(gdb) bt full
#0  0x0808008f in FieldPerceptorV2::findBorder (this=0xbffff334, data=...)
    at /home/robert/programming/RoboCup-SPL-FrameWork/Src/Vision/Perceptors/FieldPerceptorV2.cpp:68
        j = 0
        skip = false
        index = 30
        i = 496
        possiblePointDown = {x = 480, y = 39}
        possiblePointUp = {x = -1, y = -1}
        evaluatedPoints = @0x80c2ef0
#1  0x0807b45b in Perception::extract_objects (this=0xbffff320, data=...,
    snapshot=...)
    at /home/robert/programming/RoboCup-SPL-FrameWork/Src/Vision/Perceptors/Perception.cpp:21
        startPointBall = {x = -1, y = -1}
        fieldBorder = @0x39a6c0
#2  0x0806d7a2 in main (argc=3, argv=0xbffff474)
    at /home/robert/programming/RoboCup-SPL-FrameWork/Src/Tests/Vision/runPerception.cpp:40
        file = {<NaoCamera::Image> = {_vptr.Image = 0x80a3268,
            buffer = 0xb7f4c008 "\377", width = 640, height = 480,
            bytesUsed = 614400, bytesPerLine = 1280, bytesPerPixel = 2},
          name = {static npos = 4294967295,
---Type <return> to continue, or q <return> to quit---
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x80c2edc "ball.yuv"}}}
        snapshot = {
          balls = {<std::_Vector_base<SnapshotObjects::Ball, std::allocator<SnapshotObjects::Ball> >> = {
              _M_impl = {<std::allocator<SnapshotObjects::Ball>> = {<__gnu_cxx::new_allocator<SnapshotObjects::Ball>> = {<No data fields>}, <No data fields>},
                _M_start = 0x0, _M_finish = 0x0,
                _M_end_of_storage = 0x0}}, <No data fields>},
          goals = {<std::_Vector_base<SnapshotObjects::Goal, std::allocator<SnapshotObjects::Goal> >> = {
              _M_impl = {<std::allocator<SnapshotObjects::Goal>> = {<__gnu_cxx::new_allocator<SnapshotObjects::Goal>> = {<No data fields>}, <No data fields>},
                _M_start = 0x0, _M_finish = 0x0,
                _M_end_of_storage = 0x0}}, <No data fields>},
          robots = {<std::_Vector_base<SnapshotObjects::Robot, std::allocator<SnapshotObjects::Robot> >> = {
              _M_impl = {<std::allocator<SnapshotObjects::Robot>> = {<__gnu_cxx::new_allocator<SnapshotObjects::Robot>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0,
                _M_end_of_storage = 0x0}}, <No data fields>},
          intersections = {<std::_Vector_base<SnapshotObjects::Intersection, std::allocator<SnapshotObjects::Intersection> >> = {
---Type <return> to continue, or q <return> to quit---
              _M_impl = {<std::allocator<SnapshotObjects::Intersection>> = {<__gnu_cxx::new_allocator<SnapshotObjects::Intersection>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0,
                _M_end_of_storage = 0x0}}, <No data fields>},
          lines = {<std::_List_base<SnapshotObjects::Line, std::allocator<SnapshotObjects::Line> >> = {
              _M_impl = {<std::allocator<std::_List_node<SnapshotObjects::Line> >> = {<__gnu_cxx::new_allocator<std::_List_node<SnapshotObjects::Line> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0xbffff310,
                  _M_prev = 0xbffff310}}}, <No data fields>}, timestamp = {
            tv_sec = 0, tv_usec = 0}}
        end = {tv_sec = -1073745000, tv_usec = 134662564}
        time = {tv_sec = 0, tv_usec = 0}
        start = {tv_sec = 1328270046, tv_usec = 449374}
        result = warning: can't find linker symbol for virtual table for `timeval' value
{tv_sec = 4616996, tv_usec = 134979572}
        i = 2
        config = {playernr = 1, teamnr = 3, portnr = 10555, DEMO = true,
          FW_CONTROLLER = false, DCM_CONTROLLER = false}
        perception = {ballFinder = {<Perceptor> = {
              _vptr.Perceptor = 0x80a4208}, maxRed = -1, startPoint = {x = -1,
              y = -1}}, fieldFinder = {<Perceptor> = {
              _vptr.Perceptor = 0x80a42e8}, <No data fields>},
          fieldFinder2 = {<Perceptor> = {
---Type <return> to continue, or q <return> to quit---
              _vptr.Perceptor = 0x80a43a8}, <No data fields>},
          goalFinder = {<Perceptor> = {_vptr.Perceptor = 0x80a44e8},
            possiblePosts = {<std::_List_base<SnapshotObjects::Post, std::allocator<SnapshotObjects::Post> >> = {
                _M_impl = {<std::allocator<std::_List_node<SnapshotObjects::Post> >> = {<__gnu_cxx::new_allocator<std::_List_node<SnapshotObjects::Post> >> = {<No data fields>}, <No data fields>}, _M_node = {_M_next = 0xbffff33c,
                    _M_prev = 0xbffff33c}}}, <No data fields>}},
          lineFinder = {<Perceptor> = {_vptr.Perceptor = 0x80a4608},
            fieldBorder = {_M_instance = {0, 0}}}}
(gdb)