On 2013-11-16 13:36, James R. Van Artsdalen wrote:
> On 11/16/2013 8:52 AM, Allan Jude wrote:
>> I see this was in the release notes for 9.0 and 8.3, but other than
>> that, I don't see how anyone was supposed to find out about this. 
>> Maybe it would make sense to print 'Starting memory test, set
>> hw.memtest.test=0 to disable' before that starts, so anyone stuck
>> waiting will have a hint about what to do. 

A patch for the FAQ to add an entry about the hw.memtest.test=0 to speed
up boot on machines with a lot of ram

Allan Jude

Index: en_US.ISO8859-1/books/faq/book.xml
--- en_US.ISO8859-1/books/faq/book.xml  (revision 43198)
+++ en_US.ISO8859-1/books/faq/book.xml  (working copy)
@@ -3669,6 +3669,26 @@
            in &man.tunefs.8;.</para>
+      <qandaentry>
+       <question xml:id="slow-boot-memtest">
+         <para>Why does &os; pause for a long time at boot when the
+           system has large amounts of ram?</para>
+       </question>
+       <answer>
+         <para>&os; does a short memory test early in the boot
+           process.  This test usually only takes several seconds,
+           however if the system has many 10s or 100s of gigabytes
+           of memory it can take up to a few minutes.  This test
+           can be disabled by setting the
+           <literal>hw.memtest.tests</literal> to
+           <literal>0</literal> in
+           <filename>/boot/loader.conf</filename></para>
+         <para>For more details, see &man.loader.conf.5;.</para>
+       </answer>
+      </qandaentry>
     <sect1 xml:id="all-about-zfs">

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