diff --git a/cmd-attach-session.c b/cmd-attach-session.c
index b92a7f2b..4e2d15da 100644
--- a/cmd-attach-session.c
+++ b/cmd-attach-session.c
@@ -158,6 +158,9 @@ cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
 		c->flags |= CLIENT_ATTACHED;
 	}
 
+	if (cfg_finished)
+		cfg_show_causes(s);
+
 	return (CMD_RETURN_NORMAL);
 }
 
diff --git a/cmd-new-session.c b/cmd-new-session.c
index b946f049..c90369bc 100644
--- a/cmd-new-session.c
+++ b/cmd-new-session.c
@@ -333,13 +333,6 @@ cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
 			server_client_set_key_table(c, NULL);
 	}
 
-	/*
-	 * If there are still configuration file errors to display, put the new
-	 * session's current window into view mode and display them now.
-	 */
-	if (cfg_finished)
-		cfg_show_causes(s);
-
 	/* Print if requested. */
 	if (args_has(args, 'P')) {
 		if ((template = args_get(args, 'F')) == NULL)
@@ -357,6 +350,9 @@ cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
 	cmd_find_from_session(&fs, s, 0);
 	cmdq_insert_hook(s, item, &fs, "after-new-session");
 
+	if (cfg_finished)
+		cfg_show_causes(s);
+
 	if (sc.argv != NULL)
 		cmd_free_argv(sc.argc, sc.argv);
 	free(cwd);
diff --git a/control.c b/control.c
index 73286e00..302c2956 100644
--- a/control.c
+++ b/control.c
@@ -775,7 +775,6 @@ control_start(struct client *c)
 
 	cs->read_event = bufferevent_new(c->fd, control_read_callback,
 	    control_write_callback, control_error_callback, c);
-	bufferevent_enable(cs->read_event, EV_READ);
 
 	if (c->flags & CLIENT_CONTROLCONTROL)
 		cs->write_event = cs->read_event;
@@ -792,6 +791,13 @@ control_start(struct client *c)
 	}
 }
 
+/* Control client ready. */
+void
+control_ready(struct client *c)
+{
+	bufferevent_enable(c->control_state->read_event, EV_READ);
+}
+
 /* Discard all output for a client. */
 void
 control_discard(struct client *c)
diff --git a/server-client.c b/server-client.c
index 8144bcd5..f1b32158 100644
--- a/server-client.c
+++ b/server-client.c
@@ -2788,8 +2788,11 @@ server_client_command_done(struct cmdq_item *item, __unused void *data)
 
 	if (~c->flags & CLIENT_ATTACHED)
 		c->flags |= CLIENT_EXIT;
-	else if (~c->flags & CLIENT_EXIT)
+	else if (~c->flags & CLIENT_EXIT) {
+		if (c->flags & CLIENT_CONTROL)
+			control_ready(c);
 		tty_send_requests(&c->tty);
+	}
 	return (CMD_RETURN_NORMAL);
 }
 
diff --git a/tmux.1 b/tmux.1
index 8c475786..0c078fba 100644
--- a/tmux.1
+++ b/tmux.1
@@ -2115,9 +2115,11 @@ is not given, "detach-client -t '%%'" is used.
 specifies the initial sort field: one of
 .Ql name ,
 .Ql size ,
-.Ql creation ,
+.Ql creation
+(time),
 or
-.Ql activity .
+.Ql activity
+(time).
 .Fl r
 reverses the sort order.
 .Fl f
@@ -2199,7 +2201,8 @@ specifies the initial sort field: one of
 .Ql index ,
 .Ql name ,
 or
-.Ql time .
+.Ql time
+(activity).
 .Fl r
 reverses the sort order.
 .Fl f
@@ -6110,7 +6113,8 @@ is not given, "paste-buffer -b '%%'" is used.
 .Pp
 .Fl O
 specifies the initial sort field: one of
-.Ql time ,
+.Ql time
+(creation),
 .Ql name
 or
 .Ql size .
diff --git a/tmux.h b/tmux.h
index cd838df8..d097720e 100644
--- a/tmux.h
+++ b/tmux.h
@@ -3136,6 +3136,7 @@ char	*parse_window_name(const char *);
 /* control.c */
 void	control_discard(struct client *);
 void	control_start(struct client *);
+void	control_ready(struct client *);
 void	control_stop(struct client *);
 void	control_set_pane_on(struct client *, struct window_pane *);
 void	control_set_pane_off(struct client *, struct window_pane *);