resolving problem - why?

[Daniel.Lentz at t-systems.com]

hi ya

i'm having are (OS) resolving problem?
no i don't think so.

background: i'm using fai without problems... and then ... the update.
i hav no idea what happend.

when i'm executing "fai-setup" it partially works.
at the beginning the packages were found, but then comes the failure message with "failure resolving".
the fai-server is also the debian mirror and other clients can access the repository with "apt-get update"
the fai-server self can resolv his own hostname.
why does this failure happens?
has anyone ideas? 

greetz
daniel

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dpkg: debconf-i18n: dependency problems, but configuring anyway as you request:
 debconf-i18n depends on libtext-iconv-perl; however:
  Package libtext-iconv-perl is not installed.
dpkg: util-linux: dependency problems, but configuring anyway as you request:
 util-linux depends on zlib1g (>= 1:1.2.1); however:
  Package zlib1g is not installed.
init: timeout opening/writing control channel /dev/initctl
Starting internet superserver: inetd
Warning: Fake start-stop-daemon called, doing nothing
.
Building database of manual pages ...
ifupdown.postinst: Warning: No 'auto lo' statement found in /etc/network/interfaces
ifupdown.postinst: Warning: No 'iface lo' definition found in /etc/network/interfaces
Looking for keymap to install:
NONE
Looking for keymap to install:
NONE
umount: /usr/lib/fai/nfsroot/dev/pts: not mounted
umount: /usr/lib/fai/nfsroot/dev/shm: not mounted
umount: /usr/lib/fai/nfsroot/proc/bus/usb: not mounted
Creating base.tgz
`/etc/fai/sources.list' -> `/usr/lib/fai/nfsroot/etc/apt/sources.list'
Upgrading /usr/lib/fai/nfsroot
Failed to fetch http://genesis.ada.t-online.de/debmirror/debian/dists/sarge/main/binary-i386/Packages.gz  Temporary failure resolving 'genesis.ada.t-online.de'
Failed to fetch http://genesis.ada.t-online.de/debmirror/debian/dists/sarge/main/binary-i386/Release  Temporary failure resolving 'genesis.ada.t-online.de'