package cryptsetup 2:1.6.6-5ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Edward Ashley]

I am new to uBuntu so you need to read the report

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: cryptsetup 2:1.6.6-5ubuntu2.1
ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CasperVersion: 1.376.2
Date: Tue Oct 17 19:27:24 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
LiveMediaBuild: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.24
SourcePackage: cryptsetup
Title: package cryptsetup 2:1.6.6-5ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
crypttab: # <target name> <source device> <key file> <options>
fstab:
 aufs / aufs rw 0 0
 tmpfs /tmp tmpfs nosuid,nodev 0 0

[Brian Murray (brian-murray)]

From DpkgTerminalLog.txt:

Setting up cryptsetup (2:1.6.6-5ubuntu2.1) ...
update-initramfs is disabled since running on read-only media

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.