From 822d5ea4f812ab0c1f31925ed3a5c9f30631d77a Mon Sep 17 00:00:00 2001
From: Marco Peereboom <marco@cvs.openbsd.org>
Date: Wed, 30 Nov 2005 20:23:37 +0000
Subject: Add watchdog heading.

---
 share/man/man4/man4.i386/esm.4 | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'share/man')

diff --git a/share/man/man4/man4.i386/esm.4 b/share/man/man4/man4.i386/esm.4
index 308f3bcde7e..c1e73d863de 100644
--- a/share/man/man4/man4.i386/esm.4
+++ b/share/man/man4/man4.i386/esm.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: esm.4,v 1.1 2005/11/21 21:46:14 dlg Exp $
+.\"	$OpenBSD: esm.4,v 1.2 2005/11/30 20:23:36 marco Exp $
 .\"
 .\" Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
 .\"
@@ -50,6 +50,23 @@ Servers using the Intelligent Platform Management Interface may be
 monitored by the
 .Xr ipmi 4
 driver.
+.Sh WATCHDOG
+ESM provides watchdog timer functionality.
+Once configured, if the watchdog is not reset within a x second timeout,
+the server will reset.
+The reset will occur regardless of the recoverability of the hang or crash.
+.Bl -tag -width Ds
+.It Example of enabling a watchdog:
+sysctl -w kern.watchdog.period=10
+.El
+.Pp
+In this case if the watchdog is not reset it'll reboot the server after roughly
+10 seconds.
+.Pp
+.Bl -tag -width Ds
+.It Example of disabling watchdog:
+sysctl -w kern.watchdog.period=0
+.El
 .Sh SEE ALSO
 .Xr intro 4 ,
 .Xr ipmi 4 ,
-- 
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