postfix exim implies grub error

[Rudy Gevaert]

Hello,

I have a working FAI setup for a host (for the moment the only host)
called 'kip'.

in class/kip I have:
COMPILE
NONIS
SERVER
NTP
MBR
NETWORK
UGENT

In package_config/UGENT I have:
PACKAGES aptitude
netbackup
make

PACKAGES aptitude
sysstat
bigsister-agent
libunix-syslog-perl

The file class/50-host-classes appends FAIBASE DHCPC to all default
clients.

Working with this setup, my client gets installed perfectly.

Now *adding* to package_config/UGENT
PACKAGES remove
exim4

PACKAGES aptitude
postfix


(FAIBASE installs exim4, but I want postfix)

gives the following error after install:
fai.log:ERROR: 65280 65280
shell.log:chroot: cannot run command `/sbin/update-grub': No such file or directory
software.log:ERROR: 65280 65280

And when rebooting I get the grub prompt.

Any ideas what is going wrong?

Thanks in advance,

Rudy

PS thanks to the people who replied to my previous post (the post is
held in a queue because the from was wrong)