Index: /trunk/include/VBox/err.h
===================================================================
--- /trunk/include/VBox/err.h	(revision 29953)
+++ /trunk/include/VBox/err.h	(revision 29954)
@@ -628,4 +628,7 @@
 /** The field contains a value that is out of range. */
 #define VERR_SSM_FIELD_INVALID_VALUE            (-1870)
+/** Generic stream error. */
+#define VERR_SSM_STREAM_ERROR                   (-1871)
+
 /** @} */
 
Index: /trunk/src/VBox/VMM/SSM.cpp
===================================================================
--- /trunk/src/VBox/VMM/SSM.cpp	(revision 29953)
+++ /trunk/src/VBox/VMM/SSM.cpp	(revision 29954)
@@ -2836,4 +2836,7 @@
             }
         }
+
+        if (!ASMAtomicReadBool(&pStrm->fTerminating))
+            RTSemEventSignal(pStrm->hEvtFree);
     }
     else
@@ -2863,4 +2866,7 @@
             }
         }
+
+        if (!ASMAtomicReadBool(&pStrm->fTerminating))
+            RTSemEventSignal(pStrm->hEvtHead);
     }
 
@@ -5416,7 +5422,7 @@
         return rc;
 
-    if (pSSM->enmAfter != SSMAFTER_DEBUG_IT)
-        AssertMsgFailed(("SSM: attempted reading more than the unit!\n"));
-    return VERR_SSM_LOADED_TOO_MUCH;
+    if (pSSM->enmAfter != SSMAFTER_DEBUG_IT && rc == VERR_EOF)
+        AssertMsgFailedReturn(("SSM: attempted reading more than the unit! rc=%Rrc\n", rc), VERR_SSM_LOADED_TOO_MUCH);
+    return VERR_SSM_STREAM_ERROR;
 }