pre-rc2 base install fails on PPC 204e clone

[Duane Cottle <duane@thecottles.net>]

Setting up base-config returns error (1).

Machine: PowerComputing PowerCenter Pro 210 604e w/ 64MB RAM
Method: BootX-1.2.2

Media sources:
sarge-powerpc-businesscard.iso dated 10-06-04 from
http://cdimage.debian.org/pub/cdimage-testing/sarge_d-i/powerpc/current/

mirror: mirrors.kernel.org - I tried testing and unstable.

Partitions:
SCSI1 (0,0,0) (sda) - 2.2 GB IBM DCAS-32160
        #1      32.3  kB                        Apple
        #2      27.6  kB                        Macintosh
        #3      37.9  kB                        Macintosh
        #4      102.4 kB                        Macintosh
        #5      262.1 kB                        Macintosh
        #6      262.1 kB                        Patch Partit
        #7      314.6 MB        hfs+            untitled
        #8      1.6   GB        ext2            root
        #9      200.0 MB        swap            swap

On base-install, d-i halts with    
Setting up base-config (2.47) ...

Errors were encountered while processing:
exim4-daemon-light
at
libopencdk8
exim4
apt-utils
libgnutls10
exim4-config
mailx
exim4-base
umount: /target/dev/pts: Invalid argument
umount: /target/dev/shm: Invalid argument
umount: /target/proc/bus/usb: Invalid argument

Regards,
Duane Cottle