I installed the version of apt from wily-proposed and then completed an upgrade from Wily to Xenial using that version of apt with the libgcrypt packages installed.
>From /var/log/dist-upgrade/apt-term.log we can see the following: Processing triggers for man-db (2.7.4-1) ...^M Setting up libgcrypt20:amd64 (1.6.5-2) ...^M Setting up libgcrypt20:i386 (1.6.5-2) ...^M Setting up systemd (229-4ubuntu4) ...^M So I think this is verification-done for Wily. ** Tags added: verification-done-wily -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1560797 Title: apt does not configure Pre-Depends: before depending package Status in apt package in Ubuntu: Fix Released Status in apt source package in Trusty: Fix Committed Status in apt source package in Wily: Fix Committed Bug description: Happened during upgrade to 16.04, don't know any more details. -- SRU INFORMATION =============== Fix: https://anonscm.debian.org/cgit/apt/apt.git/commit/?id=c75e60eb (applied in Xenial last week) Test case: - Install clean wily amd64 desktop + install libgcrypt20:i386 - change apt sources to xenial, apt-get dist-upgrade - with current apt, upgrade will often fail because systemd expects a configure libgcrypt20, or util-linux expects a configured libudev1 or similar, but these packages aren't configured. - with the fixed apt, the upgrade should run smoothly. Regression potential: Any bug here might potentially break package installation or upgrades completely. That said, the fix is quite obvious and has been in production in xenial for a week. Testing this SRU should include several dist-upgrades as well as some normal package installs in trusty/wily. ProblemType: Package DistroRelease: Ubuntu 16.04 Package: systemd-sysv 225-1ubuntu9.1 Uname: Linux 4.4.5-040405-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 Date: Tue Mar 22 22:56:03 2016 ErrorMessage: pre-dependency problem - not installing systemd-sysv InstallationDate: Installed on 2013-04-24 (1064 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.7 SourcePackage: systemd Title: package systemd-sysv 225-1ubuntu9.1 failed to install/upgrade: pre-dependency problem - not installing systemd-sysv UpgradeStatus: Upgraded to xenial on 2016-03-23 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1560797/+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