Comment 6 for bug 1851438

On trusty; this complains but works.

ubuntu@ubuntu:~$ dpkg --list | grep util-linux
ii util-linux 2.20.1-5.1ubuntu20.9 amd64 Miscellaneous system utilities
ubuntu@ubuntu:~$ cat /proc/partitions
major minor #blocks name

 253 0 10485760 vda
 253 1 10484736 vda1
 253 16 10485760 vdb
 253 32 366 vdc
  11 0 1048575 sr0
ubuntu@ubuntu:~$ sudo bash
sudo: unable to resolve host ubuntu
root@ubuntu:~# echo "0," | sfdisk --Linux --unit=S --force /dev/vdb
Checking that no-one is using this disk right now ...
OK

Disk /dev/vdb: 20805 cylinders, 16 heads, 63 sectors/track

sfdisk: ERROR: sector 0 does not have an msdos signature
 /dev/vdb: unrecognized partition table type
Old situation:
No partitions found
Warning: bad partition start (earliest 1)
New situation:
Units = sectors of 512 bytes, counting from 0

   Device Boot Start End #sectors Id System
/dev/vdb1 1 20971519 20971519 83 Linux
/dev/vdb2 0 - 0 0 Empty
/dev/vdb3 0 - 0 0 Empty
/dev/vdb4 0 - 0 0 Empty
Warning: no primary partition is marked bootable (active)
This does not matter for LILO, but the DOS MBR will not boot this disk.
Successfully wrote the new partition table

Re-reading the partition table ...

If you created or changed a DOS partition, /dev/foo7, say, then use dd(1)
to zero the first 512 bytes: dd if=/dev/zero of=/dev/foo7 bs=512 count=1
(See fdisk(8).)
root@ubuntu:~# cat /proc/partitions
major minor #blocks name

 253 0 10485760 vda
 253 1 10484736 vda1
 253 16 10485760 vdb
 253 17 10485759 vdb1
 253 32 366 vdc
  11 0 1048575 sr0