[Bug 2105395] Re: Failure: The 3.0 solver produced a worse result

[Julian Andres Klode]

Thanks for your report.

When I developed the solver evaluation, It seems I did not consider that
"more upgrades" is worse when it comes to an "install" command, I always
counted "more upgrades" as a better solution.

And I changed the classic solver a while ago to upgrade all binaries
produced by a source package when installing a new version of one of
them; but the  new solver doesn't  have that - it upgrades as few
packages  as possible.

** Changed in: apt (Ubuntu)
       Status: Confirmed => Triaged

** Changed in: apt (Ubuntu)
     Assignee: (unassigned) => Julian Andres Klode (juliank)

** Tags added: foundations-todo

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https://bugs.launchpad.net/bugs/2105395

Title:
  Failure: The 3.0 solver produced a worse result

Status in apt package in Ubuntu:
  Triaged

Bug description:
  Ocurred when closing rhytminbox

  ProblemType: AptSolver
  DistroRelease: Ubuntu 25.04
  Package: apt 2.9.34
  ProcVersionSignature: Ubuntu 6.14.0-13.13-generic 6.14.0
  Uname: Linux 6.14.0-13-generic x86_64
  ApportVersion: 2.32.0-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Sat Mar 29 14:47:42 2025
  InstallationDate: Installed on 2025-03-29 (0 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Beta amd64 (20250326.6)
  SourcePackage: apt
  Title: Failure: The 3.0 solver produced a worse result
  UpgradeStatus: No upgrade log present (probably fresh install)

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