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[Bug 2121820] Re: pkgProblemResolver finds problems on default Ubuntu Desktop install in Noble+

 

FTR the culprit:

  MarkInstall dconf-cli:amd64 < 0.40.0-4build2 -> 0.40.0-4ubuntu0.1 @ii pumU Ib > FU=1
  Upgrading libdconf1:amd64 < 0.40.0-4build2 | 0.40.0-4ubuntu0.1 @ii umH > due to dconf-cli:amd64
     Upgrading: dconf-service:amd64 < 0.40.0-4build2 @ii mK Ib > due to dconf-service:amd64 Depends on 
libdconf1:amd64 < 0.40.0-4build2 -> 0.40.0-4ubuntu0.1 @ii pumU > (= 0.40.0-4build2)

This doesn't work because only libdconf1 and dconf-cli are made
available in a new version, but not dconf-service. i.e. you partially
cherry-picked libdconf1 and dconf-cli out of proposed.

This in turn causes other packages to be removed.

** Changed in: dconf (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/2121820

Title:
  pkgProblemResolver finds problems on default Ubuntu Desktop install in
  Noble+

Status in apt package in Ubuntu:
  Incomplete
Status in dconf package in Ubuntu:
  Incomplete

Bug description:
  Spinning this bug off of 2072586 because it's not strictly related to
  the dconf changes.

  On a default Noble install, apt's pkgProblemResolver (when triggered)
  finds unmet dependencies (full log attached as noble-desktop-
  breaks.txt):

  ```
  The following packages have unmet dependencies:
   libcanberra-pulse : Depends: pipewire-pulse but it is not going to be installed or
                                pulseaudio but it is not going to be installed
  E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
  ```

  After removing libcanberra-pulse, pkgProblemResolver attempts to
  remove many desktop packages (see attached noble-desktop-remove.txt).

  The libcanberra-pulse issue does not occur on Plucky, but
  pkgProblemResolver still attempts to remove many of the desktop
  packages.

  To reproduce, install from ISO from releases.ubuntu.com; dist-upgrade,
  and trigger pkgProblemResolver.

  I'm not sure if this is expected behavior or not but would like to
  confirm since removing the desktop seems like misbehavior.

  [ Other Information ]

  See also 2099966, 2099829

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