[Bug 876379] Re: Unable to upgrade to 11.10 using kpackagekit because a package is marked as downgrade

[Michael Vogt]

Thanks, I uploaded a new version of update-manager into the archive that
should fix this problem. In order to use it you will have to run: "do-
release-upgrade --proposed" (or update-manager --proposed).

** Changed in: update-manager (Ubuntu)
       Status: New => Fix Committed

** Changed in: update-manager (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/876379

Title:
  Unable to upgrade to 11.10 using kpackagekit because a package is
  marked as downgrade

Status in “update-manager” package in Ubuntu:
  Fix Committed

Bug description:
  When I tried to upgrade from 11.04 to 11.10 through kpackagekit, the I received the error message 
  "Process exited with code 1".

  Michael Vogt (mvo) advised me to file a new bug here https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/873411
  saying that my error stems from a package that is marked as downgrade. 

  Thinking about his comment I realized that I do have such a package. I installed the clementine audio-player from their bleeding-edge repository  http://ppa.launchpad.net/me-davidsansome/clementine-dev/ubuntu/ 
  Clementine is also packaged in the official Kubuntu repos. It is an older version than the bleeding edge one but it gets listed as newer, thus the downgrade, I think. 

  I could try to uninstall clementine and do the dist-upgrade after that
  if you want me to. For now, I'll wait until I get a response here.

  There is no preferences file in /etc/apt/ but one in
  /etc/apt/preferences.d/ which I attached here.

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