Index: trunk/psLib/src/mathtypes/psVector.c
===================================================================
--- trunk/psLib/src/mathtypes/psVector.c	(revision 24572)
+++ trunk/psLib/src/mathtypes/psVector.c	(revision 24619)
@@ -182,5 +182,6 @@
 
     // zero the vector
-    memset (vector->data.U8, 0, byteSize);
+    // memset (vector->data.U8, 0, byteSize);
+    // XXX for reasons I don't understand, this breaks ppStack...
 
     return vector;