Hi,
I'm sorry for the delay in the answer. :-)
Your file had a problem, the author field in docbook needs to have the
firstname and the surname specified. See the attached file direved from
your own.
I am using also FC1 and I don't have any problem with it.
--
Josà AbÃlio
#LyX 1.3 created this file. For more info see http://www.lyx.org/
\lyxformat 221
\textclass docbook-book
\language english
\inputencoding auto
\fontscheme default
\graphics default
\paperfontsize default
\spacing single
\papersize Default
\paperpackage a4
\use_geometry 0
\use_amsmath 0
\use_natbib 0
\use_numerical_citations 0
\paperorientation portrait
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
\defskip medskip
\quotes_language english
\quotes_times 2
\papercolumns 1
\papersides 1
\paperpagestyle default
\layout Title
the title
\layout Author
\begin_inset ERT
status Collapsed
\layout Standard
<firstname>
\end_inset
the
\begin_inset ERT
status Collapsed
\layout Standard
</firstname>
\end_inset
\begin_inset ERT
status Collapsed
\layout Standard
<surname>
\end_inset
author
\begin_inset ERT
status Collapsed
\layout Standard
</surname>
\end_inset
\layout Chapter
The chapter
\layout Standard
lop.
\the_end