[Bug 1857549] Re: no packages found matching ubuntu-release-upgrader-core

[Ubuntu Foundations Team Bug Bot]

** Package changed: ubuntu => ubuntu-release-upgrader (Ubuntu)

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https://bugs.launchpad.net/bugs/1857549

Title:
   no packages found matching ubuntu-release-upgrader-core

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Software updater states upgrade from 18.04 to 19.04 available but
  would not complete action. See below:

  Could not determine the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This was likely caused by: 
  * Unofficial software packages not provided by Ubuntu 
  Please use the tool 'ppa-purge' from the ppa-purge 
  package to remove software from a Launchpad PPA and 
  try the upgrade again. 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If 
  you want to investigate this yourself the log files in 
  '/var/log/dist-upgrade' will contain details about the upgrade. 
  Specifically, look at 'main.log' and 'apt.log'. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  root at karl-Inspiron-3521:/home/karl# ppa-purge

  Command 'ppa-purge' not found, but can be installed with:

  apt install ppa-purge

  root at karl-Inspiron-3521:/home/karl# apt install ppa-purge
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Suggested packages:
    aptitude
  The following NEW packages will be installed
    ppa-purge
  0 to upgrade, 1 to newly install, 0 to remove and 0 not to upgrade.
  Need to get 6,312 B of archives.
  After this operation, 24.6 kB of additional disk space will be used.
  Get:1 http://gb.archive.ubuntu.com/ubuntu eoan/universe amd64 ppa-purge all 0.2.8+bzr63 [6,312 B]
  Fetched 6,312 B in 0s (32.1 kB/s)    
  Selecting previously unselected package ppa-purge.
  (Reading database ... 5278 files and directories currently installed.)
  Preparing to unpack .../ppa-purge_0.2.8+bzr63_all.deb ...
  Unpacking ppa-purge (0.2.8+bzr63) ...
  Setting up ppa-purge (0.2.8+bzr63) ...
  root at karl-Inspiron-3521:/home/karl# ubuntu-bug ubuntu-release-upgrader-core
  dpkg-query: no packages found matching ubuntu-release-upgrader-core
  comm: /var/log/dmesg: No such file or directory
  root at karl-Inspiron-3521:/home/karl# [6011:6011:1225/160436.017261:ERROR:sandbox_linux.cc(368)] InitializeSandbox() called with multiple threads in process gpu-process.
  [5974:5993:1225/160436.066023:ERROR:browser_process_sub_thread.cc(217)] Waited 13 ms for network service
  Opening in existing browser session.

  Re package version I got this: 
  root at karl-Inspiron-3521:/home/karl# apt-cache policy pkgname
  N: Unable to locate package pkgname

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-51.55-generic 4.15.18
  Uname: Linux 4.15.0-51-generic x86_64
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed Dec 25 16:03:30 2019
  InstallationDate: Installed on 2018-11-18 (402 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2019-12-25 (0 days ago)
  VarLogDistupgradeTermlog:

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