Comment 2 for bug 102410

This bug report could be related to #75681 as you mentioned. I'll type here what I see when the system tries to boot after the install...
Hopefully I've scrolled back far enouth. It seems like mdadmin can't read the config file which should have been written into the initrd, right?
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[ 22.986214] hash matches device ptyr0
[ 22.988318] Time: tsc clocksource has been installed.
Loading, please wait...
[ 23.003442[ input: AT Translated Set 2 keyboard as /class/input/input1
Begin: Loading essential drivers... ...
[ 23.302955] Capability LSM initialized
[ 23.334316] device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialized: <email address hidden>
Done.
Begin: Running /scripts/init-premount ...
[ 23.399047] ACPI Exception (acpi_processor-0677): AE_NOT_FOUND, Processor Device is not present [20060707]
Done.
Begin: Mounting root file system... ...
Begin: Running /scripts/local-top ...
Begin: Loading MD modules ...
[ 23.603812] md: raid1 personality registered for level 1
Success: loaded module raid1.
Done.
Begin: Assembling all MD arrarys ...
mdadm: No devices listed in conf file were found.
Failure: failed to assemble all arrays.
Done.
Done.
/init: /init: 1 : cannot open /dev/root: No such device or address
Begin: Running /scripts/local-premount ...
Done.
Usage: modprobe [-v] [-V] [-C config-file] [-n] [-i] [-q] [-Q] [-b] [-o <modname>] <modname> [parameters...]
modeprobe -r [-n] [-i] [-v] <modulename> ...
modeprobe -l -t <dirname> [ -a <modulename> ...]
mount: Cannot read /etc/fstab: No such file or directory
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
mount: Mounting /root/dev on /dev/.static/dev failed: No such file or directory
Done.
mount: Mounting /sys on /root/sys failed: No such file or directory
mount: Mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have /sbin/init

BusyBox v1.1.3 (Debian 1:1.1.1-3-3ubuntu2) Built-in shell (ash)
Enter 'help' for a list of built-in commands.
/bin/sh: can't access tty; job control turned off
(initramfs)