[Bug 993836] Re: do-release-upgrade from 10.04.4 to 12.04 doesn't work

[Kirodema]

** Attachment added: "dist-upgrade.tar.gz"
   https://bugs.launchpad.net/ubuntu/+source/update-manager-core/+bug/993836/+attachment/3129627/+files/dist-upgrade.tar.gz

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https://bugs.launchpad.net/bugs/993836

Title:
  do-release-upgrade from 10.04.4 to 12.04 doesn't work

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

Bug description:
  I have to make a testupgrade for our mysql servers from 10.04 to 12.04
  and installed a test environment. First I got a wrong packagelist via
  dpkg --get-selections from a wrong server and installed it. Afterwards
  I changed this list to purge and then I first selected the purge list
  and immediatly after that I selected the correct list and applied it
  with dselect.

  Now I am stuck with do-release-upgrade.
  I do a 'do-release-upgrade -d' and it offers me 12.04 but after changing the source.list it just quits with
  E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

  I have no idea where the problem is.

  My /var/log/dist-upgrade is attached.

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