[Bug 1279513] Re: upgrade pre-release fail

[Jean-Baptiste Lallement]

Thanks for taking the time to report this bug and helping to make Ubuntu
better. Could you please add the log files from '/var/log/dist-upgrade/'
to this bug report as separate attachments? Thanks in advance.

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https://bugs.launchpad.net/bugs/1279513

Title:
  upgrade pre-release fail

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

Bug description:
  upgrading kubuntu 13.10 to 14.04 alpha 2 fails with the message "could
  not determine the upgrade"

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