[Bug 1286288] Re: Calculation of upgrade failed

[Brian Murray]

*** This bug is a duplicate of bug 1280782 ***
    https://bugs.launchpad.net/bugs/1280782

** This bug is no longer a duplicate of bug 1284646
   unversioned tk package prevents upgrade to trusty alpha
** This bug has been marked a duplicate of bug 1280782
   Unable to upgrade from 13.10 to 14.04 - tk8.5-lib fails to upgrade to libtk8.5

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https://bugs.launchpad.net/bugs/1286288

Title:
  Calculation of upgrade failed

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

Bug description:
  kubuntu-devel-release-upgrade fails with the "Could not calculate the
  upgrade" message dialog, referring to an unresolvale problem while
  calculating the upgrade.

  A manual apt-get dist-upgrade on the terminal suggests that the
  following conflict might be the reason perhaps?

  Calculating upgrade... Failed
  The following packages have unmet dependencies:
   tk : Breaks: tk8.5 (< 8.5.14-3) but 8.5.11-2ubuntu4 is to be installed
  E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

  That said, aptitude seems to be able to determine an upgrade path.

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