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

[Bryce Harrington]

Thanks, yes please include a debdiff, and a couple SRU fields still need
to be filled out.  Please re-subscribe ubuntu-sponsors when this work
has been completed.

** Description changed:

- TEST CASE:
+ [Impact]
+ 
+ [Fix]
+ 
+ [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).
  
- WORKAROUND:
+ [Workaround]
  1. If you can survive without 32 bit libraries, just comment out the single line in /etc/dpkg/dpkg.cfg.d/multiarch; or
  2. Use another package manager (e.g. apt-get, synaptic, or Software Center)
  3. Disable the problem resolver by adding this line in /etc/apt/apt.conf:
  
  Aptitude::ProblemResolver::StepLimit "0";
  
+ [Regression Potential]
+ 
+ [Original Report]
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: aptitude 0.6.4-1ubuntu2
  Architecture: amd64

** Changed in: aptitude (Ubuntu Precise)
       Status: Triaged => Incomplete

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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:
  Incomplete
Status in Baltix GNU/Linux:
  Incomplete
Status in “aptitude” package in Debian:
  Fix Released

Bug description:
  [Impact]

  [Fix]

  [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).

  [Workaround]
  1. If you can survive without 32 bit libraries, just comment out the single line in /etc/dpkg/dpkg.cfg.d/multiarch; or
  2. Use another package manager (e.g. apt-get, synaptic, or Software Center)
  3. Disable the problem resolver by adding this line in /etc/apt/apt.conf:

  Aptitude::ProblemResolver::StepLimit "0";

  [Regression Potential]

  [Original Report]
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: aptitude 0.6.4-1ubuntu2
  Architecture: amd64

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