] = 0x7fffecee8450, [28820] = 0x7fffed775f50, [28819] = 0x7fffecee7700, [28818] = 0x7fffed992310, [28817] = 0x7fffed992790, [28816] = 0x7fffecbbc6c0, [28815] = 0x7fffedd17370, [28814] = 0x7fffecbbb4d0, [28813] = 0x7fffec294a70, [28812] = 0x7fffec410ad0, [28811] = 0x7fff91fb0160, [28810] = 0x7fff91fbac00, [28809] = 0x7fffec4fe710, [28808] = 0x7fffecdae6a0, [28807] = 0x7fff91fb9f10, [28806] = 0x7fff91fb8dc0, [28805] = 0x7fff91fb9200, [28804] = 0x7fffecfaf420, [28803] = 0x7fffed4b1f80, [28802] = 0x7fffec572440, [28801] = 0x7fffec571790, [28800] = 0x7fffed74f7b0, [28799] = 0x7fffed74eb00, [28798] = 0x7fffef3e5620, [28797] = 0x7fffed6b1270, [28796] = 0x7fffef3e4d90...}
        __for_begin = {<std::__detail::_Node_iterator_base<std::pair<unsigned short const, ServerActiveObject*>, false>> = {_M_cur = 0x7fffecb3ff10}, <No data fields>}
        __for_end = {<std::__detail::_Node_iterator_base<std::pair<unsigned short const, ServerActiveObject*>, false>> = {_M_cur = 0x0}, <No data fields>}
#4  0x0000555555947d6b in ServerEnvironment::step (this=0x55555a61f190, dtime=0.180000007) at /home/mtlive1/5.4.1/Minetest_live/src/serverenvironment.cpp:1501
        sp = {m_profiler = 0x555555bf9f80 <main_profiler>, m_name = "ServerEnv: Run SAO::step() [ms]", m_timer = 0x7fffec35dc80, m_type = SPT_AVG}
        send_recommended = true
        cb_state = {__this = 0x55555a61f190, __dtime = 0.180000007, __send_recommended = true}
        sp2 = {m_profiler = 0x555555bf9f80 <main_profiler>, m_name = "ServerEnv::step() [ms]", m_timer = 0x7fffece72cb0, m_type = SPT_AVG}
        server_step = 0.180000007
        __PRETTY_FUNCTION__ = "virtual void ServerEnvironment::step(float)"
#5  0x000055555591a1a8 in Server::AsyncRunStep (this=0x7fffffffd470, initial_step=false) at /home/mtlive1/5.4.1/Minetest_live/src/server.cpp:606
        lock = {_M_device = 0x7fffffffd4b0, _M_owns = true}
        max_lag = 6.93234253
        dtime = 0.180000007
        sp = {m_profiler = 0x555555bf9f80 <main_profiler>, m_name = "Server::AsyncRunStep() [ms]", m_timer = 0x7fffed22f9c0, m_type = SPT_AVG}
        map_timer_and_unload_dtime = 2.92000008
#6  0x0000555555915d89 in ServerThread::run (this=0x555555c6e730) at /home/mtlive1/5.4.1/Minetest_live/src/server.cpp:110
No locals.
#7  0x000055555579e5cb in Thread::threadProc (thr=0x555555c6e730) at /home/mtlive1/5.4.1/Minetest_live/src/threading/thread.cpp:188
No locals.
#8  0x000055555579ed01 in std::__invoke_impl<void, void (*)(Thread*), Thread*> (__f=@0x55555afbeca0: 0x55555579e55c <Thread::threadProc(Thread*)>, __args#0=@0x55555afbec98: 0x555555c6e730) at /usr/include/c++/8/bits/invoke.h:60
No locals.
#9  0x000055555579ea27 in std::__invoke<void (*)(Thread*), Thread*> (__fn=@0x55555afbeca0: 0x55555579e55c <Thread::threadProc(Thread*)>, __args#0=@0x55555afbec98: 0x555555c6e730) at /usr/include/c++/8/bits/invoke.h:95
No locals.
#10 0x000055555579f22f in std::thread::_Invoker<std::tuple<void (*)(Thread*), Thread*> >::_M_invoke<0ul, 1ul> (this=0x55555afbec98) at /usr/include/c++/8/thread:244
No locals.
#11 0x000055555579f1ea in std::thread::_Invoker<std::tuple<void (*)(Thread*), Thread*> >::operator() (this=0x55555afbec98) at /usr/include/c++/8/thread:253
No locals.
#12 0x000055555579f1ce in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (*)(Thread*), Thread*> > >::_M_run (this=0x55555afbec90) at /usr/include/c++/8/thread:196
No locals.
#13 0x00007ffff75d0b2f in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#14 0x00007ffff795efa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737298781952, -1791880542145581409, 140737488343358, 140737488343359, 140737298781952, 0, 1791904072282566303, 1791897257644682911}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#15 0x00007ffff72ae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.