--- a/servlib/bundling/BPQBlock.cc	Mon Aug 15 12:35:59 2011 +0100
+++ b/servlib/bundling/BPQBlock.cc	Mon Aug 15 13:42:11 2011 +0100
@@ -211,11 +211,13 @@
     u_int len = block->data_length();
     log_debug_p(LOG, "BPQBlock::initialise: len = %u", len);
     u_int num_frags;
+    ASSERT ( block->data() != NULL );
     u_char* buf = block->data();
-    log_debug_p(LOG, "BPQBlock::initialise: buf = %s", buf);
+    //log_debug_p(LOG, "BPQBlock::initialise: buf = %s", buf);
 
     // BPQ-kind             1-byte
     if ( i < len ) {
+        ASSERT ( buf[i] == 0 || buf[i] == 1 );
         kind_ = (kind_t) buf[i++];
         log_debug_p(LOG, "BPQBlock::initialise: kind = %d", kind_);
     }