diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 9cedc1b9f0..f5a310f844 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -1732,6 +1732,8 @@ ServerLoop(void)
 								   lengthof(events),
 								   0 /* postmaster posts no wait_events */ );
 
+		elog(LOG, "nevents = %d", nevents);
+
 		/*
 		 * Latch set by signal handler, or new connection pending on any of
 		 * our sockets? If the latter, fork a child process to deal with it.
@@ -1740,6 +1742,7 @@ ServerLoop(void)
 		{
 			if (events[i].events & WL_LATCH_SET)
 			{
+				elog(LOG, "events[%i] = WL_LATCH_SET", i);
 				ResetLatch(MyLatch);
 
 				/* Process work requested via signal handlers. */
@@ -1756,6 +1759,7 @@ ServerLoop(void)
 			{
 				Port	   *port;
 
+				elog(LOG, "events[%i] = WL_SOCKET_ACCEPT", i);
 				port = ConnCreate(events[i].fd);
 				if (port)
 				{
@@ -2679,6 +2683,8 @@ handle_pm_reload_request_signal(SIGNAL_ARGS)
 {
 	int			save_errno = errno;
 
+	pg_usleep(10000);
+
 	pending_pm_reload_request = true;
 	SetLatch(MyLatch);
 
diff --git a/src/backend/storage/ipc/latch.c b/src/backend/storage/ipc/latch.c
index d79d71a851..99b0aade1c 100644
--- a/src/backend/storage/ipc/latch.c
+++ b/src/backend/storage/ipc/latch.c
@@ -1465,6 +1465,9 @@ WaitEventSetWait(WaitEventSet *set, long timeout,
 			break;
 		}
 
+		if (set->latch)
+			pg_usleep(1000000);
+
 		/*
 		 * Wait for events using the readiness primitive chosen at the top of
 		 * this file. If -1 is returned, a timeout has occurred, if 0 we have