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-rw-r--r--man/systemd.timer.xml17
1 files changed, 11 insertions, 6 deletions
diff --git a/man/systemd.timer.xml b/man/systemd.timer.xml
index d82b9bdc97..9fcf5ccb97 100644
--- a/man/systemd.timer.xml
+++ b/man/systemd.timer.xml
@@ -78,15 +78,20 @@
<varname>Unit=</varname> (see below).</para>
<para>Unless <varname>DefaultDependencies=</varname>
- is set to <option>false</option>, timer units will
+ is set to <option>false</option>, all timer units will
implicitly have dependencies of type
<varname>Conflicts=</varname> and
<varname>Before=</varname> on
- <filename>shutdown.target</filename>. These ensure
- that timer units are stopped cleanly prior to system
- shutdown. Only timer units involved with early boot or
- late system shutdown should disable this
- option.</para>
+ <filename>shutdown.target</filename> to ensure that
+ they are stopped cleanly prior to system shutdown.
+ Timer units with at least one
+ <varname>OnCalendar=</varname> directive will have an
+ additional <varname>After=</varname> dependency on
+ <filename>timer-sync.target</filename> to avoid
+ being started before the system clock has been
+ correctly set. Only timer units involved with early
+ boot or late system shutdown should disable the
+ <varname>DefaultDependencies=</varname> option.</para>
</refsect1>
<refsect1>