--- osg.org/Texture.cpp		2008-10-29 21:51:51.000000000 +0900
+++ osg/Texture.cpp  	2008-10-29 21:51:51.000000000 +0900
@@ -1402,6 +1402,13 @@
 
 bool Texture::isHardwareMipmapGenerationEnabled(const State& state) const
 {
+#ifdef __APPLE__
+    // disable hardware mipmapping for avoiding crash on Mac/nVidia 7300GT
+    if (strcmp((const char*)glGetString(GL_RENDERER), "NVIDIA GeForce 7300 GT OpenGL Engine") == 0) {
+        return false;
+    }
+#endif
+
     if (_useHardwareMipMapGeneration)
     {
         unsigned int contextID = state.getContextID();