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Add a note about sysctl's deprecated -w option.

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PR:		docs/48482
Inspired by:	Denis N. Peplin
This commit is contained in:
Giorgos Keramidas 2003-02-27 18:59:42 +00:00
parent 534c062d58
commit 0e64780ff8
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=16137
1 changed files with 7 additions and 0 deletions
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en_US.ISO8859-1/books/faq/book.sgml
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@ -3961,6 +3961,13 @@ quit</programlisting>
<screen>&prompt.root; <userinput>sysctl -w kern.timecounter.method=1</userinput></screen>
<note>
<para>The <option>-w</option> option of &man.sysctl.8; is
deprecated and silently ignored in &os; 4.4-RELEASE and all
newer versions. You can safely ommit it when setting options
with <command>sysctl</command> as shown above.</para>
</note>
<para>This means a performance impact, but considering the cause
of this problem, you probably will not notice. If the problem
persists, keep the sysctl set to one and set the