@@ -, +, @@ 
---
 src/rc/runscript.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
--- a/src/rc/runscript.c	
+++ a/src/rc/runscript.c	
@@ -300,9 +300,15 @@ write_prefix(const char *buffer, size_t bytes, bool *prefixed)
 	/* Spin until we lock the prefix */
 	for (;;) {
 		lock_fd = open(PREFIX_LOCK, O_WRONLY | O_CREAT, 0664);
-		if (lock_fd != -1)
+		if (lock_fd != -1) {
 			if (flock(lock_fd, LOCK_EX) == 0)
 				break;
+		}
+		else {
+			eerror("Error: open(%s) failed:: %s", PREFIX_LOCK, strerror(errno));
+			eerror("Please make sure you have enough permissions");
+			break;
+		}
 		close(lock_fd);
 	}
 
--