diff --git a/src/dev/dma_device.cc b/src/dev/dma_device.cc
index 24e931ef8d..70a74eeb2f 100644
--- a/src/dev/dma_device.cc
+++ b/src/dev/dma_device.cc
@@ -68,6 +68,7 @@ DmaPort::handleRespPacket(PacketPtr pkt, Tick delay)
 {
     // Should always see a response with a sender state.
     assert(pkt->isResponse());
+    warn_if(pkt->isError(), "Response pkt error.");
 
     // Get the DMA sender state.
     auto *state = dynamic_cast<DmaReqState*>(pkt->senderState);