Comment 3 for bug 1553107

Now I am able to boot the loop device located on a windows (10) *NTFS* partition:

laura@WUBI-UNITY:~$ sudo apt-cache policy initramfs-tools
[sudo] Passwort für laura:
initramfs-tools:
  Installiert: 0.122ubuntu6~rc2
  Installationskandidat: 0.122ubuntu6~rc2
  Versionstabelle:
 *** 0.122ubuntu6~rc2 100
        100 /var/lib/dpkg/status
     0.122ubuntu5 500
        500 http://de.archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
     0.122ubuntu3 500
        500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

laura@WUBI-UNITY:~$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-4.4.0-10-generic root=UUID=B40C077F0C073BBC loop=/ubuntu/disks/root.disk rw quiet nomodeset vt.handoff=7

The XENIAL system is running well