Public bug reported: 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@david-linux:~$ sudo apt upgrae E: Invalid operation upgrae david@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: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade focal third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2126652 Title: tyring to upgrade OS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2126652/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
