.
Thread 8 (Thread 0x7f7849bf9700 (LWP 9054)):
#0  0x00007f785dfc9ebd in open64 () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f785df58938 in _IO_file_open (is32not64=8, read_write=8, prot=438, posix_mode=<optimized out>, filename=0x7f7849bf6cf0 "\370\n", fp=0x7f7838000b50) at fileops.c:227
        fdesc = <optimized out>
#2  _IO_new_file_fopen (fp=fp@entry=0x7f7838000b50, filename=filename@entry=0x7f7838000af8 "/usr/share/games/minetest/builtin/init.lua", mode=<optimized out>, mode@entry=0x7f785f8c7198 "rb", is32not64=is32not64@entry=1) at fileops.c:332
        oflags = <optimized out>
        omode = <optimized out>
        read_write = 8
        i = <optimized out>
        cs = <optimized out>
        last_recognized = <optimized out>
        __PRETTY_FUNCTION__ = "_IO_new_file_fopen"
#3  0x00007f785df4d004 in __fopen_internal (filename=0x7f7838000af8 "/usr/share/games/minetest/builtin/init.lua", mode=0x7f785f8c7198 "rb", is32=1) at iofopen.c:90
        new_f = 0x7f7838000b50
#4  0x00007f785f8bc57c in luaL_loadfilex () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#5  0x000000000049d962 in ScriptApiBase::loadScript(std::string const&) ()
No symbol table info available.
#6  0x000000000049bb93 in AsyncWorkerThread::Thread() ()
No symbol table info available.
#7  0x0000000000489963 in JThread::TheThread(void*) ()
No symbol table info available.
#8  0x00007f785f2300a5 in start_thread (arg=0x7f7849bf9700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f7849bf9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154610095872, -2784367922501641199, 0, 0, 140154610096576, 140154610095872, 2858487650083150865, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 7 (Thread 0x7f7860dd57c0 (LWP 9044)):
#0  0x00007f785dfc9ebd in open64 () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f785df58938 in _IO_file_open (is32not64=8, read_write=8, prot=438, posix_mode=<optimized out>, filename=0x7fffdd042850 "\230t\361\001", fp=0x1f175f0) at fileops.c:227
        fdesc = <optimized out>
#2  _IO_new_file_fopen (fp=fp@entry=0x1f175f0, filename=filename@entry=0x1f17498 "/usr/share/games/minetest/builtin/init.lua", mode=<optimized out>, mode@entry=0x7f785f8c7198 "rb", is32not64=is32not64@entry=1) at fileops.c:332
        oflags = <optimized out>
        omode = <optimized out>
        read_write = 8
        i = <optimized out>
        cs = <optimized out>
        last_recognized = <optimized out>
        __PRETTY_FUNCTION__ = "_IO_new_file_fopen"
#3  0x00007f785df4d004 in __fopen_internal (filename=0x1f17498 "/usr/share/games/minetest/builtin/init.lua", mode=0x7f785f8c7198 "rb", is32=1) at iofopen.c:90
        new_f = 0x1f175f0
#4  0x00007f785f8bc57c in luaL_loadfilex () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
No symbol table info available.
#5  0x000000000049d962 in ScriptApiBase::loadScript(std::string const&) ()
No symbol table info available.
#6  0x0000000000601fbe in GUIEngine::loadMainMenuScript() ()
No symbol table info available.
#7  0x000000000060371f in GUIEngine::GUIEngine(irr::IrrlichtDevice*, irr::gui::IGUIElement*, IMenuManager*, irr::scene::ISceneManager*, MainMenuData*, bool&) ()
No symbol table info available.
#8  0x000000000048350b in main ()
No symbol table info available.
.
Thread 6 (Thread 0x7f784a3fa700 (LWP 9053)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f785f23256a in _L_lock_913 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2  0x00007f785f232390 in __GI___pthread_mutex_lock (mutex=0xa30ca0 <log_threadnamemutex>) at ../nptl/pthread_mutex_lock.c:79
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = 0
#3  0x0000000000664a04 in log_printline(LogMessageLevel, std::string const&) ()
No symbol table info available.
#4  0x00000000006657bb in Logbuf::overflow(int) ()
No symbol table info available.
#5  0x00007f785e8594aa in std::ostream::put(char) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0x000000000049d94a in ScriptApiBase::loadScript(std::string const&) ()
No symbol table info available.
#7  0x000000000049bb93 in AsyncWorkerThread::Thread() ()
No symbol table info available.
#8  0x0000000000489963 in JThread::TheThread(void*) ()
No symbol table info available.
#9  0x00007f785f2300a5 in start_thread (arg=0x7f784a3fa700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f784a3fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154618488576, -2784367922501641199, 0, 0, 140154618489280, 140154618488576, 2858488749057907729, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 5 (Thread 0x7f78493f8700 (LWP 9055)):
#0  0x000000000070a6a0 in Server::getBuiltinLuaPath() ()
No symbol table info available.
#1  0x000000000049bb11 in AsyncWorkerThread::Thread() ()
No symbol table info available.
#2  0x0000000000489963 in JThread::TheThread(void*) ()
No symbol table info available.
#3  0x00007f785f2300a5 in start_thread (arg=0x7f78493f8700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f78493f8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154601703168, -2784367922501641199, 0, 0, 140154601703872, 140154601703168, 2858486546813426705, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 4 (Thread 0x7f784f4fe700 (LWP 9050)):
#0  0x00007f785dfce39d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f7850b81461 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007f7850b728e1 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007f7850b72f7e in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007f7850b73030 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#5  0x00007f7850b813f6 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#6  0x00007f785071e628 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
No symbol table info available.
#7  0x00007f785f2300a5 in start_thread (arg=0x7f784f4fe700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f784f4fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154703439616, -2784367922501641199, 0, 0, 140154703440320, 140154703439616, 2858500158638529553, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 3 (Thread 0x7f784acfc700 (LWP 9051)):
#0  0x00007f785f2374fd in nanosleep () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f785ffd2328 in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
No symbol table info available.
#2  0x00007f785ffddce3 in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
No symbol table info available.
#3  0x00007f785ffd19da in ?? () from /usr/lib/x86_64-linux-gnu/libopenal.so.1
No symbol table info available.
#4  0x00007f785f2300a5 in start_thread (arg=0x7f784acfc700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f784acfc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154627933952, -2784367922501641199, 0, 0, 140154627934656, 140154627933952, 2858490259812654097, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#5  0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7f7851c2a700 (LWP 9048)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f78548cd29b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#2  0x00007f78548cc9c7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#3  0x00007f785f2300a5 in start_thread (arg=0x7f7851c2a700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f7851c2a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154744514304, -2784367922501641199, 0, 0, 140154744515008, 140154744514304, 2858470358007946257, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7f784abfb700 (LWP 9052)):
#0  0x00007f785df14d27 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 9044
        selftid = 9052
#1  0x00007f785df16418 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f785df569f4 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f785e05fa40 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
        ap = {{gp_offset = 40, fp_offset = 0, overflow_arg_area = 0x7f784abfabd0, reg_save_area = 0x7f784abfab60}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f785df5e006 in malloc_printerr (ptr=<optimized out>, str=0x7f785e05fb28 "double free or corruption (!prev)", action=1) at malloc.c:4996
        buf = "0000000001f17540"
        cp = <optimized out>
#4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
#5  0x00007f785e884424 in std::string::reserve(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0x0000000000665682 in Logbuf::xsputn(char const*, long) ()
No symbol table info available.
#7  0x00007f785e8599e6 in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#8  0x000000000049d916 in ScriptApiBase::loadScript(std::string const&) ()
No symbol table info available.
#9  0x000000000049bb93 in AsyncWorkerThread::Thread() ()
No symbol table info available.
#10 0x0000000000489963 in JThread::TheThread(void*) ()
No symbol table info available.
#11 0x00007f785f2300a5 in start_thread (arg=0x7f784abfb700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f784abfb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140154626881280, -2784367922501641199, 0, 0, 140154626881984, 140154626881280, 2858489848032664593, 2858464590362450961}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#12 0x00007f785dfd884d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.