Comment 1 for bug 98911

It appears to have gotten worse:

Setting up linux-restricted-modules-common (2.6.20.4-13.14) ...

Setting up linux-restricted-modules-2.6.20-13-generic (2.6.20.4-13.14) ...

Setting up mdadm (2.5.6-7ubuntu5) ...
update-initramfs: Generating /boot/initrd.img-2.6.20-13-generic
cp: cannot stat `/etc/udev/rules.d/25-dmsetup.rules': No such file or directory
W: mdadm: unchecked configuration file: /etc/mdadm/mdadm.conf
W: mdadm: please read /usr/share/doc/mdadm/README.upgrading-2.5.3.gz .
W: mdadm: no arrays defined in configuration file.
W: mdadm: falling back to emergency procedure in initramfs.
cpio: ./etc/udev/rules.d/*-lvm.rules: No such file or directory
update-initramfs: Generating /boot/initrd.img-2.6.20-12-generic
cp: cannot stat `/etc/udev/rules.d/25-dmsetup.rules': No such file or directory
W: mdadm: unchecked configuration file: /etc/mdadm/mdadm.conf
W: mdadm: please read /usr/share/doc/mdadm/README.upgrading-2.5.3.gz .
W: mdadm: no arrays defined in configuration file.
W: mdadm: falling back to emergency procedure in initramfs.
cpio: ./etc/udev/rules.d/*-lvm.rules: No such file or directory
update-initramfs: Generating /boot/initrd.img-2.6.17-11-386
cp: cannot stat `/etc/udev/rules.d/25-dmsetup.rules': No such file or directory
W: mdadm: unchecked configuration file: /etc/mdadm/mdadm.conf
W: mdadm: please read /usr/share/doc/mdadm/README.upgrading-2.5.3.gz .
W: mdadm: no arrays defined in configuration file.
W: mdadm: falling back to emergency procedure in initramfs.
cpio: ./etc/udev/rules.d/*-lvm.rules: No such file or directory
update-initramfs: Generating /boot/initrd.img-2.6.17-10-386
cp: cannot stat `/etc/udev/rules.d/25-dmsetup.rules': No such file or directory
W: mdadm: unchecked configuration file: /etc/mdadm/mdadm.conf
W: mdadm: please read /usr/share/doc/mdadm/README.upgrading-2.5.3.gz .
W: mdadm: no arrays defined in configuration file.
W: mdadm: falling back to emergency procedure in initramfs.
cpio: ./etc/udev/rules.d/*-lvm.rules: No such file or directory
update-initramfs: Generating /boot/initrd.img-2.6.15-27-386
W: udev hook script requires at least kernel version 2.6.17
W: not generating requested initramfs for kernel 2.6.15-27-386
update-initramfs: Generating /boot/initrd.img-2.6.15-26-386
W: udev hook script requires at least kernel version 2.6.17
W: not generating requested initramfs for kernel 2.6.15-26-386
update-initramfs: Generating /boot/initrd.img-2.6.15-23-386
W: udev hook script requires at least kernel version 2.6.17
W: not generating requested initramfs for kernel 2.6.15-23-386
 * Starting MD monitoring service mdadm --monitor [ OK ]
 * Assembling MD array mdarrays... [ OK