Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x1b6ccffc in osg::GraphicsContext::releaseContext (this=0x0) at /Users/lfugal/src/fg/OpenSceneGraph/src/osg/GraphicsContext.cpp:279
279 bool result = releaseContextImplementation();
(gdb) bt
#0 0x1b6ccffc in osg::GraphicsContext::releaseContext (this=0x0) at /Users/lfugal/src/fg/OpenSceneGraph/src/osg/GraphicsContext.cpp:279
#1 0x14277368 in osgUtil::RenderStage::draw (this=0x2dab1310, renderInfo=@0x235135c0, previous=@0xbffff048) at /Users/lfugal/src/fg/OpenSceneGraph/src/osgUtil/RenderStage.cpp:851
#2 0x1426ecc4 in osgUtil::RenderStage::drawPreRenderStages (this=0x0, renderInfo=@0x235135c0, previous=@0xbffff048) at /Users/lfugal/src/fg/OpenSceneGraph/src/osgUtil/RenderStage.cpp:207
#3 0x1428f2a8 in osgUtil::SceneView::draw (this=0x24a54fe0) at /Users/lfugal/src/fg/OpenSceneGraph/src/osgUtil/SceneView.cpp:1352
#4 0x000082e4 in FGRenderer::update (refresh_camera_settings=true) at renderer.cxx:577
#5 0x00037974 in GLUTdraw () at fg_os.cxx:128
#6 0x97e12438 in -[GLUTView drawRect:] ()
#7 0x97e122e4 in -[GLUTView handleWorkEvent:] ()
#8 0x97e2b61c in processWindowWorkList ()
#9 0x97e2b684 in __glutProcessWorkEvents ()
#10 0x97e1b1d8 in -[GLUTApplication run] ()
#11 0x97e2b954 in glutMainLoop ()
#12 0x00005218 in fgMainInit (argc=2, argv=0xbffffb70) at main.cxx:1071
#13 0x00003840 in main (argc=2, argv=0xbffffb70) at bootstrap.cxx:220