Public bug reported: Found this (finally) upgrading a web server from lucid to precise (via do-release-upgrade):
Preparing to replace ca-certificates 20141019ubuntu0.10.04.1 (using .../ca-certificates_20141019ubuntu0.12.04.1_all.deb) ...^M Unpacking replacement ca-certificates ...^M ... Setting up openssl (1.0.1-4ubuntu5.31) ...^M Installing new version of config file /etc/ssl/openssl.cnf ...^M Setting up ca-certificates (20141019ubuntu0.12.04.1) ...^M Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done.^M Running hooks in /etc/ca-certificates/update.d....done.^M Setting up netbase (4.47ubuntu1) ...^M ... And everything is broken. sometime between lucid and precise, the hash function seems to have changed (there are 2 hashes per pemfile in precise, and 1 per pemfile in lucid), and update-ca-certificates goes "nothing to do here" instead of "hey, I need to rerun c_rehash to generate the other symlink". to reproduce: install a lucid box, and do-release-upgrade lamont ** Affects: ca-certificates (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1472378 Title: upgrading ca-certificates results in broken certificate chains To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ca-certificates/+bug/1472378/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs