Index: /trunk/src/VBox/Devices/Storage/DrvDiskIntegrity.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/DrvDiskIntegrity.cpp	(revision 29494)
+++ /trunk/src/VBox/Devices/Storage/DrvDiskIntegrity.cpp	(revision 29495)
@@ -523,4 +523,5 @@
 
             if (   pIoReq
+                && (tsCurr > pReqActive->tsStart)
                 && (tsCurr - pReqActive->tsStart) >= pThis->uExpireIntervalMs)
             {