- Replace answer about "lock order reversal" with a link pointing to

the FreeBSD Glossary (FreeBSD Handbook) containing the almost the
  same description

Approved by:	gabor (mentor)

en_US.ISO8859-1/books/faq/book.sgml

@@ -3938,48 +3938,9 @@ kern.timecounter.hardware: TSC -&gt; i8254</screen>
         </question>
 
         <answer>
-          <para>&a.rwatson; answered this question very succinctly on
-            the freebsd-current list in a thread entitled <quote><ulink
-            url="http://docs.freebsd.org/cgi/getmsg.cgi?fetch=65165+0+/usr/local/www/db/text/2003/freebsd-current/20031221.freebsd-current">lock
-            order reversals - what do they mean?</ulink></quote></para>
-
-          <blockquote>
-            <attribution>&a.rwatson; on freebsd-current, December 14,
-              2003</attribution>
-
-            <para>These warnings are generated by Witness, a run-time lock
-              diagnostic system found in FreeBSD -CURRENT kernels (but
-              removed in releases).  You can read more about Witness in the
-              &man.witness.4; man page, which talks about its capabilities.  Among
-              other things, Witness performs run-time lock order verification
-              using a combination of hard coded lock orders, and run-time
-              detected lock orders, and generates console warnings when lock
-              orders are violated.  The intent of this is to detect the
-              potential for deadlocks due to lock order violations; it is worth
-              observing that Witness is actually slightly conservative, and so
-              it is possible to get false positives.  In the event that Witness
-              is accurately reporting a lock order problem, it is basically
-              saying "If you were unlucky, a deadlock would have happened
-              here".  There are a couple of "well known" false positives,
-              which we need to do a better job of documenting to prevent
-              spurious reports.  The non-well-known ones typically correspond
-              to bugs in newly added locking, as lock order reversals usually
-              get fixed pretty quickly because Witness is busy generating
-              warnings :-).</para>
-          </blockquote>
-
-          <note>
-	    <para>A so-called "false positive" is actually Witness tripping
-                over a much more serious bug.  Such bugs are typically a page
-                fault or memory corruption experienced inside of the kernel, or
-                a name clash with mutexes.</para>
-	  </note>
-          <note>
-            <para>See <ulink
-              url="http://sources.zabbadoz.net/freebsd/lor.html">Bjoern
-              Zeeb's lock order reversal page</ulink> for the status of
-              known lock order reversals.</para>
-          </note>
+          <para>An answer for this question can be found in the FreeBSD
+            Glosssary, see <ulink
+              url="&url.books.handbook;/freebsd-glossary.html#LOR-GLOSSARY">LOR</ulink>.</para>
         </answer>
       </qandaentry>