From d997bf7d36007221d1b06d201c80320c53fa3ec7 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Thu, 23 May 2013 00:34:08 +0200
Subject: document tight loop message

---
 faq/off.mdwn | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/faq/off.mdwn b/faq/off.mdwn
index a0b5e439..15f3c8d1 100644
--- a/faq/off.mdwn
+++ b/faq/off.mdwn
@@ -23,3 +23,7 @@ will not work. Simply use the equivalent shortcuts
 
 to respectively shutdown and reboot Hurd, provided natively,
 instead of from SYSV runlevels.
+
+GNU/Mach does not have APM or ACPI support, so it will just stop with
+`In tight loop: hit ctrl-alt-del to reboot`, and you can switch off the
+system.
-- 
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