[Bug 831768] Re: aptitude cannot handle conflicts with multiarch enabled

[Jonathan]

After update to oneiric, aptitude gave me strange the option of removing 125 packages.
I had told it to forget the changes then search for broken packages, it picked up qdbus.
With synaptic I installed qdbus and removed qdbus:i386; Back to aptitude and the suggested removals are gone.

Now forget new packages resets after update and 6 unneeded (not
recommended) packages get auto selected for install, guessing all down
to this bug.

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https://bugs.launchpad.net/bugs/831768

Title:
  aptitude cannot handle conflicts with multiarch enabled

Status in “aptitude” package in Ubuntu:
  Triaged
Status in “aptitude” source package in Oneiric:
  Triaged
Status in “aptitude” source package in Precise:
  Triaged
Status in Baltix GNU/Linux:
  New

Bug description:
  TEST CASE:
  1. Enable multiarch (should be automatic on new oneiric systems)
  2. Install an i386 package on amd64 (like flashplugin-installer:i386)
  3. Mark something with a lot of dependencies for installation
  4. On the confirmation screen, try to remove on of the dependencies (aptitude will now fail to perform upgrades when there's a package conflict w/out removing the i386 libs)

  This renders aptitude painful on a multiarch enabled system (default
  in oneiric).

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: aptitude 0.6.4-1ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-9.12-generic 3.0.3
  Uname: Linux 3.0.0-9-generic x86_64
  Architecture: amd64
  Date: Tue Aug 23 00:28:38 2011
  ProcEnviron:
   PATH=(custom, no user)
   LANG=C
   SHELL=/bin/bash
  SourcePackage: aptitude
  UpgradeStatus: Upgraded to oneiric on 2011-03-06 (169 days ago)

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