Thanks for the reply, It seems to stop after the last line shown below.
update-initramfs -u -v -k 3.16.0-4-amd64 Keeping /boot/initrd.img-3.16.0-4-amd64.dpkg-bak update-initramfs: Generating /boot/initrd.img-3.16.0-4-amd64 Copying module directory kernel/drivers/hid ******** Calling hook zz-busybox Adding binary /bin/busybox Calling hook dmsetup /usr/share/initramfs-tools/scripts/local-block/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/local-premount/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/init-premount/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/init-top/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/init-bottom/ORDER ignored: not executable /usr/share/initramfs-tools/scripts/local-top/ORDER ignored: not executable Building cpio /boot/initrd.img-3.16.0-4-amd64.new initramfs Thanks Mike