diff --git a/doc/scst_user_spec.txt b/doc/scst_user_spec.txt
index 423e18281..2b57e2812 100644
--- a/doc/scst_user_spec.txt
+++ b/doc/scst_user_spec.txt
@@ -2,7 +2,7 @@
 
 	  USER SPACE INTERFACE DESCRIPTION.
 
-		   Version 0.9.6
+		   Version 0.9.6/1
 
 
 		I. Description.
@@ -570,6 +570,7 @@ struct scst_user_scsi_cmd_on_free_cmd
 	uint64_t pbuf;
 	int32_t resp_data_len;
 	uint8_t buffer_cached;
+	uint8_t aborted;
 	uint8_t status;
 },
 
@@ -582,6 +583,8 @@ where:
 
  - buffer_cached - true, if memory reusage is enabled for this command
 
+ - aborted - true, if command was aborted
+
  - status - SAM status of the commands execution
    
 The user space handler should reply using the corresponding reply
diff --git a/usr/fileio/common.c b/usr/fileio/common.c
index 163050100..a5209b14f 100644
--- a/usr/fileio/common.c
+++ b/usr/fileio/common.c
@@ -800,7 +800,7 @@ out_close:
 	close(vcmd.fd);
 
 out:
-	PRINT_INFO_PR("Thread %d exited (res=%d)", gettid(), res);
+	PRINT_INFO_PR("Thread %d exiting (res=%d)", gettid(), res);
 
 	TRACE_EXIT_RES(res);
 	return (void*)res;
diff --git a/usr/fileio/debug.h b/usr/fileio/debug.h
index e2dba9ede..5b28ee14a 100644
--- a/usr/fileio/debug.h
+++ b/usr/fileio/debug.h
@@ -105,6 +105,9 @@ do {								\
 #define TRACE_BUFFER(message, buff, len) {}
 #define TRACE_BUFF_FLAG(flag, message, buff, len) {}
 
+static inline int debug_init(void) { return 0; }
+static inline void debug_done(void) {}
+
 #endif /* DEBUG || TRACING */
 
 #ifdef DEBUG
diff --git a/usr/fileio/fileio.c b/usr/fileio/fileio.c
index 6e392ff5d..5c6af5049 100644
--- a/usr/fileio/fileio.c
+++ b/usr/fileio/fileio.c
@@ -396,7 +396,7 @@ int main(int argc, char **argv)
 		goto out_close;
 	}
 
-#if 0
+#if 1
 	{
 		/* Not needed, added here only as a test */
 		struct scst_user_opt opt;
@@ -464,8 +464,11 @@ int main(int argc, char **argv)
 				res = errno;
 				PRINT_ERROR_PR("pthread_join() failed: %s",
 					strerror(res));
-			} else if (rc1 != NULL)
+			} else if (rc1 != NULL) {
 				res = (int)rc1;
+				PRINT_INFO("Thread %d exited, res %x", i, res);
+			} else
+				PRINT_INFO("Thread %d exited", i);
 		}
 		if (dev.prio_thr) {
 			rc = pthread_join(prio, &rc1);
@@ -473,8 +476,11 @@ int main(int argc, char **argv)
 				res = errno;
 				PRINT_ERROR_PR("Prio pthread_join() failed: %s",
 					strerror(res));
-			} else if (rc1 != NULL)
+			} else if (rc1 != NULL) {
 				res = (int)rc1;
+				PRINT_INFO("Prio thread %d exited, res %x", i, res);
+			} else
+				PRINT_INFO("Prio thread %d exited", i);
 		}
 	}