#0  0x00007ffff6d70d97 in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#1  0x00007ffff6d7100d in _Unwind_RaiseException () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#2  0x00007ffff725c9e1 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00000000005248bf in Map::getNode (this=<optimized out>, p=...) at /opt/minetest-4.2rc1_20120821/src/map.cpp:195
#4  0x00000000004bba99 in collisionMoveSimple (map=0xe8d770, gamedef=0x7fffffffd7f8, pos_max_d=2.5, box_0=..., stepheight=0, dtime=16.5000343, pos_f=...,
    speed_f=..., accel_f=...) at /opt/minetest-4.2rc1_20120821/src/collision.cpp:233
#5  0x00000000004a3497 in LuaEntitySAO::step (this=0x1034260, dtime=16.5000343, send_recommended=true) at /opt/minetest-4.2rc1_20120821/src/content_sao.cpp:458
#6  0x00000000004ebdd4 in ServerEnvironment::step (this=0xe4fcd0, dtime=16.5000343) at /opt/minetest-4.2rc1_20120821/src/environment.cpp:1179
#7  0x0000000000501360 in Server::AsyncRunStep (this=0x7fffffffd7e0) at /opt/minetest-4.2rc1_20120821/src/server.cpp:1331
#8  0x000000000050c185 in ServerThread::Thread (this=0x7fffffffdc40) at /opt/minetest-4.2rc1_20120821/src/server.cpp:129
#9  0x00000000005556c3 in JThread::TheThread (param=0x7fffffffdc40) at /opt/minetest-4.2rc1_20120821/src/jthread/pthread/jthread.cpp:166
#10 0x00007ffff770ab50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffff6ab29dd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()