[Bug 924079] Re: do-release-upgrade fails to upgrade from Oneiric to Precise: Couldn't configure pre-depend libtinfo5 for libncurses5, probably a dependency cycle

[Adam Conrad]

Seems like this class of "apt is a bit sketchy in older releases" bugs
could be worked around by the same "release-upgrader-apt" backport
workaround that we used for lucid->precise.  Could we maybe just do the
same backport to oneiric (and adjust update-manager to use it) and call
it good?

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Title:
  do-release-upgrade fails to upgrade from Oneiric to Precise: Couldn't
  configure pre-depend libtinfo5 for libncurses5, probably a dependency
  cycle

Status in “apt” package in Ubuntu:
  Triaged
Status in “apt” source package in Oneiric:
  Triaged
Status in “apt” source package in Precise:
  Triaged

Bug description:
  On this system, do-release-upgrade is unable to upgrade to Precise.
  Logs should be attached, if not, I've got them saved.

  The system hasn't yet been upgraded successfully, so if you need any
  additional information not attached here, that can be gathered.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager-core 1:0.152.25.5
  ProcVersionSignature: Ubuntu 3.0.0-8.10-generic 3.0.1
  Uname: Linux 3.0.0-8-generic x86_64
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Tue Jan 31 14:05:27 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_AU.UTF-8
   SHELL=/usr/bin/zsh
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to oneiric on 2012-01-31 (0 days ago)

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