[Bug 779215] Re: Upgrading from maverick to natty fails due to "resolve generated breaks" error

[RedSingularity]

Closing due to inactivity.  Feel free to reopen if needed.
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** Changed in: update-manager (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/779215

Title:
  Upgrading from maverick to natty fails due to "resolve generated
  breaks" error

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

Bug description:
  Binary package hint: update-manager

  When I attempted to upgrade from maverick to natty, it fails to a
  "could not calculate upgrade" error.  I purged all PPAs vi ppa-purge
  but I still run into the error.  Quite a few packages are being held
  back, and python:i386 seems to be the culprit.  I'm not sure which
  packages to remove at this point since these seem to be officially
  supported Ubuntu packages in the apt.log file.

  After purging the PPAs, I expected the upgrade to proceed but instead
  it fails with the "could not calculate" error due to broken
  dependencies during the upgrade process

  Error is "E:Error, pkgProblemResolver::Resolve generated breaks, this
  may be caused by held packages."

  Description:    Ubuntu 10.10
  Release:        10.10
  update-manager:
    Installed: 1:0.142.23
    Candidate: 1:0.142.23
    Version table:
   *** 1:0.142.23 0
          500 http://us.archive.ubuntu.com/ubuntu/ maverick-updates/main i386 Packages
          100 /var/lib/dpkg/status
       1:0.142.19 0
          500 http://us.archive.ubuntu.com/ubuntu/ maverick/main i386 Packages

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