# Node ID cf108c6a0aa0a37d4ee6df161df82ca3b9d3d038
# Parent  b09e5d4ea2b3753dea9e583875625a89c8a33d10
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -1807,7 +1807,7 @@
     Tick nextReady = std::min(mshrQueue.nextMSHRReadyTime(),
                               writeBuffer.nextMSHRReadyTime());
 
-    if (prefetcher) {
+    if (prefetcher && !mshrQueue.isFull()) {
         nextReady = std::min(nextReady,
                              prefetcher->nextPrefetchReadyTime());
     }
diff --git a/src/mem/packet_queue.cc b/src/mem/packet_queue.cc
--- a/src/mem/packet_queue.cc
+++ b/src/mem/packet_queue.cc
@@ -180,7 +180,7 @@
         // if the sendTiming caused someone else to call our
         // recvTiming we could already have an event scheduled, check
         if (!sendEvent.scheduled())
-            em.schedule(&sendEvent, std::max(nextReady, curTick() + 1));
+            em.schedule(&sendEvent, std::max(nextReady, curTick()));
     } else {
         // no more to send, so if we're draining, we may be done
         if (drainManager && transmitList.empty() && !sendEvent.scheduled()) {