Program received signal SIGTRAP, Trace/breakpoint trap.
0x7c90120f in ntdll!DbgUiConnectToDbg () from D:\WINDOWS\system32\ntdll.dll
(gdb) thread apply all  bt full

Thread 10 (Thread 3280.0x430):
#0  0x7c90e514 in ntdll!LdrAccessResource ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#1  0x7c90df5a in ntdll!ZwWaitForSingleObject ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#2  0x7c919b23 in ntdll!RtlpWaitForCriticalSection ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#3  0x7c901046 in ntdll!RtlEnumerateGenericTableLikeADirectory ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#4  0x00369d4c in ?? ()
No symbol table info available.
#5  0x00507467 in JMutex::Lock (this=0x6369d4c)
    at C:\tmp\minetest\src\jthread\win32\jmutex.cpp:65
No locals.
#6  0x0045ddbb in JMutexAutoLock (this=0x6369ec8)
    at C:/tmp/minetest/src/jthread/jmutexautolock.h:37
No locals.
#7  EmergeThread::Thread (this=0x6369ec8)
    at C:\tmp\minetest\src\server.cpp:261
        q = {ptr = 0x20ebb70, refcount = 0x20eb550}
        p = @0x20ebb70
        only_from_disk = false
        modified_blocks = {Root = 0x20fdc30, Size = 27}
        qptr = 0x20ebb70
        map = <value optimized out>
        block = 0x20ba950
        lock = {mutex = @0xd0a03}
        got_block = false
        __debug_stacker = {m_stack = 0x7120048, m_overflowed = false}
        __FUNCTION__ = "Thread"
        enable_mapgen_debug_info = false
#8  0x005074e9 in JThread::TheThread (param=0x6369ec8)
    at C:\tmp\minetest\src\jthread\win32\jthread.cpp:163
        jthread = 0x6369ec8
        ret = <value optimized out>
#9  0x77c2a3b0 in msvcrt!_endthreadex () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#10 0x7c80b729 in KERNEL32!GetModuleFileNameA ()
   from D:\WINDOWS\system32\kernel32.dll
No symbol table info available.
#11 0x00000000 in ?? ()
No symbol table info available.

Thread 3 (Thread 3280.0xbf8):
#0  0x7c90e514 in ntdll!LdrAccessResource ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#1  0x7c90d21a in ntdll!ZwDelayExecution () from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#2  0x7c8023f1 in SleepEx () from D:\WINDOWS\system32\kernel32.dll
No symbol table info available.
#3  0x00000000 in ?? ()
No symbol table info available.

Thread 2 (Thread 3280.0x338):
#0  0x7c90e514 in ntdll!LdrAccessResource ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#1  0x7c90df5a in ntdll!ZwWaitForSingleObject ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#2  0x7c919b23 in ntdll!RtlpWaitForCriticalSection ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#3  0x7c901046 in ntdll!RtlEnumerateGenericTableLikeADirectory ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
warning: (Internal error: pc 0x607 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x607 in read in psymtab, but not in symtab.)

#4  0x00000608 in ?? (warning: (Internal error: pc 0x607 in read in psymtab, but
 not in symtab.)

)
    at c:/mingw/bin/../lib/gcc/mingw32/4.5.2/include/c++/bits/basic_string.h:310

warning: (Internal error: pc 0x607 in read in psymtab, but not in symtab.)

No symbol table info available.
warning: (Internal error: pc 0x607 in read in psymtab, but not in symtab.)

#5  0x7c96fb80 in ntdll!RtlpNtMakeTemporaryKey ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#6  0x7c94b244 in ntdll!LdrFindEntryForAddress ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#7  0x02000000 in ?? ()
No symbol table info available.
#8  0x7c919c0c in ntdll!RtlpUnWaitCriticalSection ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#9  0x77c1c3c9 in msvcrt!free () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#10 0x02000000 in ?? ()
No symbol table info available.
#11 0x77c1c3e7 in msvcrt!free () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
warning: (Internal error: pc 0x35f in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x35f in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x35f in read in psymtab, but not in symtab.)

#12 0x00000360 in ?? (warning: (Internal error: pc 0x35f in read in psymtab, but
 not in symtab.)

)
    at c:/mingw/bin/../lib/gcc/mingw32/4.5.2/include/c++/bits/basic_string.h:233

warning: (Internal error: pc 0x35f in read in psymtab, but not in symtab.)

No symbol table info available.
warning: (Internal error: pc 0x35f in read in psymtab, but not in symtab.)

#13 0x06d1fa48 in ?? ()
No symbol table info available.
#14 0x77c1c42e in msvcrt!malloc () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#15 0x77c234c3 in msvcrt!__argc () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
warning: (Internal error: pc 0x350 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x350 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x350 in read in psymtab, but not in symtab.)

#16 0x00000351 in ?? (warning: (Internal error: pc 0x350 in read in psymtab, but
 not in symtab.)

)
    at c:/mingw/bin/../lib/gcc/mingw32/4.5.2/include/c++/bits/basic_string.h:533

warning: (Internal error: pc 0x350 in read in psymtab, but not in symtab.)

No symbol table info available.
warning: (Internal error: pc 0x350 in read in psymtab, but not in symtab.)

#17 0x0000f300 in ?? ()
No symbol table info available.
warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

#18 0x00000001 in ?? (warning: (Internal error: pc 0x0 in read in psymtab, but n
ot in symtab.)

) at C:/tmp/minetest/src//utility.h:363
warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

No symbol table info available.
warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

#19 0x77c23bf5 in msvcrt!__argc () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#20 0x00000000 in ?? ()
No symbol table info available.

Thread 1 (Thread 3280.0x5e8):
#0  0x7c90120f in ntdll!DbgUiConnectToDbg ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#1  0x7c96ee31 in ntdll!RtlpNtMakeTemporaryKey ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#2  0x7c96f26e in ntdll!RtlpNtMakeTemporaryKey ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#3  0x7c970456 in ntdll!RtlpNtMakeTemporaryKey ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#4  0x7c94bafc in ntdll!LdrFindEntryForAddress ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#5  0x02000000 in ?? ()
No symbol table info available.
#6  0x7c91a1ba in ntdll!RtlpUnWaitCriticalSection ()
   from D:\WINDOWS\system32\ntdll.dll
No symbol table info available.
#7  0x77c1c2de in msvcrt!free () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#8  0x02000000 in ?? ()
No symbol table info available.
#9  0x77c23590 in msvcrt!__argc () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#10 0x0354ec28 in ?? ()
No symbol table info available.
#11 0x77c23c1b in msvcrt!__argc () from D:\WINDOWS\system32\msvcrt.dll
No symbol table info available.
#12 0x00000000 in ?? ()
No symbol table info available.
(gdb)