Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1229482256 (LWP 25142)]
0xb7ad69ca in osg::LightModel::apply (this=0xcab8648)
    at /home/fugalh/src/OpenSceneGraph/src/osg/LightModel.cpp:52
52          static bool s_separateSpecularSupported = strncmp((const char*)glGetString(GL_VERSION),"1.2",3)>=0;
(gdb) bt
#0  0xb7ad69ca in osg::LightModel::apply (this=0xcab8648)
    at /home/fugalh/src/OpenSceneGraph/src/osg/LightModel.cpp:52
#1  0xb7b2e681 in osg::State::applyAttributeList (this=0x8829478, 
    attributeMap=@0x8829548, attributeList=@0xd1709e8)
    at /home/fugalh/src/OpenSceneGraph/include/osg/State:1155
#2  0xb7b26a44 in osg::State::apply (this=0x8829478, dstate=0xd1709a8)
    at /home/fugalh/src/OpenSceneGraph/src/osg/State.cpp:377
#3  0xb7da4667 in osgUtil::RenderLeaf::render (this=0xf192bb0, 
    renderInfo=@0xbfaca874, previous=0xc6d0020)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/RenderLeaf.cpp:47
#4  0xb7d9ce03 in osgUtil::RenderBin::drawImplementation (this=0x88296f0, 
    renderInfo=@0xbfaca874, previous=@0xbfacaa24)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/RenderBin.cpp:425
#5  0xb7da6925 in osgUtil::RenderStage::drawImplementation (this=0x88296f0, 
    renderInfo=@0xbfaca874, previous=@0xbfacaa24)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/RenderStage.cpp:1052
#6  0xb7d9c8e0 in osgUtil::RenderBin::draw (this=0x3, renderInfo=@0xbfaca874, 
    previous=@0xbfacaa24)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/RenderBin.cpp:370
#7  0xb7da6203 in osgUtil::RenderStage::drawInner (this=0x88296f0, 
    renderInfo=@0xbfaca874, previous=@0xbfacaa24, doCopyTexture=@0xbfaca897)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/RenderStage.cpp:719
#8  0xb7daddc4 in osgUtil::RenderStage::draw (this=0x88296f0, 
    renderInfo=@0x86fa6fc, previous=@0xbfacaa24)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/RenderStage.cpp:914
#9  0xb7db4be0 in osgUtil::SceneView::draw (this=0x86fa6a0)
    at /home/fugalh/src/OpenSceneGraph/src/osgUtil/SceneView.cpp:1332
#10 0x08068c0f in FGRenderer::update (refresh_camera_settings=true)
    at renderer.cxx:836
#11 0x08067772 in FGRenderer::update () at renderer.hxx:41
#12 0x080aa6a1 in GLUTdraw () at fg_os.cxx:128
#13 0xb7961066 in ?? () from /usr/lib/libglut.so.3
#14 0x0878bec0 in ?? ()
#15 0x46a4eb5f in ?? ()
#16 0x000dc053 in ?? ()
#17 0xb797d100 in ?? () from /usr/lib/libglut.so.3
#18 0x0878bec0 in ?? ()
#19 0x00004ab4 in ?? ()
#20 0xbfacaf78 in ?? ()
#21 0x0878bec0 in ?? ()
#22 0x0878bec0 in ?? ()
#23 0xb7961fc2 in glutMainLoop () from /usr/lib/libglut.so.3
#24 0xb796435e in fgEnumWindows () from /usr/lib/libglut.so.3
#25 0xb79618c5 in glutMainLoopEvent () from /usr/lib/libglut.so.3
#26 0xb7961d55 in glutMainLoop () from /usr/lib/libglut.so.3
#27 0x080626ee in fgMainInit (argc=3, argv=0xbfacb294) at main.cxx:1071
#28 0x08061581 in main (argc=Cannot access memory at address 0x3
) at bootstrap.cxx:220