diff --git a/en/releases/9.0R/errata.html b/en/releases/9.0R/errata.html
index d8c46efe2d..d3a5cd5dc3 100644
--- a/en/releases/9.0R/errata.html
+++ b/en/releases/9.0R/errata.html
@@ -21,7 +21,7 @@ alink="#0000FF">
 <p class="COPYRIGHT">Copyright &copy; 2012 The FreeBSD Documentation Project</p>
 
 <p class="PUBDATE">$FreeBSD: stable/9/release/doc/en_US.ISO8859-1/errata/article.sgml
-230031 2012-01-12 21:12:16Z hrs $<br />
+230088 2012-01-13 20:50:18Z hrs $<br />
 </p>
 
 <div class="LEGALNOTICE"><a id="TRADEMARKS" name="TRADEMARKS"></a>
@@ -215,6 +215,27 @@ class="REFENTRYTITLE">freebsd-update</span>(8)</span></a> can fail. This issue h
 fixed by a change in Errata Notice EN-12:01. For more information, see <a
 href="http://security.freebsd.org/advisories/FreeBSD-EN-12:01.freebsd-update.asc"
 target="_top">http://security.freebsd.org/advisories/FreeBSD-EN-12:01.freebsd-update.asc</a></p>
+
+<p>[amd64, i386] FreeBSD 9.0-RELEASE includes several changes to improve resource
+management of PCI devices. Some x86 machines may not boot or may have devices that no
+longer attach when using ACPI as a result of these changes. This can be worked around by
+setting a <a
+href="http://www.FreeBSD.org/cgi/man.cgi?query=loader&sektion=8&manpath=FreeBSD+9.0-RELEASE">
+<span class="CITEREFENTRY"><span class="REFENTRYTITLE">loader</span>(8)</span></a>
+tunable <code class="VARNAME">debug.acpi.disabled</code> to <tt
+class="LITERAL">hostres</tt>. To do this, enter the following lines at the loader
+prompt:</p>
+
+<pre class="SCREEN">
+set debug.acpi.disabled="hostres"
+boot
+</pre>
+
+<p>Or, put the following line into <tt class="FILENAME">/boot/loader.conf</tt>:</p>
+
+<pre class="PROGRAMLISTING">
+debug.acpi.disabled="hostres"
+</pre>
 </div>
 
 <div class="SECT1">