Tried to do a do-release-upgrade from Ubuntu 18.04.5 LTS

[Daniel Johansson]

/var/log/dist-upgrade/20201111-1044/main.log:

2020-11-11 10:42:23,026 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2020-11-11 10:42:23,027 INFO uname information: 'Linux yoda 4.15.0-123-generic #126-Ubuntu SMP Wed Oct 21 09:40:11 UTC 2020 x86_64'
2020-11-11 10:42:23,310 INFO apt version: '1.6.12ubuntu0.1'
2020-11-11 10:42:23,311 INFO python version: '3.6.9 (default, Oct 8 2020, 12:12:24)
[GCC 8.4.0]'
2020-11-11 10:42:23,313 INFO release-upgrader version '20.04.28' started
2020-11-11 10:42:23,319 INFO locale: 'en_US' 'UTF-8'
2020-11-11 10:42:23,457 DEBUG Using 'DistUpgradeViewText' view
2020-11-11 10:42:23,508 DEBUG enable dpkg --force-overwrite
2020-11-11 10:42:23,559 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2020-11-11 10:42:25,911 DEBUG lsb-release: 'bionic'
2020-11-11 10:42:48,858 DEBUG _pythonSymlinkCheck run
2020-11-11 10:42:48,860 DEBUG openCache()
2020-11-11 10:42:48,860 DEBUG quirks: running PreCacheOpen
2020-11-11 10:42:48,860 DEBUG running Quirks.PreCacheOpen
2020-11-11 10:42:49,905 DEBUG Comparing 4.15.0-118 with
2020-11-11 10:42:49,905 DEBUG Comparing 4.15.0-121 with 4.15.0-118
2020-11-11 10:42:49,906 DEBUG Comparing 4.15.0-122 with 4.15.0-121
2020-11-11 10:42:49,906 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2020-11-11 10:42:50,249 DEBUG /openCache(), new cache size 68786
2020-11-11 10:42:50,250 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2020-11-11 10:42:50,250 DEBUG checkViewDepends()
2020-11-11 10:42:50,275 DEBUG running doUpdate() (showErrors=False)
2020-11-11 10:42:51,269 DEBUG openCache()
2020-11-11 10:42:52,309 DEBUG Comparing 4.15.0-118 with
2020-11-11 10:42:52,309 DEBUG Comparing 4.15.0-121 with 4.15.0-118
2020-11-11 10:42:52,309 DEBUG Comparing 4.15.0-122 with 4.15.0-121
2020-11-11 10:42:52,310 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2020-11-11 10:42:52,664 DEBUG /openCache(), new cache size 68786
2020-11-11 10:42:52,664 DEBUG doPostInitialUpdate
2020-11-11 10:42:52,664 DEBUG quirks: running focalPostInitialUpdate
2020-11-11 10:42:52,665 DEBUG running Quirks.focalPostInitialUpdate
2020-11-11 10:42:56,419 DEBUG MetaPkgs:
2020-11-11 10:43:01,029 DEBUG Foreign:
2020-11-11 10:43:01,029 DEBUG Obsolete:
2020-11-11 10:43:01,029 DEBUG updateSourcesList()
2020-11-11 10:43:01,044 DEBUG rewriteSourcesList() with mirror_check
2020-11-11 10:43:01,045 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2020-11-11 10:43:01,045 DEBUG Checking pkg: ubuntu-minimal
2020-11-11 10:43:01,047 DEBUG Checking pkg: ubuntu-standard
2020-11-11 10:43:01,052 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic main restricted'
2020-11-11 10:43:01,052 DEBUG verifySourcesListEntry: deb http://archive.ubuntu.com/ubuntu focal main restricted
2020-11-11 10:43:01,052 DEBUG url_downloadable: http://archive.ubuntu.com/ubuntu/dists/focal/Release
2020-11-11 10:43:01,052 DEBUG s='http' n='archive.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f=''
2020-11-11 10:43:01,109 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal main restricted' updated to new dist
2020-11-11 10:43:01,110 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates main restricted'
2020-11-11 10:43:01,110 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates main restricted' updated to new dist
2020-11-11 10:43:01,110 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic universe'
2020-11-11 10:43:01,110 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal universe' updated to new dist
2020-11-11 10:43:01,110 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates universe'
2020-11-11 10:43:01,110 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates universe' updated to new dist
2020-11-11 10:43:01,110 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic multiverse'
2020-11-11 10:43:01,110 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal multiverse' updated to new dist
2020-11-11 10:43:01,110 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-updates multiverse'
2020-11-11 10:43:01,111 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-updates multiverse' updated to new dist
2020-11-11 10:43:01,111 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-backports main restricted universe multiverse'
2020-11-11 10:43:01,111 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse' updated to new dist
2020-11-11 10:43:01,111 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-security main restricted'
2020-11-11 10:43:01,111 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-security main restricted' updated to new dist
2020-11-11 10:43:01,111 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-security universe'
2020-11-11 10:43:01,111 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-security universe' updated to new dist
2020-11-11 10:43:01,111 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu bionic-security multiverse'
2020-11-11 10:43:01,111 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu focal-security multiverse' updated to new dist
2020-11-11 10:43:01,113 DEBUG running doUpdate() (showErrors=True)
2020-11-11 10:43:14,702 DEBUG openCache()
2020-11-11 10:43:15,684 DEBUG Comparing 4.15.0-118 with
2020-11-11 10:43:15,684 DEBUG Comparing 4.15.0-121 with 4.15.0-118
2020-11-11 10:43:15,684 DEBUG Comparing 4.15.0-122 with 4.15.0-121
2020-11-11 10:43:15,684 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2020-11-11 10:43:15,973 DEBUG /openCache(), new cache size 61738
2020-11-11 10:43:15,974 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2020-11-11 10:43:15,975 DEBUG quirks: running PreDistUpgradeCache
2020-11-11 10:43:15,975 DEBUG running Quirks.PreDistUpgradeCache
2020-11-11 10:43:15,975 INFO checking for python-dbg
2020-11-11 10:43:15,975 INFO checking for python-doc
2020-11-11 10:43:15,975 INFO checking for python-minimal
2020-11-11 10:43:15,975 INFO installing python-is-python2 because python-minimal was installed
2020-11-11 10:43:15,975 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
2020-11-11 10:43:16,009 INFO removing python-minimal because python-is-python2 is being installed
2020-11-11 10:43:16,009 DEBUG Removing 'python-minimal' (python-is-python2 is being installed on the system)
2020-11-11 10:43:16,010 INFO failed to remove python-minimal
2020-11-11 10:43:16,010 INFO checking for python-dev
2020-11-11 10:43:16,011 INFO checking for libpython-dev
2020-11-11 10:43:16,011 INFO checking for libpython-stdlib
2020-11-11 10:43:16,011 INFO removing libpython-stdlib because None is being installed
2020-11-11 10:43:16,011 DEBUG Removing 'libpython-stdlib' (None is being installed on the system)
2020-11-11 10:43:16,011 INFO failed to remove libpython-stdlib
2020-11-11 10:43:16,011 INFO checking for libpython-dbg
2020-11-11 10:43:16,277 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2020-11-11 10:43:16,278 DEBUG abort called
2020-11-11 10:43:16,278 DEBUG openCache()
2020-11-11 10:43:19,100 DEBUG Comparing 4.15.0-118 with
2020-11-11 10:43:19,100 DEBUG Comparing 4.15.0-121 with 4.15.0-118
2020-11-11 10:43:19,101 DEBUG Comparing 4.15.0-122 with 4.15.0-121
2020-11-11 10:43:19,101 DEBUG Comparing 4.15.0-123 with 4.15.0-122
2020-11-11 10:43:19,445 DEBUG /openCache(), new cache size 68786

---

/var/log/dist-upgrade/20201111-1044/apt.log

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.40
ProcVersionSignature: Ubuntu 4.15.0-123.126-generic 4.15.18
Uname: Linux 4.15.0-123-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.19
Architecture: amd64
CrashDB: ubuntu
Date: Wed Nov 11 10:54:03 2020
InstallationDate: Installed on 2019-12-20 (326 days ago)
InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
PackageArchitecture: all
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-11 (0 days ago)

[Brian Murray (brian-murray)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1886748, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.