Changeset 27e1607 for BOOK/chroot/common/kernfs.xml

Timestamp:

May 29, 2006, 2:45:38 AM (18 years ago)

Author:

Jeremy Utley <jerutley@…>

Branches:

clfs-1.2, clfs-2.1, clfs-3.0.0-systemd, clfs-3.0.0-sysvinit, master, systemd, sysvinit

Children:

a8952fe

Parents:

7eb92df

Message:

Mount --bind host /dev to LFS's dev on chroot builds - fixes ticket #27

File:

• BOOK/chroot/common/kernfs.xml (modified) (1 diff)

BOOK/chroot/common/kernfs.xml

@@ -34 +34 @@
   are mounted again before entering the chroot environment.</para>
 
-  <para>Additional file systems will soon be mounted from within the
-  chroot environment. To keep the host up to date, perform a <quote>fake
-  mount</quote> for each of these now:</para>
+  <para>Two device nodes, /dev/console and /dev/null, are required to be
+  present on the filesystem.  These are needed by the kernel even before
+  starting Udev early in the boot process, so we create them here:</para>
 
-<screen><userinput>mount -f -vt tmpfs tmpfs $LFS/dev
-mount -f -vt tmpfs tmpfs $LFS/dev/shm
+<screen><userinput>mknod -m 600 $LFS/dev/console c 5 1
+mknod -m 666 $LFS/dev/null c 1 3</userinput></screen>
+
+  <para>Once the system is complete and booting, the rest of our device
+  nodes are created by the Udev package.  Since this package is not
+  available to us right now, we must take other steps to provide device
+  nodes under on the LFS filesystem.  We will use the <quote>bind</quote>
+  option in the mount command to make our host system's /dev structure
+  appear in the new LFS filesystem:</para>
+
+<screen><userinput>/tools/bin/mount -o bind /dev $LFS/dev</userinput></screen>
+
+  <para>Additional file systems will soon be mounted from within the chroot 
+  environment. To keep the host up to date, perform a <quote>fake mount</quote>
+  for each of these now:</para>
+
+<screen><userinput>mount -f -vt tmpfs tmpfs $LFS/dev/shm
 mount -f -vt devpts -o gid=10,mode=620 devpts $LFS/dev/pts</userinput></screen>