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-rw-r--r--man/systemd.xml15
1 files changed, 12 insertions, 3 deletions
diff --git a/man/systemd.xml b/man/systemd.xml
index e0e8d37a90..d020582b53 100644
--- 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