[Bug 1550741] Re: Upgrade failed - unauthenticated package (module-init-tools)

[Michael Vogt]

I looked at this a bit more, here are some findings:
- the "module-init-tools" package is returned from cache.get_changes() *but* it not marked for install/remove/upgrade/reinstall/downgrade - funny enough its also not marked "keep" so its in some heisenstate
- module-init-tools is not installable because it has a hard depenency on libkmod2=21-1ubuntu1 but the libmod2 version in xenial is 22-1ubuntu1.
- when apts depcache.cc sees a package like module-init-tools that has a hard dependency that can't be satisfied it will reset the candidate version. I (strongly) suspect it also need to set it back into "keep" state.

So to fix this we need:
- make module-init-tools installable again
- fix apt to not go into heisenstate when it encounters a situation like this

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1550741

Title:
  Upgrade failed - unauthenticated package (module-init-tools)

Status in module-init-tools package in Ubuntu:
  Confirmed
Status in ubuntu-release-upgrader package in Ubuntu:
  Confirmed

Bug description:
  Upgrading an updated (+ hwe) 14.04 to 16.04 fails on module-init-tools
  being unauthentiated

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3
  Uname: Linux 4.2.0-30-generic i686
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Sat Feb 27 15:46:12 2016
  InstallationDate: Installed on 2016-02-27 (0 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-02-27 (0 days ago)
  VarLogDistupgradeTermlog:

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/module-init-tools/+bug/1550741/+subscriptions