Index: /trunk/src/VBox/Devices/Storage/DevBusLogic.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/DevBusLogic.cpp	(revision 67916)
+++ /trunk/src/VBox/Devices/Storage/DevBusLogic.cpp	(revision 67917)
@@ -2248,6 +2248,10 @@
                      * Reply finished, set command complete bit, unset data-in ready bit and
                      * interrupt the guest if enabled.
+                     * NB: Some commands do not set the CMDC bit / raise completion interrupt.
                      */
-                    buslogicCommandComplete(pBusLogic, false);
+                    if (pBusLogic->uOperationCode == BUSLOGICCOMMAND_FETCH_HOST_ADAPTER_LOCAL_RAM)
+                        buslogicCommandComplete(pBusLogic, true /* fSuppressIrq */);
+                    else
+                        buslogicCommandComplete(pBusLogic, false);
                 }
             }