Works fine for me on a laptop, have you tried putting the return clause *before* ldap ? If so please close the bug... I'd like to see it in etch! :)
# /etc/nsswitch.conf
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.
passwd: files [UNAVAIL=return] ldap
group: files [UNAVAIL=return] ldap
shadow: compat
libnss-ldap:
Instalados: 251-5.2
Candidato: 251-5.2
Tabla de versión:
*** 251-5.2 0
500 http://ftp.uk.debian.org unstable/main Packages
100 /var/lib/dpkg/status
--
The probability of failure of a (computer) system is exponentially proportional to the physical distance between it and the one who could fix it. -- Martin F. Krafft