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

[Daniel Hartwig]

cjwatson wrote:
> I'm uploading 0.6.6-1ubuntu1 to precise now. However, I'm not closing
> this bug at this point, because I'm not convinced it entirely fixes it
> (and upstream doesn't appear to truly claim that it does).

Correct -- as previously mentioned, the problem resolver is not
intelligent in it's handling of m-a situations.

I was very particular in closing bugs with the changelog.

> The
> directions in the bug description still produce a certain degree of
> chaos; Daniel, do you think you could try those out?

I am sure that they do.  I can not say when I will next have sufficient
time to look at this.

I suspect this can be fixed with a relatively minor change, any C++
hackers can investigate the source files
src/generic/problemresolver/* src/generic/apt/aptitude_resolver*
for potential solutions.

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

Title:
  aptitude cannot handle conflicts with multiarch enabled

Status in aptitude:
  Fix Released
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:
  Invalid
Status in “aptitude” package in Debian:
  Fix Released

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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