Added --no-mem-option to Grub command line in menu.lst to disable

Grub's insistence on passing mem= to the kernel. Closes 737.


git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3157 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter01/changelog.xml

@@ -50,6 +50,10 @@
 </itemizedlist>
 </listitem>
 
+<listitem><para>January 9th, 2004 [greg]: Chapter 8 - Making the LFS system
+bootable: Added --no-mem-option to Grub command line in menu.lst to disable
+Grub's insistence on passing mem= to the kernel. Closes 737.</para></listitem>
+
 <listitem><para>January 7th, 2004 [greg]: Chapter 5 - Util-linux: Added command
 to install the arch program which is needed by Perl for consistency. Upgraded
 to Kbd-1.10.</para></listitem>

chapter08/grub.xml

@@ -88,16 +88,22 @@ color green/black light-green/black
 # The first entry is for LFS.
 title LFS &milestone;
 root (hd0,3)
-kernel /boot/lfskernel root=/dev/hda4 ro
+kernel --no-mem-option /boot/lfskernel root=/dev/hda4
 <userinput>EOF</userinput></screen>
 
+<note><para>By default, Grub will automatically pass a "mem=xxx" command line
+argument to the kernel. However, Grub sometimes gets the amount of memory wrong
+which can lead to problems in some circumstances. It's best to disable this
+functionality and let the kernel determine the amount of memory itself, hence
+the use of the <emphasis>--no-mem-option</emphasis> above.</para></note>
+
 <para>You may want to add an entry for your host distribution.  It might look
 like this:</para>
 
 <screen><userinput>cat &gt;&gt; /boot/grub/menu.lst &lt;&lt; "EOF"</userinput>
 title Red Hat
 root (hd0,2)
-kernel /boot/kernel-2.4.20 root=/dev/hda3 ro
+kernel /boot/kernel-2.4.20 root=/dev/hda3
 initrd /boot/initrd-2.4.20
 <userinput>EOF</userinput></screen>
 

index.xml

@@ -3,8 +3,8 @@
 				"/usr/share/docbook/docbookx.dtd" [
 
 
-<!ENTITY version "CVS-20040108">
-<!ENTITY releasedate "January 8th, 2004">
+<!ENTITY version "CVS-20040109">
+<!ENTITY releasedate "January 9th, 2004">
 <!ENTITY milestone "5.1">
 <!ENTITY nbsp " ">