[Bug 2126652] Re: tyring to upgrade OS

[Chris Guiver]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Bug reporting is about finding & fixing problems thus preventing future
users from hitting the same bug.

I suspect a Support site would be more appropriate, e.g.
https://answers.launchpad.net/ubuntu. You can also find help with your
problem in the support forum of your local Ubuntu community
http://loco.ubuntu.com/ or asking at https://askubuntu.com or
https://discourse.ubuntu.com/t/welcome-to-support-and-help/49951), or
for more support options please look at
https://discourse.ubuntu.com/t/community-support/709.

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https://bugs.launchpad.net/bugs/2126652

Title:
  tyring to upgrade OS

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

Bug description:
  sudo apt update
  Err:1 http://ubuntu.mirrors.tds.net/pub/ubuntu focal InRelease
    Could not resolve 'ubuntu.mirrors.tds.net'
  Err:2 http://ubuntu.mirrors.tds.net/pub/ubuntu focal-updates InRelease
    Could not resolve 'ubuntu.mirrors.tds.net'
  Err:3 http://ubuntu.mirrors.tds.net/pub/ubuntu focal-backports InRelease
    Could not resolve 'ubuntu.mirrors.tds.net'
  Err:4 http://ubuntu.mirrors.tds.net/pub/ubuntu focal-security InRelease
    Could not resolve 'ubuntu.mirrors.tds.net'
  Hit:5 http://archive.canonical.com/ubuntu focal InRelease
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  All packages are up to date.
  W: Failed to fetch http://ubuntu.mirrors.tds.net/pub/ubuntu/dists/focal/InRelease  Could not resolve 'ubuntu.mirrors.tds.net'
  W: Failed to fetch http://ubuntu.mirrors.tds.net/pub/ubuntu/dists/focal-updates/InRelease  Could not resolve 'ubuntu.mirrors.tds.net'
  W: Failed to fetch http://ubuntu.mirrors.tds.net/pub/ubuntu/dists/focal-backports/InRelease  Could not resolve 'ubuntu.mirrors.tds.net'
  W: Failed to fetch http://ubuntu.mirrors.tds.net/pub/ubuntu/dists/focal-security/InRelease  Could not resolve 'ubuntu.mirrors.tds.net'
  W: Some index files failed to download. They have been ignored, or old ones used instead.
  david at david-linux:~$ sudo apt upgrae
  E: Invalid operation upgrae
  david at david-linux:~$ sudo apt upgrade
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Calculating upgrade... Done

  Enable UA Infra: ESM to receive additional future security updates.
  See https://ubuntu.com/20-04 or run: sudo ua status

  Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
  applicable law.

  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
  3 not fully installed or removed.
  After this operation, 0 B of additional disk space will be used.
  Do you want to continue? [Y/n] y
  Setting up virtualbox-dkms (6.1.16-dfsg-6~ubuntu1.20.04.2) ...
  Removing old virtualbox-6.1.16 DKMS files...

  ------------------------------
  Deleting module version: 6.1.16
  completely from the DKMS tree.
  ------------------------------
  Done.
  Loading new virtualbox-6.1.16 DKMS files...
  Building for 5.11.0-38-generic
  Building initial module for 5.11.0-38-generic
  ERROR (dkms apport): kernel package linux-headers-5.11.0-38-generic is not suppo
  rted
  Error! Bad return status for module build on kernel: 5.11.0-38-generic (x86_64)
  Consult /var/lib/dkms/virtualbox/6.1.16/build/make.log for more information.
  dpkg: error processing package virtualbox-dkms (--configure):
   installed virtualbox-dkms package post-installation script subprocess returned 
  error exit status 10
  dpkg: dependency problems prevent configuration of virtualbox:
   virtualbox depends on virtualbox-dkms (>= 6.1.16-dfsg-6~ubuntu1.20.04.2) | virt
  ualbox-source (>= 6.1.16-dfsg-6~ubuntu1.20.04.2) | virtualbox-modules; however:
    Package virtualbox-dkms is not configured yet.
    Package virtualbox-source is not installed.
    Package virtualbox-modules is not installed.
    Package virtualbox-dkms which provides virtualbox-modules is not configured ye
  t.

  dpkg: error processing package virtualbox (--configure):
   dependency problems - leaving unconfigured
  dpkg: dependency problems prevent configuration of virtualbox-qt:
   virtualbox-qt depends on virtualbox (= 6.1.16-dfsg-6~ubuntu1.20.04.2); however:
    Package virtualbox is not configured yet.

  dpkg: error processing package virtualbox-qt (--configure):
   dependency problems - leaving unconfigured
  No apport report written because the error message indicates its a followup erro
  r from a previous failure.
                            No apport report written because the error message ind
  icates its a followup error from a previous failure.
                                                      Errors were encountered whil
  e processing:
   virtualbox-dkms
   virtualbox
   virtualbox-qt
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.36 [origin: unknown]
  ProcVersionSignature: Ubuntu 5.11.0-38.42~20.04.1-generic 5.11.22
  Uname: Linux 5.11.0-38-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  Date: Wed Oct  1 19:38:03 2025
  InstallationDate: Installed on 2021-11-03 (1428 days ago)
  InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2025-10-01 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2025-10-01 19:34:55.831729
   Log time: 2025-10-01 19:35:01.027406
   Log time: 2025-10-01 19:37:43.263072
   Log time: 2025-10-01 19:38:09.827862
  VarLogDistupgradeTermlog:

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