Index: /trunk/src/VBox/GuestHost/OpenGL/state_tracker/state_bufferobject.c
===================================================================
--- /trunk/src/VBox/GuestHost/OpenGL/state_tracker/state_bufferobject.c	(revision 29994)
+++ /trunk/src/VBox/GuestHost/OpenGL/state_tracker/state_bufferobject.c	(revision 29995)
@@ -76,4 +76,8 @@
     RESET(bb->arrayBinding, ctx->bitid);
     RESET(bb->elementsBinding, ctx->bitid);
+#ifdef CR_ARB_pixel_buffer_object
+    RESET(bb->unpackBinding, ctx->bitid);
+    RESET(bb->packBinding, ctx->bitid);
+#endif
 
 #ifdef IN_GUEST
@@ -91,5 +95,5 @@
     b->unpackBuffer = b->nullBuffer;
     b->nullBuffer->refCount += 2;
-#endif    
+#endif
 
     b->buffers = crAllocHashtable();