diff -r bd376adfb7d4 -r b87ca279e34d src/mem/coherent_xbar.cc
--- a/src/mem/coherent_xbar.cc	Thu Jan 22 05:01:14 2015 -0500
+++ b/src/mem/coherent_xbar.cc	Mon Jan 26 14:35:49 2015 -0600
@@ -308,6 +308,10 @@
         snoopFilter->updateResponse(pkt, *slavePorts[slave_port_id]);
     }
 
+    // remove the request from the routing table
+    // must remove before sending the response in case this pointer gets re-used
+    routeTo.erase(route_lookup);
+
     // send the packet through the destination slave port
     bool success M5_VAR_USED = slavePorts[slave_port_id]->sendTimingResp(pkt);
 
@@ -315,9 +319,6 @@
     // deadlock
     assert(success);
 
-    // remove the request from the routing table
-    routeTo.erase(route_lookup);
-
     respLayers[slave_port_id]->succeededTiming(packetFinishTime);
 
     // stats updates