backlight: let udev properties override clamping

[elogind.git] / man / systemd.xml

diff --git a/man/systemd.xml b/man/systemd.xml
index d776815414747d88ee1f40c04f87c8d845538e03..d020582b539cb1ea38f2d4a2e493b208fa3d142b 100644 (file)
--- a/man/systemd.xml
+++ b/man/systemd.xml
@@ -627,10 +627,19 @@
                                 <listitem><para>Upon receiving this
                                 signal the systemd system manager will
                                 start the
-                                <filename>ctrl-alt-del.target</filename> unit. This
-                                is mostly equivalent to
+                                <filename>ctrl-alt-del.target</filename>
+                                unit. This is mostly equivalent to
                                 <command>systemctl start
-                                ctl-alt-del.target</command>.</para>
+                                ctl-alt-del.target</command>. If this
+                                signal is received more often than 7
+                                times per 2s an immediate reboot is
+                                triggered. Note that pressing
+                                Ctrl-Alt-Del on the console will
+                                trigger this signal. Hence, if a
+                                reboot is hanging pressing
+                                Ctrl-Alt-Del more than 7 times in 2s
+                                is a relatively safe way to trigger an
+                                immediate reboot.</para>
 
                                 <para>systemd user managers
                                 treat this signal the same way as
@@ -681,7 +690,7 @@
                                 received the systemd manager will log
                                 its complete state in human readable
                                 form. The data logged is the same as
-                                printed by <command>systemctl
+                                printed by <command>systemd-analyze
                                 dump</command>.</para></listitem>
                         </varlistentry>