[Bug 1903468] Re: Endless "Cache Refresh" on Software Update settings change

[Plamen]

It got stranger this time. Now while the "Cache Refresh" window was
hanging the software list with things to update popped (new image
attached). Updated the listed programs and closed it and the Cache
Refresh was still there.

How can I retrieve the number for the command you sent. The n in
'journalctl -b <n>'

** Attachment added: "Screenshot from 2020-11-10 23-17-25.png"
   https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1903468/+attachment/5433119/+files/Screenshot%20from%202020-11-10%2023-17-25.png

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https://bugs.launchpad.net/bugs/1903468

Title:
  Endless "Cache Refresh" on Software Update settings change

Status in software-properties package in Ubuntu:
  Incomplete

Bug description:
  After reapplying some of the checkboxes under "Software & Updates" ->
  "Other Software" after distro upgrade, a window with title "Cache
  Refresh" pops and never disappears. (check screenshot bellow)

  > lsb_release -rd
  Description:	Ubuntu 20.04.1 LTS
  Release:	20.04

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: software-properties-gtk 0.98.9.2
  ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
  Uname: Linux 5.4.0-52-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.11
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: GNOME
  Date: Mon Nov  9 01:55:13 2020
  ExecutablePath: /usr/bin/software-properties-gtk
  InstallationDate: Installed on 2015-06-17 (1971 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
  InterpreterPath: /usr/bin/python3.8
  PackageArchitecture: all
  Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
  SourcePackage: software-properties
  UpgradeStatus: Upgraded to focal on 2020-09-29 (40 days ago)

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