Well that package has been removed / transitioned to virtuoso-minimal in precise. I'll check if that still has broken scripts. And I guess conffile removal logic is missing.
** Package changed: sysvinit (Ubuntu) => virtuoso-opensource (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to sysvinit in Ubuntu. https://bugs.launchpad.net/bugs/1542453 Title: package sysv-rc 2.88dsf-59.2ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 Status in virtuoso-opensource package in Ubuntu: New Bug description: Error while updating 14.04 to 15.10 using do-release-upgrade ProblemType: Package DistroRelease: Ubuntu 15.10 Package: sysv-rc 2.88dsf-59.2ubuntu2.1 ProcVersionSignature: Ubuntu 3.13.0-77.121-generic 3.13.11-ckt32 Uname: Linux 3.13.0-77-generic i686 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: i386 Date: Fri Feb 5 22:30:32 2016 DuplicateSignature: package:sysv-rc:2.88dsf-59.2ubuntu2.1:subprocess installed post-installation script returned error exit status 1 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2010-08-07 (2008 days ago) InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.2ubuntu5.1 apt 1.0.10.2ubuntu1 SourcePackage: sysvinit Title: package sysv-rc 2.88dsf-59.2ubuntu2.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to wily on 2016-02-05 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtuoso-opensource/+bug/1542453/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp