package mythtv-backend 2:0.27.1+fixes.20140624.aa822f5-0ubuntu3 failed to install/upgrade: subprocess new pre-removal script returned error exit status 100

[Rob Fargher]

Issue arose while running "do-release-upgrade -d" from 15.04 to 15.10 Kubuntu beta.

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: mythtv-backend 2:0.27.1+fixes.20140624.aa822f5-0ubuntu3
ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.18-0ubuntu9
Architecture: amd64
Date: Wed Sep 2 09:17:35 2015
DuplicateSignature: package:mythtv-backend:2:0.27.1+fixes.20140624.aa822f5-0ubuntu3:subprocess new pre-removal script returned error exit status 100
ErrorMessage: subprocess new pre-removal script returned error exit status 100
InstallationDate: Installed on 2015-05-23 (101 days ago)
InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
Installed_mythtv_dbg: 2:0.27.1+fixes.20140624.aa822f5-0ubuntu6
RelatedPackageVersions:
 dpkg 1.18.2ubuntu3
 apt 1.0.9.10ubuntu6
SourcePackage: mythtv
Title: package mythtv-backend 2:0.27.1+fixes.20140624.aa822f5-0ubuntu3 failed to install/upgrade: subprocess new pre-removal script returned error exit status 100
UpgradeStatus: Upgraded to wily on 2015-09-02 (0 days ago)

[Thomas Mashos (tgm4883)]

Snippet from log. Needs investgation

Preparing to unpack .../mythtv-backend_2%3a0.27.1+fixes.20140624.aa822f5-0ubuntu6_amd64.deb ...
invoke-rc.d: unknown initscript, /etc/init.d/mythtv-backend not found.
dpkg: warning: subprocess old pre-removal script returned error exit status 100
dpkg: trying script from the new package instead ...
invoke-rc.d: unknown initscript, /etc/init.d/mythtv-backend not found.
dpkg: error processing archive /var/cache/apt/archives/mythtv-backend_2%3a0.27.1+fixes.20140624.aa822f5-0ubuntu6_amd64.deb (--unpack):
 subprocess new pre-removal script returned error exit status 100
invoke-rc.d: unknown initscript, /etc/init.d/mythtv-backend not found.
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 100