spring 96 - freeze bug

(gdb) bt full
#0  0x00007f4dc03dd5ec in __lll_lock_wait_private () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f4dc035d7a6 in _L_lock_12183 () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007f4dc035ad71 in malloc () from /lib64/libc.so.6
No symbol table info available.
#3  0x000000322fa5f64d in operator new(unsigned long) () from /lib64/libstdc++.so.6
No symbol table info available.
#4  0x000000322fabe1d9 in std::string::_Rep::_S_create(unsigned long, unsigned long, std::allocator<char> const&) () from /lib64/libstdc++.so.6
No symbol table info available.
#5  0x0000000000970951 in std::string::_S_construct<char const*> (__beg=0x7f4dc0454883 "Segmentation fault", __end=<optimized out>, __a=...)
    at /usr/include/c++/4.8.3/bits/basic_string.tcc:138
        __dnew = 18
        __r = <optimized out>
#6  0x000000322fabfec8 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&) ()
   from /lib64/libstdc++.so.6
No symbol table info available.
#7  0x00000000009aefb1 in CrashHandler::HandleSignal (signal=11) at /home/revenant/projects/spring96/spring/rts/System/Platform/Linux/CrashHandler.cpp:510
        aiCrash = 127
        error = <error reading variable: Cannot access memory at address 0x3000000000>
        nonFatalSignal = <optimized out>
        fatalSignal = <optimized out>
        keepRunning = <optimized out>
#8  <signal handler called>
No symbol table info available.
#9  0x00007f4dc03570bd in malloc_consolidate () from /lib64/libc.so.6
No symbol table info available.
#10 0x00007f4dc0357ce6 in _int_free () from /lib64/libc.so.6
No symbol table info available.
#11 0x00000000006de0c9 in CVertexArray::~CVertexArray (this=0x592fe70, __in_chrg=<optimized out>)
    at /home/revenant/projects/spring96/spring/rts/Rendering/GL/VertexArray.cpp:22
No locals.
#12 0x00000000006de0f9 in CVertexArray::~CVertexArray (this=0x592fe70, __in_chrg=<optimized out>)
    at /home/revenant/projects/spring96/spring/rts/Rendering/GL/VertexArray.cpp:26
No locals.
#13 0x00000000006c91a0 in SafeDelete<CVertexArray*> (a=@0x154b74e8: 0x0) at /home/revenant/projects/spring96/spring/rts/System/Util.h:176
        tmp = <optimized out>
#14 ~Scar (this=0x154b74a0, __in_chrg=<optimized out>) at /home/revenant/projects/spring96/spring/rts/Rendering/Env/Decals/GroundDecalHandler.cpp:1309
No locals.
---Type <return> to continue, or q <return> to quit---
#15 CGroundDecalHandler::~CGroundDecalHandler (this=0x2be9170, __in_chrg=<optimized out>)
    at /home/revenant/projects/spring96/spring/rts/Rendering/Env/Decals/GroundDecalHandler.cpp:124
        si =
#16 0x00000000006c93d9 in CGroundDecalHandler::~CGroundDecalHandler (this=0x2be9170, __in_chrg=<optimized out>)
    at /home/revenant/projects/spring96/spring/rts/Rendering/Env/Decals/GroundDecalHandler.cpp:137
No locals.
#17 0x00000000006a2656 in IGroundDecalDrawer::FreeInstance () at /home/revenant/projects/spring96/spring/rts/Rendering/Env/IGroundDecalDrawer.cpp:50
No locals.
#18 0x000000000046ba09 in SafeDelete<CWorldDrawer*> (a=@0x2792490: 0x0) at /home/revenant/projects/spring96/spring/rts/System/Util.h:176
        tmp = 0x7f4d6da326a0
#19 CGame::~CGame (this=0x2792350, __in_chrg=<optimized out>) at /home/revenant/projects/spring96/spring/rts/Game/Game.cpp:448
No locals.
#20 0x000000000046c309 in CGame::~CGame (this=0x2792350, __in_chrg=<optimized out>) at /home/revenant/projects/spring96/spring/rts/Game/Game.cpp:523
No locals.
#21 0x000000000095dca8 in SpringApp::ShutDown () at /home/revenant/projects/spring96/spring/rts/System/SpringApp.cpp:1070
        numCalls = 1
        __FUNCTION__ = "ShutDown"
#22 0x000000000095e0aa in SpringApp::Run (this=this@entry=0x7fff07e700d0) at /home/revenant/projects/spring96/spring/rts/System/SpringApp.cpp:1039
        __FUNCTION__ = "Run"
#23 0x0000000000937765 in Run (argc=argc@entry=2, argv=argv@entry=0x7fff07e70388) at /home/revenant/projects/spring96/spring/rts/System/Main.cpp:65
        app = {cmdline = 0x2358be0}
        ret = -1
        err = <optimized out>
        __FUNCTION__ = "Run"
#24 0x000000000093801c in main (argc=2, argv=0x7fff07e70388) at /home/revenant/projects/spring96/spring/rts/System/Main.cpp:125
No locals.
(gdb)