Index: trunk/pstamp/scripts/pstampparse.pl
===================================================================
--- trunk/pstamp/scripts/pstampparse.pl	(revision 27921)
+++ trunk/pstamp/scripts/pstampparse.pl	(revision 27922)
@@ -873,7 +873,8 @@
 
     # XXX: The update process for warp and subsequent stages requires 
-    # destreaking to run otherwise things don't get output by the -pending
-    # queries.
-    $need_magic = 1;
+    # destreaking to run because the -pending queries require it when magicked > 0
+    # queries. 
+    # The case of stack-stack diffs is taken care of in pstamp_checkdependent
+    $need_magic = 1 if $imagedb eq 'gpc1';
 
     if (($state ne 'cleaned') and ($state ne 'update') and ($state ne 'goto_cleaned')) {