Public bug reported: not able to upgrade from ubuntu 14 lts to 20 lts ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get upgrade [sudo] password for ashu: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be upgraded: libde265 libde265-0 2 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/256 kB of archives. After this operation, 5,120 B of additional disk space will be used. Do you want to continue? [Y/n] Y (Reading database ... 250865 files and directories currently installed.) Preparing to unpack .../libde265-0_1.0.8-1~ppa1~ubuntu14.04.1_amd64.deb ... Unpacking libde265-0:amd64 (1.0.8-1~ppa1~ubuntu14.04.1) over (1.0.4-1~ppa1~ubuntu14.04.1) ... Preparing to unpack .../libde265_1.0.8-1~ppa1~ubuntu14.04.1_all.deb ... Unpacking libde265 (1.0.8-1~ppa1~ubuntu14.04.1) over (1.0.4-1~ppa1~ubuntu14.04.1) ... Setting up libde265-0:amd64 (1.0.8-1~ppa1~ubuntu14.04.1) ... Setting up libde265 (1.0.8-1~ppa1~ubuntu14.04.1) ... Processing triggers for libc-bin (2.19-0ubuntu6.15) ... ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security InRelease Ign https://brave-browser-apt-release.s3.brave.com stable InRelease Hit http://security.ubuntu.com trusty-security/main amd64 Packages Get:2 http://ppa.launchpad.net trusty/main Sources [2,934 B] Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages Hit http://security.ubuntu.com trusty-security/universe amd64 Packages Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages Get:3 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex Ign https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex Hit http://security.ubuntu.com trusty-security/main i386 Packages Hit http://security.ubuntu.com trusty-security/restricted i386 Packages Hit http://ppa.launchpad.net trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/universe i386 Packages Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages Hit http://ppa.launchpad.net trusty/main Translation-en Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Hit http://security.ubuntu.com trusty-security/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse Translation-en Hit http://security.ubuntu.com trusty-security/restricted Translation-en Hit http://security.ubuntu.com trusty-security/universe Translation-en Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages Get:6 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:8 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:13 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Fetched 7,251 B in 11s (639 B/s) Reading package lists... Done W: GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6494C6D6997C215E Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.9wpShM3Aog --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/git-core-ppa.gpg --keyring /etc/apt/trusted.gpg.d/google-chrome.gpg --keyring /etc/apt/trusted.gpg.d/microsoft.gpg --keyring /etc/apt/trusted.gpg.d/strukturag-libde265.gpg --keyring /etc/apt/trusted.gpg.d/ubuntu-advantage-esm-infra-trusty.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6494C6D6997C215E gpg: requesting key 997C215E from hkp server keyserver.ubuntu.com gpg: key D38B4796: "Google Inc. (Linux Packages Signing Authority) <linux-packages-keymas...@google.com>" 17 new signatures gpg: key D38B4796: "Google Inc. (Linux Packages Signing Authority) <linux-packages-keymas...@google.com>" 1 new subkey gpg: Total number processed: 1 gpg: new subkeys: 1 gpg: new signatures: 17 ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease Ign https://brave-browser-apt-release.s3.brave.com stable InRelease Hit http://security.ubuntu.com trusty-security InRelease Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security/main amd64 Packages Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages Hit http://ppa.launchpad.net trusty/main Sources Hit http://security.ubuntu.com trusty-security/universe amd64 Packages Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages Get:2 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex Ign https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/main i386 Packages Hit http://security.ubuntu.com trusty-security/restricted i386 Packages Hit http://ppa.launchpad.net trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/universe i386 Packages Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages Hit http://ppa.launchpad.net trusty/main Translation-en Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Hit http://security.ubuntu.com trusty-security/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse Translation-en Hit http://security.ubuntu.com trusty-security/restricted Translation-en Hit http://security.ubuntu.com trusty-security/universe Translation-en Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:6 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:8 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Fetched 4,317 B in 9s (467 B/s) Reading package lists... Done W: GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo add-apt-repository ppa:webupd8team/y-ppa-manager Y PPA Manager
Info: http://www.webupd8.org/2010/11/y-ppa-manager-easily-search-add- remove.html This PPA is for Y PPA Manager and also includes the latest YAD for the supported Ubuntu versions (YAD is a dependency for Y PPA Manager): http://sourceforge.net/p/yad-dialog/ More info: https://launchpad.net/~webupd8team/+archive/ubuntu/y-ppa-manager Press [ENTER] to continue or ctrl-c to cancel adding it gpg: keyring `/tmp/tmpvjjxg3u9/secring.gpg' created gpg: keyring `/tmp/tmpvjjxg3u9/pubring.gpg' created gpg: requesting key EEA14886 from hkp server keyserver.ubuntu.com gpg: /tmp/tmpvjjxg3u9/trustdb.gpg: trustdb created gpg: key EEA14886: public key "Launchpad VLC" imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) OK ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease Ign https://brave-browser-apt-release.s3.brave.com stable InRelease Hit http://security.ubuntu.com trusty-security InRelease Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security/main amd64 Packages Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages Get:2 http://ppa.launchpad.net trusty InRelease [15.5 kB] Hit http://security.ubuntu.com trusty-security/universe amd64 Packages Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages Hit http://security.ubuntu.com trusty-security/main i386 Packages Hit http://ppa.launchpad.net trusty/main Sources Get:3 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex Ign https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex Hit http://security.ubuntu.com trusty-security/restricted i386 Packages Hit http://security.ubuntu.com trusty-security/universe i386 Packages Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse Translation-en Hit http://ppa.launchpad.net trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/restricted Translation-en Hit http://security.ubuntu.com trusty-security/universe Translation-en Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Hit http://ppa.launchpad.net trusty/main Translation-en Get:5 http://ppa.launchpad.net trusty/main amd64 Packages [1,098 B] Get:6 http://ppa.launchpad.net trusty/main i386 Packages [1,089 B] Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages Get:8 http://ppa.launchpad.net trusty/main Translation-en [881 B] Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:13 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:14 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:15 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:16 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Fetched 22.8 kB in 9s (2,291 B/s) Reading package lists... Done W: GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8580BDC82D3DC6C Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.KE0tHdBChT --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/git-core-ppa.gpg --keyring /etc/apt/trusted.gpg.d/google-chrome.gpg --keyring /etc/apt/trusted.gpg.d/microsoft.gpg --keyring /etc/apt/trusted.gpg.d/strukturag-libde265.gpg --keyring /etc/apt/trusted.gpg.d/ubuntu-advantage-esm-infra-trusty.gpg --keyring /etc/apt/trusted.gpg.d/webupd8team-y-ppa-manager.gpg --keyserver keyserver.ubuntu.com --recv-keys A8580BDC82D3DC6C gpg: requesting key 82D3DC6C from hkp server keyserver.ubuntu.com gpg: key C2D4E821: public key "Brave Software <supp...@brave.com>" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update Hit http://security.ubuntu.com trusty-security InRelease Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease Get:2 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages Hit http://security.ubuntu.com trusty-security/main amd64 Packages Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages Hit http://security.ubuntu.com trusty-security/universe amd64 Packages Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages Hit http://security.ubuntu.com trusty-security/main i386 Packages Hit http://security.ubuntu.com trusty-security/restricted i386 Packages Hit http://ppa.launchpad.net trusty/main Sources Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Hit http://security.ubuntu.com trusty-security/universe i386 Packages Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse Translation-en Hit http://security.ubuntu.com trusty-security/restricted Translation-en Hit http://ppa.launchpad.net trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/universe Translation-en Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit http://ppa.launchpad.net trusty/main Translation-en Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://ppa.launchpad.net trusty/main i386 Packages Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Hit http://ppa.launchpad.net trusty/main Translation-en Get:6 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:8 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Fetched 9,502 B in 9s (983 B/s) Reading package lists... Done ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo do-release-upgrade -d -f DistUpgradeViewGtk3 Checking for a new Ubuntu release No new release found ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo do-release-upgrade -d -f DistUpgradeViewGtk3 Checking for a new Ubuntu release No new release found ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo do-release-upgrade Checking for a new Ubuntu release Get:1 Upgrade tool signature [819 B] Get:2 Upgrade tool [1,254 kB] Fetched 1,255 kB in 0s (0 B/s) authenticate 'xenial.tar.gz' against 'xenial.tar.gz.gpg' extracting 'xenial.tar.gz' Reading cache Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Hit https://brave-browser-apt-release.s3.brave.com stable InRelease Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security InRelease Hit http://ppa.launchpad.net trusty InRelease Hit http://security.ubuntu.com trusty-security/main amd64 Packages Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages Hit http://ppa.launchpad.net trusty/main Sources Hit http://security.ubuntu.com trusty-security/universe amd64 Packages Get:1 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/main i386 Packages Hit http://ppa.launchpad.net trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/restricted i386 Packages Hit http://security.ubuntu.com trusty-security/universe i386 Packages Hit http://ppa.launchpad.net trusty/main Translation-en Get:2 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages Hit http://ppa.launchpad.net trusty/main amd64 Packages Hit http://security.ubuntu.com trusty-security/main Translation-en Hit http://security.ubuntu.com trusty-security/multiverse Translation-en Hit http://ppa.launchpad.net trusty/main i386 Packages Hit http://security.ubuntu.com trusty-security/restricted Translation-en Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Hit http://ppa.launchpad.net trusty/main Translation-en Hit http://security.ubuntu.com trusty-security/universe Translation-en Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Fetched 0 B in 0s (0 B/s) Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Updating repository information Third party sources disabled Some third party entries in your sources.list were disabled. You can re-enable them after the upgrade with the 'software-properties' tool or your package manager. To continue please press [ENTER] Hit https://brave-browser-apt-release.s3.brave.com stable InRelease Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages Get:1 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:2 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en Get:6 http://archive.ubuntu.com xenial InRelease [247 kB] Get:7 http://security.ubuntu.com xenial-security InRelease [99.8 kB] Get:8 http://archive.ubuntu.com xenial/main Sources [868 kB] Get:9 http://security.ubuntu.com xenial-security/main amd64 Packages [1,648 kB] Get:10 http://archive.ubuntu.com xenial/main amd64 Packages [1,201 kB] Get:11 http://archive.ubuntu.com xenial/main i386 Packages [1,196 kB] Get:12 http://security.ubuntu.com xenial-security/restricted amd64 Packages [9,824 B] Get:13 http://security.ubuntu.com xenial-security/universe amd64 Packages [785 kB] Get:14 http://security.ubuntu.com xenial-security/multiverse amd64 Packages [7,864 B] Get:15 http://archive.ubuntu.com xenial/main Translation-en [568 kB] Get:16 http://security.ubuntu.com xenial-security/main i386 Packages [1,159 kB] Get:17 http://security.ubuntu.com xenial-security/restricted i386 Packages [9,800 B] Get:18 http://security.ubuntu.com xenial-security/universe i386 Packages [665 kB] Get:19 http://security.ubuntu.com xenial-security/multiverse i386 Packages [8,084 B] Get:20 http://security.ubuntu.com xenial-security/main Translation-en [360 kB] Get:21 http://security.ubuntu.com xenial-security/multiverse Translation-en [2,672 B] Get:22 http://security.ubuntu.com xenial-security/restricted Translation-en [2,152 B] Get:23 http://security.ubuntu.com xenial-security/universe Translation-en [225 kB] Fetched 9,062 kB in 6s (824 kB/s) Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Calculating the changes Calculating the changes Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. Restoring original system state Aborting Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.11 [origin: unknown] ProcVersionSignature: Ubuntu 3.13.0-170.220-generic 3.13.11-ckt39 Uname: Linux 3.13.0-170-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Thu Jun 2 23:52:20 2022 InstallationDate: Installed on 2013-07-07 (3251 days ago) InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2022-06-02 (0 days ago) mtime.conffile..etc.update.manager.release.upgrades: 2022-06-02T23:41:44.427174 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1977461 Title: not able to upgrade from ubuntu 14 lts to 20 lts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1977461/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
