diff -upr sysstat-10.1.5.orig/sadc.c sysstat-10.1.5/sadc.c

--- sysstat-10.1.5.orig/sadc.c	2013-03-23 17:31:46.000000000 +0100

+++ sysstat-10.1.5/sadc.c	2016-04-29 17:52:11.438614928 +0200

@@ -225,17 +225,19 @@ void alarm_handler(int sig)

  */

 void int_handler(int sig)

 {

-	if (!optz) {

-		/* sadc hasn't been called by sar */

+        pid_t ppid = getppid();

+

+        if (!optz || (ppid == 1)) {

+		/* sadc hasn't been called by sar or sar process is already dead */

 		exit(1);

 	}

-	

+

 	/*

 	 * When starting sar then pressing ctrl/c, SIGINT is received

 	 * by sadc, not sar. So send SIGINT to sar so that average stats

 	 * can be displayed.

 	 */

-	if (kill(getppid(), SIGINT) < 0) {

+	if (kill(ppid, SIGINT) < 0) {

 		exit(1);

 	}

 }