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<HTML
><HEAD
><TITLE
>LILO boot error codes</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.63
"><LINK
REL="HOME"
TITLE="The Linux Bootdisk HOWTO"
HREF="index.html"><LINK
REL="PREVIOUS"
TITLE="The Linux boot process"
HREF="x1440.html"><LINK
REL="NEXT"
TITLE="Sample root filesystem listings"
HREF="listings.html"></HEAD
><BODY
CLASS="APPENDIX"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>The Linux Bootdisk HOWTO</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="x1440.html"
>Prev</A
></TD
><TD
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ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="listings.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="APPENDIX"
><H1
CLASS="APPENDIX"
><A
NAME="AEN1483"
>B. LILO boot error codes</A
></H1
><P
>Questions about these codes are asked so often on Usenet that we include
them here as a public service. This summary is excerpted from Werner
Almsberger's <A
HREF="http://www.ibiblio.org/pub/Linux/system/boot/lilo/lilo-u-21.ps.gz"
TARGET="_top"
>LILO User Documentation</A
>.</P
><P
> When LILO loads itself, it displays the word
<TT
CLASS="LITERAL"
>LILO</TT
>. Each letter is printed before or after performing
some specific action. If LILO fails at some point, the letters printed so
far can be used to identify the problem.</P
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN1492"
></A
><P
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>Output</TH
><TH
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
>Problem</TH
></TR
></THEAD
><TBODY
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>(nothing)</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> No part of LILO has been loaded. LILO either isn't installed or
the partition on which its boot sector is located isn't active.
</TD
></TR
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>L</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> The first stage boot loader has been loaded and started, but it
can't load the second stage boot loader. The two-digit error
codes indicate the type of problem. (See also section ``Disk error
codes''.) This condition usually indicates a media failure or a
geometry mismatch (e.g. bad disk parameters).
</TD
></TR
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>LI</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> The first stage boot loader was able to load the second stage boot
loader, but has failed to execute it. This can either be caused by
a geometry mismatch or by moving <TT
CLASS="FILENAME"
>/boot/boot.b
</TT
>
without running the map installer.
</TD
></TR
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>LIL</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> The second stage boot loader has been started, but it can't load
the descriptor table from the map file. This is typically caused
by a media failure or by a geometry mismatch.
</TD
></TR
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>LIL?</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> The second stage boot loader has been loaded at an incorrect
address. This is typically caused by a subtle geometry mismatch or
by moving <TT
CLASS="FILENAME"
>/boot/boot.b</TT
> without running the
map installer.
</TD
></TR
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>LIL-</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> The descriptor table is corrupt. This can either be caused by a
geometry mismatch or by moving /boot/map without running the map
installer.
</TD
></TR
><TR
><TD
WIDTH="96"
ALIGN="LEFT"
VALIGN="TOP"
>LILO</TD
><TD
WIDTH="100%"
ALIGN="LEFT"
VALIGN="TOP"
> All parts of LILO have been successfully loaded.
</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
><P
>If the BIOS signals an error when LILO is trying to load a boot image, the
respective error code is displayed. These codes range from
<TT
CLASS="LITERAL"
>0x00</TT
> through <TT
CLASS="LITERAL"
>0xbb</TT
>. See the LILO User
Guide for an explanation of these.</P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="x1440.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="listings.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>The Linux boot process</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
>&nbsp;</TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Sample root filesystem listings</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>