Hadmut Danisch, I think you're right. I've checked Apttermlog.txt in #1509816 more carefully, and it seems to be caused by a circular dependency:
systemd-sysv < systemd < libcryptsetup4 < libdevmapper1.02.1:amd64 < dmsetup < libdevmapper1.02.1 Whereas this bug seems cause by the failure to install util-linux Setting up util-linux (2.27.1-1ubuntu4) ... Installing new version of config file /etc/init/hwclock-save.conf ... Installing new version of config file /etc/init/hwclock.conf ... /var/lib/dpkg/info/util-linux.postinst: 16: /var/lib/dpkg/info/util-linux.postinst: update-rc.d: not found dpkg: error processing package util-linux (--configure): subprocess installed post-installation script returned error exit status 127 Processing triggers for ureadahead (0.100.0-19) ... Errors were encountered while processing: util-linux ** This bug is no longer a duplicate of bug 1509816 Upgrade from 14.04 to 15.04 missed systemd-sysv and init package init 1.22ubuntu11 failed to install/upgrade: pre-dependency problem - not installing init -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1544904 Title: Updating 15.10 to 16.04 alpha2 failed: subprocess exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1544904/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
