[Bug 940252] Re: lucid -> precise main all upgrade: system upgrades but upgraded system is still lucid

[Jean-Baptiste Lallement]

I disabled the code that captures debconf prompts - comment the line
DebconfLog from profile/default.cfg.d/default.cfg - and this error is
not triggered.

I didn't try yet but we should be able to trigger this bug with a manual upgrade of main using the following command:
$ DEBIAN_FRONTEND=editor EDITOR="cat>/tmp/debconf.log" do-release-upgrade -d

** Tags added: rls-mgr-p-tracking

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https://bugs.launchpad.net/bugs/940252

Title:
  lucid -> precise main all upgrade: system upgrades but upgraded system
  is still lucid

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Lucid to Precise upgrade main all i386/amd64

  Lucid upgrades but not completely and the resulting system shows that it is still Lucid (lsb_release, kernel, version of python)
  The upgrade finish without error.

  https://jenkins.qa.ubuntu.com/job/precise-upgrade-lucid-
  main/ARCH=amd64,LTS=lts,PROFILE=main-all,label=upgrade-test/32/

  Logs are attached as artefacts to the result of the jenkins job.

  bug about apt-term.log that shows only packages being removed is bug
  940240

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