[Bug 1132016] [NEW] ubuntu-release-upgrader-core could not calculate the upgrade

[Graeme Nelson]

Public bug reported:

When updating from Kubuntu 12.04 to 12.10, got the message -
"
Could not calculate the upgrade
An unresolvable problem occurred while calculating the 
upgrade: The package 'kubuntu-desktop' is marked for 
removal but it is on the removal blacklist. This can be 
caused by: * Upgrading to a prelease version of Ubuntu 
* Running the current pre-release version of Ubuntu * 
Unofficial software packages not provided by Ubuntu If 
non of this applies, then please report this bug using the 
command 'ubuntu-bug ubuntu-release-upgrader-core' in a 
terminal.
"

I know that neither
* Upgrading to a prelease version of Ubuntu 
* Running the current pre-release version of Ubuntu 
apply, but I don't know about 
* Unofficial software packages not provided by Ubuntu
as I do have some non-Ubuntu/Canonical supplied software installed.  I've not had this problem with any previous version upgrade, and the only thing I've installed since the 12.04 version upgrade was possibly either Chrome or Chromium.

graeme at dust-puppy:~$ lsb_release -rd
Description:    Ubuntu 12.04 LTS
Release:        12.04
graeme at dust-puppy:~$ apt-cache policy ubuntu-release-upgrader-core
ubuntu-release-upgrader-core:
  Installed: (none)
  Candidate: 1:0.190.1
  Version table:
     1:0.190.1 0
        500 http://archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
graeme at dust-puppy:~$ apt-cache policy kubuntu-desktop
kubuntu-desktop:
  Installed: 1.254
  Candidate: 1.254
  Version table:
 *** 1.254 0
        100 /var/lib/dpkg/status
graeme at dust-puppy:~$

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1132016

Title:
  ubuntu-release-upgrader-core could not calculate the upgrade

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  When updating from Kubuntu 12.04 to 12.10, got the message -
  "
  Could not calculate the upgrade
  An unresolvable problem occurred while calculating the 
  upgrade: The package 'kubuntu-desktop' is marked for 
  removal but it is on the removal blacklist. This can be 
  caused by: * Upgrading to a prelease version of Ubuntu 
  * Running the current pre-release version of Ubuntu * 
  Unofficial software packages not provided by Ubuntu If 
  non of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a 
  terminal.
  "

  I know that neither
  * Upgrading to a prelease version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  apply, but I don't know about 
  * Unofficial software packages not provided by Ubuntu
  as I do have some non-Ubuntu/Canonical supplied software installed.  I've not had this problem with any previous version upgrade, and the only thing I've installed since the 12.04 version upgrade was possibly either Chrome or Chromium.

  graeme at dust-puppy:~$ lsb_release -rd
  Description:    Ubuntu 12.04 LTS
  Release:        12.04
  graeme at dust-puppy:~$ apt-cache policy ubuntu-release-upgrader-core
  ubuntu-release-upgrader-core:
    Installed: (none)
    Candidate: 1:0.190.1
    Version table:
       1:0.190.1 0
          500 http://archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
  graeme at dust-puppy:~$ apt-cache policy kubuntu-desktop
  kubuntu-desktop:
    Installed: 1.254
    Candidate: 1.254
    Version table:
   *** 1.254 0
          100 /var/lib/dpkg/status
  graeme at dust-puppy:~$

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