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@@ -22,6 +22,33 @@ url="&blfs-root;view/svn/postlfs/filesystems.html"/>.</para>
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<para>Replace <replaceable>[xxx]</replaceable> with the name of the LFS
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partition (<filename class="devicefile">hda5</filename> in our previous example).</para>
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+<note><para>Some host distributions use custom features in their filesystem
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+creation tools (e2fsprogs). This can cause problems when booting into your new
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+LFS in Chapter 9, as those features will not be supported by the LFS-installed
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+e2fsprogs; you will get an error similar to <quote>unsupported filesystem
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+features, upgrade your e2fsprogs</quote>. To check if your host system
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+uses custom enhancements, run the following command:</para>
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+
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+<screen><userinput>debugfs -R feature /dev/<replaceable>[xxx]</replaceable></userinput></screen>
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+
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+<para>If the output contains features other than: dir_index; filetype;
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+large_file; resize_inode or sparse_super then your host system may have custom
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+enhancements. In that case, to avoid later problems, you should compile the
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+stock e2fsprogs package and use the resulting binaries to re-create the
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+filesystem on your LFS partition:</para>
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+
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+<screen><userinput>cd /tmp
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+tar xjf /path/to/sources/e2fsprogs-1.36.tar.bz2
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+cd e2fsprogs-1.36
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+mkdir build
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+cd build
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+../configure
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+make #note that we intentionally don't 'make install' here!
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+./misc/mke2fs /dev/<replaceable>[xxx]</replaceable>
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+cd /tmp
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+rm -rf e2fsprogs-1.36</userinput></screen>
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+</note>
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+
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<para>If a swap partition was created, it will need to be initialized
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as a swap partition too (also known as formatting, as described above
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with <command>mke2fs</command>) by running the following. If you are using an existing
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Matthew Burgess