Required log is in attachment. Looks like similar problem: https://lists.ubuntu.com/archives/ubuntu- users/2014-November/278525.html
I removed /etc/init.d/virtuoso-nepomuk then sudo dpkg --configure -a sudo apt-get purge virtuoso-nepomuk sudo apt-get install -f sudo apt-get upgrade For now upgrade is in progress. ** Attachment added: "run-20160205T2230.log" https://bugs.launchpad.net/ubuntu/+source/sysvinit/+bug/1542453/+attachment/4564775/+files/run-20160205T2230.log -- 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 sysvinit package in Ubuntu: Incomplete 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/sysvinit/+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