From 0b578036301d7c3f2dab8df1f31f0121552a4e10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Thu, 13 Dec 2018 19:43:55 +0100
Subject: [PATCH] man: add note about systemd-vconsole-setup.service and tty as
 input/output

Closes #10019.
---
 man/systemd.exec.xml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml
index 41b5d7144d..6419bee499 100644
--- a/man/systemd.exec.xml
+++ b/man/systemd.exec.xml
@@ -1793,7 +1793,13 @@ SystemCallErrorNumber=EPERM</programlisting>
         <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry> for more
         details about named file descriptors and their ordering.</para>
 
-        <para>This setting defaults to <option>null</option>.</para></listitem>
+        <para>This setting defaults to <option>null</option>.</para>
+
+        <para>Note that services which specify <option>DefaultDependencies=no</option> and use
+        <varname>StandardInput=</varname> or <varname>StandardOutput=</varname> with
+        <option>tty</option>/<option>tty-force</option>/<option>tty-fail</option>, should specify
+        <option>After=systemd-vconsole-setup.service</option>, to make sure that the tty intialization is
+        finished before they start.</para></listitem>
       </varlistentry>
 
       <varlistentry>