Author: bdubbs
Date: 2012-12-28 13:29:58 -0700 (Fri, 28 Dec 2012)
New Revision: 10083
Modified:
trunk/BOOK/chapter01/changelog.xml
trunk/BOOK/chapter06/kernfs.xml
trunk/BOOK/chapter09/reboot.xml
Log:
Fix the location for mounting /dev/shm inside chroot
when /dev/shm is a symlink.
Modified: trunk/BOOK/chapter01/changelog.xml
===================================================================
--- trunk/BOOK/chapter01/changelog.xml 2012-12-28 19:17:10 UTC (rev 10082)
+++ trunk/BOOK/chapter01/changelog.xml 2012-12-28 20:29:58 UTC (rev 10083)
@@ -40,6 +40,11 @@
<para>2012-12-28</para>
<itemizedlist>
<listitem>
+ <para>[bdubbs] - Fix the location for mounting /dev/shm
+ inside chroot. Fixes
+ <ulink url="&lfs-ticket-root;3258">#3258</ulink>.</para>
+ </listitem>
+ <listitem>
<para>[matthew] - Move the build of Procps to before E2fsprogs as the
latter requires <command>ps</command> to be available during its
testsuite run.</para>
Modified: trunk/BOOK/chapter06/kernfs.xml
===================================================================
--- trunk/BOOK/chapter06/kernfs.xml 2012-12-28 19:17:10 UTC (rev 10082)
+++ trunk/BOOK/chapter06/kernfs.xml 2012-12-28 20:29:58 UTC (rev 10083)
@@ -74,17 +74,18 @@
<para>In some host systems, <filename>/dev/shm</filename> is a
symbolic link to <filename class="directory">/run/shm</filename>.
- Inside a chroot environment, this symbolic link needs to be
- changed to a normal directory before mounting as a temporary
- file system:</para>
+ Inside a chroot environment, this temporary file system needs
+ to be mounted separate from the host file system:</para>
-<screen><userinput>if [ -h /dev/shm ]; then
- rm -f $LFS/dev/shm
- mkdir $LFS/dev/shm
-fi
+<screen><userinput>if [ -h $LFS/dev/shm ]; then
+ link=$(readlink $LFS/dev/shm)
+ mkdir -p $LFS/$link
+ mount -vt tmpfs shm $LFS/$link
+ unset link
+else
+ mount -vt tmpfs shm $LFS/dev/shm
+fi</userinput></screen>
-mount -vt tmpfs shm $LFS/dev/shm</userinput></screen>
-
</sect2>
</sect1>
Modified: trunk/BOOK/chapter09/reboot.xml
===================================================================
--- trunk/BOOK/chapter09/reboot.xml 2012-12-28 19:17:10 UTC (rev 10082)
+++ trunk/BOOK/chapter09/reboot.xml 2012-12-28 20:29:58 UTC (rev 10083)
@@ -33,7 +33,15 @@
<para>Then unmount the virtual file systems:</para>
<screen><userinput>umount -v $LFS/dev/pts
-umount -v $LFS/dev/shm
+
+if [ -h $LFS/dev/shm ]; then
+ link=$(readlink $LFS/dev/shm)
+ umount -v $LFS/$link
+ unset link
+else
+ umount -v $LFS/dev/shm
+fi
+
umount -v $LFS/dev
umount -v $LFS/proc
umount -v $LFS/sys</userinput></screen>
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