From 08326b2d0950cb0a31de215bcee27aa070ec3a1f Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Mon, 12 May 2014 23:04:00 +1000
Subject: [PATCH] More explicit message

---
 src/ckpool.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ckpool.c b/src/ckpool.c
index a0ef18f3..1f82fa17 100644
--- a/src/ckpool.c
+++ b/src/ckpool.c
@@ -87,7 +87,8 @@ static bool write_pid(ckpool_t *ckp, const char *path, pid_t pid)
 		fclose(fp);
 		if (ret == 1 && !(kill(oldpid, 0))) {
 			if (!ckp->killold) {
-				LOGEMERG("Process %s pid %d still exists", path, oldpid);
+				LOGEMERG("Process %s pid %d still exists, start ckpool with -k if you wish to kill it",
+					 path, oldpid);
 				return false;
 			}
 			if (kill(oldpid, 9)) {