[Bug 1899058] Re: upgrade fails

[Daniel Letzeisen]

*** This bug is a duplicate of bug 1889250 ***
    https://bugs.launchpad.net/bugs/1889250

https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-
upgrader/+bug/1889250/comments/2

** This bug has been marked a duplicate of bug 1889250
   Unable to calculate the upgrade to 20.04 due to nodejs from nodesource

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https://bugs.launchpad.net/bugs/1899058

Title:
  upgrade fails

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

Bug description:
  main.log:

  2020-10-08 19:30:21,850 INFO installing python-is-python2 because python-minimal was installed
  2020-10-08 19:30:21,850 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
  2020-10-08 19:30:29,950 ERROR Dist-upgrade failed: 'E:Unable to correct problems, you have held broken packages.'
  2020-10-08 19:30:29,955 DEBUG abort called
  2020-10-08 19:30:29,960 DEBUG openCache()
  2020-10-08 19:30:33,182 DEBUG Comparing 4.13.0-31 with 
  2020-10-08 19:30:33,182 DEBUG Comparing 4.13.0-36 with 4.13.0-31
  2020-10-08 19:30:33,183 DEBUG Comparing 4.13.0-37 with 4.13.0-36
  2020-10-08 19:30:33,185 DEBUG Comparing 4.15.0-117 with 4.13.0-37
  2020-10-08 19:30:33,185 DEBUG Comparing 4.15.0-118 with 4.15.0-117
  2020-10-08 19:30:33,466 DEBUG /openCache(), new cache size 100003


  
  apt.log:

  Log time: 2020-10-08 19:12:20.324706
  Log time: 2020-10-08 19:12:29.265652
  Log time: 2020-10-08 19:30:21.820801
    MarkInstall python-is-python2:amd64 < none -> 2.7.17-4 @un uN Ib > FU=1
    Installing python2 as Depends of python-is-python2
      MarkInstall python2:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0
      Installing python2-minimal as PreDepends of python2
        MarkInstall python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0
         Removing: python-minimal
          MarkDelete python-minimal:amd64 < 2.7.15~rc1-1 @ii mK > FU=0
      Installing libpython2-stdlib as Depends of python2
        MarkInstall libpython2-stdlib:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0
         Removing: libpython-stdlib
          MarkDelete libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii mK > FU=0
       Removing: python
        MarkDelete python:amd64 < 2.7.15~rc1-1 @ii mK Ib > FU=0
  Starting pkgProblemResolver with broken count: 1
  Starting 2 pkgProblemResolver with broken count: 1
  Investigating (0) nodejs:amd64 < 14.13.1-1nodesource1 @ii mK Ib >
  Broken nodejs:amd64 Depends on python-minimal:amd64 < 2.7.15~rc1-1 @ii gR >
    Considering python-minimal:amd64 1 as a solution to nodejs:amd64 3
    Added python-minimal:amd64 to the remove list
    Fixing nodejs:amd64 via keep of python-minimal:amd64
    MarkKeep python-minimal:amd64 < 2.7.15~rc1-1 @ii gR > FU=0
  Investigating (0) python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
  Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2)
    Considering python-minimal:amd64 1 as a solution to python2-minimal:amd64 1
    MarkKeep python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0
    Holding Back python2-minimal:amd64 rather than change python-minimal:amd64
  Investigating (1) python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
  Broken python2:amd64 PreDepends on python2-minimal:amd64 < none | 2.7.17-2ubuntu4 @un umH > (= 2.7.17-2ubuntu4)
    Considering python2-minimal:amd64 1 as a solution to python2:amd64 1
    MarkKeep python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0
    Holding Back python2:amd64 rather than change python2-minimal:amd64
  Investigating (2) python-is-python2:amd64 < none -> 2.7.17-4 @un pumN Ib >
  Broken python-is-python2:amd64 Depends on python2:amd64 < none | 2.7.17-2ubuntu4 @un umH >
    Considering python2:amd64 1 as a solution to python-is-python2:amd64 9999
    Re-Instated python2-minimal:amd64
    Re-Instated python2:amd64
  Investigating (2) python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
  Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2)
    Considering python-minimal:amd64 1 as a solution to python2-minimal:amd64 1
    MarkKeep python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0
    Holding Back python2-minimal:amd64 rather than change python-minimal:amd64
  Investigating (3) python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
  Broken python2:amd64 PreDepends on python2-minimal:amd64 < none | 2.7.17-2ubuntu4 @un umH > (= 2.7.17-2ubuntu4)
    Considering python2-minimal:amd64 1 as a solution to python2:amd64 1
    MarkKeep python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0
    Holding Back python2:amd64 rather than change python2-minimal:amd64
  Investigating (4) python-is-python2:amd64 < none -> 2.7.17-4 @un pumN Ib >
  Broken python-is-python2:amd64 Depends on python2:amd64 < none | 2.7.17-2ubuntu4 @un umH >
    Considering python2:amd64 1 as a solution to python-is-python2:amd64 9999
  Done
  Log time: 2020-10-08 19:30:33.451187

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 4.15.0-118.119-generic 4.15.18
  Uname: Linux 4.15.0-118-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Oct  8 19:35:51 2020
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2017-07-09 (1186 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-08 (0 days ago)
  VarLogDistupgradeTermlog:

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