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Sec-Wizard avatar Ubuntu

Upgrade from 18.04 to 20.04 error "Could not calculate the upgrade"

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Sec-Wizard

While trying to upgrade from 18.04 to 20.04 I am getting the following message

Could not calculate the upgrade    
An unresolvable problem occurred while calculating the upgrade.

 If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to investigate this yourself the log files in '/var/log/dist-upgrade' will contain details about the upgrade. Specifically, look at 'main.log' and 'apt.log'.

I read some similar articles on this forum but couldn't find a solution. I have tried the following:

  • apt-get update (all 0)
  • apt-get upgrade (all 0)
  • apt-get autoclean
  • apt-get check
  • apt-get dist-upgrade
  • apt install -f
  • apt update && apt full-upgrade
  • dpkg --configure -a
  • apt autoremove

All outputs are 0

Output of grep Broken apt.log

Broken dpkg:amd64 Breaks on libapt-pkg5.0:amd64 < 1.6.17 @ii mK > (< 1.7~b)
Broken libuno-sal3:amd64 Breaks on uno-libs3:amd64 < 6.0.7-0ubuntu0.18.04.13 @ii mK >
Broken libgcc1:amd64 Conflicts on libgcc1:i386 < 1:8.4.0-1ubuntu1~18.04 -> 1:10.3.0-1ubuntu1~20.04 @ii umU Ib >
Broken libqt5core5a:amd64 Breaks on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mK > (< 4:4.8.7+dfsg-20~)
Broken libpython2-stdlib:amd64 Breaks on libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2)
Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2)
Broken gnome-settings-daemon-common:amd64 Breaks on gnome-settings-daemon-schemas:amd64 < 3.28.1-0ubuntu1.3 @ii mK > (< 3.30.1.2-2~)
Broken libqtdbus4:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-declarative:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqtgui4:amd64 Depends on libqt4-declarative:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-xml:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken qt-at-spi:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (>= 4:4.8~)
Broken libqt4-network:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libldb2:amd64 Breaks on libldb1:amd64 < 2:1.2.3-1ubuntu0.2 @ii mK > (< 2:2~)
Broken libqt4-script:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libsensors-config:amd64 Conflicts on libsensors4:amd64 < 1:3.4.0-4ubuntu0.1 @ii mK >
Broken libsensors-config:amd64 Conflicts on libsensors4:i386 < 1:3.4.0-4ubuntu0.1 @ii mK >
Broken libqt4-sql:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libomp-dev:amd64 Depends on libomp-10-dev:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libqt4-sql-mysql:amd64 Depends on libqt4-sql:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-dbus:amd64 Depends on libqtdbus4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-xmlpatterns:amd64 Depends on libqt4-network:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken fwupdate:amd64 Breaks on fwupdate-signed:amd64 < 12-7~ubuntu18.04.3 @ii mK >
Broken fwupdate:amd64 Breaks on libfwup1:amd64 < 12-3bionic2 @ii mK > (< 12-5)
Broken qdbus:amd64 Depends on libqt4-xml:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-svg:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-help:amd64 Depends on libqt4-network:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libedata-book-1.2-25:amd64 Depends on libebackend-1.2-10:amd64 < 3.28.5-0ubuntu0.18.04.3 -> 3.36.5-0ubuntu1 @ii umU > (= 3.28.5-0ubuntu0.18.04.3)
Broken libqtassistantclient4:amd64 Depends on libqt4-network:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (>= 4:4.8.1)
Broken libqt4-test:amd64 Depends on libqtcore4:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libqt4-scripttools:amd64 Depends on libqt4-script:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libqt4-designer:amd64 Depends on libqt4-script:amd64 < 4:4.8.7+dfsg-7ubuntu1 @ii mR > (= 4:4.8.7+dfsg-7ubuntu1)
Broken libcupsppdc1:amd64 Depends on libcups2:amd64 < 2.2.7-1ubuntu2.9 -> 2.3.1-9ubuntu1.2 @ii umU > (= 2.2.7-1ubuntu2.9)
Broken python3-pyqt4:amd64 Depends on python3:amd64 < 3.6.7-1~18.04 -> 3.8.2-0ubuntu2 @ii umU > (< 3.7)
Broken libsnmp30:amd64 Depends on libsensors4:amd64 < 1:3.4.0-4ubuntu0.1 @ii mR > (>= 1:3.0.0)
Broken libedata-cal-1.2-28:amd64 Depends on libebackend-1.2-10:amd64 < 3.28.5-0ubuntu0.18.04.3 -> 3.36.5-0ubuntu1 @ii umU > (= 3.28.5-0ubuntu0.18.04.3)
Broken libpolkit-backend-1-0:amd64 Depends on libpolkit-gobject-1-0:amd64 < 0.105-20ubuntu0.18.04.6 -> 0.105-26ubuntu1.3 @ii umU > (= 0.105-20ubuntu0.18.04.6)
Broken libcupscgi1:amd64 Depends on libcups2:amd64 < 2.2.7-1ubuntu2.9 -> 2.3.1-9ubuntu1.2 @ii umU > (= 2.2.7-1ubuntu2.9)
Broken libcupsmime1:amd64 Depends on libcups2:amd64 < 2.2.7-1ubuntu2.9 -> 2.3.1-9ubuntu1.2 @ii umU > (= 2.2.7-1ubuntu2.9)
Broken libebook-1.2-19:amd64 Depends on libedata-book-1.2-25:amd64 < 3.28.5-0ubuntu0.18.04.3 @ii mR > (= 3.28.5-0ubuntu0.18.04.3)
Broken libapt-inst2.0:amd64 Depends on libapt-pkg5.0:amd64 < 1.6.17 @ii mR > (>= 1.1~exp9)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)
Broken libomp5-9:amd64 Breaks on libomp5:amd64 < 5.0.1-1 | 1:10.0-50~exp1 @ii umH > (< 44)
Broken libomp5:amd64 Depends on libomp5-10:amd64 < none | 1:10.0.0-4ubuntu1 @un uH > (>= 10~)

Content of main.log

    2023-05-29 22:19:44,598 INFO Using config files '['./DistUpgrade.cfg.bionic', '/etc/update-manager/release-upgrades.d/ubuntu-advantage-upgrades.cfg']'
2023-05-29 22:19:44,599 INFO uname information: 'Linux Aspire-A515-51G 4.15.0-211-generic #222-Ubuntu SMP Tue Apr 18 18:55:06 UTC 2023 x86_64'
2023-05-29 22:19:45,326 INFO apt version: '1.6.17'
2023-05-29 22:19:45,327 INFO python version: '3.6.9 (default, Mar 10 2023, 16:46:00) 
[GCC 8.4.0]'
2023-05-29 22:19:45,331 INFO release-upgrader version '20.04.40' started
2023-05-29 22:19:45,430 INFO locale: 'en_IN' 'ISO8859-1'
2023-05-29 22:19:45,862 DEBUG Using 'DistUpgradeViewGtk3' view
2023-05-29 22:19:45,943 DEBUG enable dpkg --force-overwrite
2023-05-29 22:19:45,967 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2023-05-29 22:19:53,435 DEBUG lsb-release: 'bionic'
2023-05-29 22:19:53,436 DEBUG _pythonSymlinkCheck run
2023-05-29 22:19:53,437 DEBUG openCache()
2023-05-29 22:19:53,437 DEBUG quirks: running PreCacheOpen
2023-05-29 22:19:53,437 DEBUG running Quirks.PreCacheOpen
2023-05-29 22:19:55,812 DEBUG Comparing 4.15.0-211 with 
2023-05-29 22:19:55,815 DEBUG Comparing 4.15.0-88 with 4.15.0-211
2023-05-29 22:19:56,632 DEBUG /openCache(), new cache size 115764
2023-05-29 22:19:56,632 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2023-05-29 22:19:56,633 DEBUG checkViewDepends()
2023-05-29 22:19:56,636 DEBUG running doUpdate() (showErrors=False)
2023-05-29 22:20:01,608 DEBUG openCache()
2023-05-29 22:20:03,996 DEBUG Comparing 4.15.0-211 with 
2023-05-29 22:20:03,999 DEBUG Comparing 4.15.0-88 with 4.15.0-211
2023-05-29 22:20:04,835 DEBUG /openCache(), new cache size 115764
2023-05-29 22:20:04,835 DEBUG doPostInitialUpdate
2023-05-29 22:20:04,836 DEBUG quirks: running focalPostInitialUpdate
2023-05-29 22:20:04,836 DEBUG running Quirks.focalPostInitialUpdate
2023-05-29 22:20:08,550 WARNING error reading deb2snap.json file (Expected a string or a pair of strings)
2023-05-29 22:20:09,059 DEBUG Snap core18 is installed
2023-05-29 22:20:09,671 DEBUG Snap gnome-3-34-1804 is installed
2023-05-29 22:20:09,674 DEBUG Snap gnome-3-34-1804 is not tracking the release channel
2023-05-29 22:20:09,906 DEBUG Snap gtk-common-themes is installed
2023-05-29 22:20:10,570 DEBUG Snap bare is installed
2023-05-29 22:20:10,570 DEBUG Snap bare is not tracking the release channel
2023-05-29 22:20:10,877 DEBUG Snap canonical-livepatch is installed
2023-05-29 22:20:10,878 DEBUG Snap canonical-livepatch is not tracking the release channel
2023-05-29 22:20:11,286 DEBUG Snap chromium-ffmpeg is installed
2023-05-29 22:20:11,287 DEBUG Snap chromium-ffmpeg is not tracking the release channel
2023-05-29 22:20:11,793 DEBUG Snap core is installed
2023-05-29 22:20:11,793 DEBUG Snap core is not tracking the release channel
2023-05-29 22:20:12,001 DEBUG Snap core20 is installed
2023-05-29 22:20:12,002 DEBUG Snap core20 is not tracking the release channel
2023-05-29 22:20:12,413 DEBUG Snap core22 is installed
2023-05-29 22:20:12,413 DEBUG Snap core22 is not tracking the release channel
2023-05-29 22:20:12,635 DEBUG Snap gnome-3-26-1604 is installed
2023-05-29 22:20:12,890 DEBUG Snap gnome-3-28-1804 is installed
2023-05-29 22:20:12,891 DEBUG Snap gnome-3-28-1804 is not tracking the release channel
2023-05-29 22:20:13,235 DEBUG Snap gnome-3-38-2004 is installed
2023-05-29 22:20:13,235 DEBUG Snap gnome-3-38-2004 is not tracking the release channel
2023-05-29 22:20:13,456 DEBUG Snap gnome-42-2204 is installed
2023-05-29 22:20:13,457 DEBUG Snap gnome-42-2204 is not tracking the release channel
2023-05-29 22:20:13,843 DEBUG Snap gnome-calculator is installed
2023-05-29 22:20:14,263 DEBUG Snap gnome-characters is installed
2023-05-29 22:20:14,447 DEBUG Snap gnome-logs is installed
2023-05-29 22:20:14,772 DEBUG Snap gnome-system-monitor is installed
2023-05-29 22:20:15,173 DEBUG Snap john-the-ripper is installed
2023-05-29 22:20:15,174 DEBUG Snap john-the-ripper is not tracking the release channel
2023-05-29 22:20:15,590 DEBUG Snap opera is installed
2023-05-29 22:20:15,591 DEBUG Snap opera is not tracking the release channel
2023-05-29 22:20:15,860 DEBUG Snap ruby is installed
2023-05-29 22:20:15,861 DEBUG Snap ruby is not tracking the release channel
2023-05-29 22:20:22,348 DEBUG MetaPkgs: ubuntu-desktop
2023-05-29 22:20:29,924 DEBUG Foreign: 
2023-05-29 22:20:29,924 DEBUG Obsolete: cpu-g icaclient virtualbox-5.2 zoom
2023-05-29 22:20:29,925 DEBUG updateSourcesList()
2023-05-29 22:20:30,017 DEBUG rewriteSourcesList() with mirror_check
2023-05-29 22:20:30,018 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2023-05-29 22:20:30,018 DEBUG Checking pkg: ubuntu-minimal
2023-05-29 22:20:30,022 DEBUG Checking pkg: ubuntu-standard
2023-05-29 22:20:30,026 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic main restricted'
2023-05-29 22:20:30,026 DEBUG verifySourcesListEntry: deb https://cz.archive.ubuntu.com/ubuntu/ focal main restricted
2023-05-29 22:20:30,026 DEBUG url_downloadable: https://cz.archive.ubuntu.com/ubuntu//dists/focal/Release
2023-05-29 22:20:30,026 DEBUG s='https' n='cz.archive.ubuntu.com' p='/ubuntu//dists/focal/Release' q='' f=''
2023-05-29 22:20:30,236 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal main restricted' updated to new dist
2023-05-29 22:20:30,237 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic-updates main restricted'
2023-05-29 22:20:30,237 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal-updates main restricted' updated to new dist
2023-05-29 22:20:30,237 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic universe'
2023-05-29 22:20:30,238 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal universe' updated to new dist
2023-05-29 22:20:30,238 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic-updates universe'
2023-05-29 22:20:30,238 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal-updates universe' updated to new dist
2023-05-29 22:20:30,239 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic multiverse'
2023-05-29 22:20:30,239 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal multiverse' updated to new dist
2023-05-29 22:20:30,239 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic-updates multiverse'
2023-05-29 22:20:30,239 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal-updates multiverse' updated to new dist
2023-05-29 22:20:30,240 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic-security main restricted'
2023-05-29 22:20:30,240 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal-security main restricted' updated to new dist
2023-05-29 22:20:30,240 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic-security universe'
2023-05-29 22:20:30,240 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal-security universe' updated to new dist
2023-05-29 22:20:30,240 DEBUG examining: 'deb https://cz.archive.ubuntu.com/ubuntu/ bionic-security multiverse'
2023-05-29 22:20:30,241 DEBUG entry 'deb https://cz.archive.ubuntu.com/ubuntu/ focal-security multiverse' updated to new dist
2023-05-29 22:20:30,246 DEBUG running doUpdate() (showErrors=True)
2023-05-29 22:21:03,484 DEBUG openCache()
2023-05-29 22:21:05,318 DEBUG Comparing 4.15.0-211 with 
2023-05-29 22:21:05,319 DEBUG Comparing 4.15.0-88 with 4.15.0-211
2023-05-29 22:21:06,019 DEBUG /openCache(), new cache size 86403
2023-05-29 22:21:06,019 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2023-05-29 22:21:06,020 DEBUG quirks: running PreDistUpgradeCache
2023-05-29 22:21:06,020 DEBUG running Quirks.PreDistUpgradeCache
2023-05-29 22:21:06,020 INFO checking for python-dbg (auto_inst=False)
2023-05-29 22:21:06,020 INFO checking for python-doc (auto_inst=False)
2023-05-29 22:21:06,020 INFO checking for python-minimal (auto_inst=False)
2023-05-29 22:21:06,020 INFO installing python-is-python2 because python-minimal was installed
2023-05-29 22:21:06,020 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
2023-05-29 22:21:06,052 INFO removing python-minimal because python-is-python2 is being installed
2023-05-29 22:21:06,052 DEBUG Removing 'python-minimal' (python-is-python2 is being installed on the system)
2023-05-29 22:21:06,080 INFO failed to remove python-minimal
2023-05-29 22:21:06,081 INFO checking for python-dev (auto_inst=False)
2023-05-29 22:21:06,081 INFO checking for libpython-dev (auto_inst=False)
2023-05-29 22:21:06,081 INFO checking for libpython-stdlib (auto_inst=False)
2023-05-29 22:21:06,081 INFO removing libpython-stdlib because None is being installed
2023-05-29 22:21:06,082 DEBUG Removing 'libpython-stdlib' (None is being installed on the system)
2023-05-29 22:21:06,110 INFO failed to remove libpython-stdlib
2023-05-29 22:21:06,110 INFO checking for libpython-dbg (auto_inst=False)
2023-05-29 22:21:06,111 INFO checking for python-dbg (auto_inst=True)
2023-05-29 22:21:06,111 INFO checking for python-doc (auto_inst=True)
2023-05-29 22:21:06,111 INFO checking for python-minimal (auto_inst=True)
2023-05-29 22:21:06,111 INFO installing python-is-python2 because python-minimal was installed
2023-05-29 22:21:06,111 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
2023-05-29 22:21:06,141 INFO removing python-minimal because python-is-python2 is being installed
2023-05-29 22:21:06,141 DEBUG Removing 'python-minimal' (python-is-python2 is being installed on the system)
2023-05-29 22:21:06,141 INFO failed to remove python-minimal
2023-05-29 22:21:06,142 INFO checking for python-dev (auto_inst=True)
2023-05-29 22:21:06,142 INFO checking for libpython-dev (auto_inst=True)
2023-05-29 22:21:06,142 INFO checking for libpython-stdlib (auto_inst=True)
2023-05-29 22:21:06,142 INFO removing libpython-stdlib because None is being installed
2023-05-29 22:21:06,142 DEBUG Removing 'libpython-stdlib' (None is being installed on the system)
2023-05-29 22:21:06,142 INFO failed to remove libpython-stdlib
2023-05-29 22:21:06,142 INFO checking for libpython-dbg (auto_inst=True)
2023-05-29 22:27:33,918 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2023-05-29 22:27:33,948 DEBUG abort called
2023-05-29 22:27:33,949 DEBUG openCache()
2023-05-29 22:27:40,599 DEBUG Comparing 4.15.0-211 with 
2023-05-29 22:27:40,602 DEBUG Comparing 4.15.0-88 with 4.15.0-211
2023-05-29 22:27:41,443 DEBUG /openCache(), new cache size 115764

Please advise!

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Sec-Wizard avatar
fm flag
Sec-Wizard
Thank you for the advice, the above link partially helped me. But I took a different route and was successful! I have documented the entire process flow here : https://ubuntuforums.org/showthread.php?t=2487332&page=2&p=14146640#post14146640
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Score:0
karel avatar Ubuntu
sa flag
karel

The following answer from ubuntuforums.org answered this question.

After doing some research I got a few more articles on this issue and everywhere it was one or two package issues reported by user which was the culprit: e.g. python, gqrx-sdr, gnuradio, libomp5, pocl-opencl-icd, clang-6, etc.

https://ubuntuforums.org/showthread.php?t=2453051&page=2
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1875523
https://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg5920206.html

I reported this bug using the command ubuntu-bug ubuntu-release-upgrader-core in a terminal as mentioned in the error, and it launched a browser window with that issue: https://bugs.launchpad.net/ubuntu/+source/llvm-toolchain-9/+bug/1886748

Taking the idea from this and the above links, I read the 'main.log' file carefully and found that the following lines were giving a picture where the problem was due to which the upgrade was failing.

2023-05-29 22:21:06,111 INFO installing python-is-python2 because python-minimal was installed
2023-05-29 22:21:06,111 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system)
2023-05-29 22:21:06,141 INFO removing python-minimal because python-is-python2 is being installed
2023-05-29 22:21:06,141 DEBUG Removing 'python-minimal' (python-is-python2 is being installed on the system)
2023-05-29 22:21:06,141 INFO failed to remove python-minimal
2023-05-29 22:21:06,142 INFO checking for python-dev (auto_inst=True)
2023-05-29 22:21:06,142 INFO checking for libpython-dev (auto_inst=True)
2023-05-29 22:21:06,142 INFO checking for libpython-stdlib (auto_inst=True)
2023-05-29 22:21:06,142 INFO removing libpython-stdlib because None is being installed
2023-05-29 22:21:06,142 DEBUG Removing 'libpython-stdlib' (None is being installed on the system)
2023-05-29 22:21:06,142 INFO failed to remove libpython-stdlib
2023-05-29 22:21:06,142 INFO checking for libpython-dbg (auto_inst=True)
2023-05-29 22:27:33,918 ERROR Dist-upgrade failed

python-minimal and libpython-stdlib were broken in the 'apt.log'.

Broken libpython2-stdlib:amd64 Breaks on libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2)
Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2)

So I removed it:

apt remove python-minimal
apt clean
apt autoclean
apt autoremove

Then ran the upgrade again with do-release-upgrade -p and this time I didn't get an error related to broken packages.

'apt.log' contained:

Log time: 2023-06-11 15:20:52.293358
Log time: 2023-06-11 15:21:03.127909
Log time: 2023-06-11 15:21:45.739526

'main.log' contained:

2023-06-11 15:21:41,293 ERROR IOError/SystemError in cache.update(): 'E:Release file for http://security.ubuntu.com/ubuntu/dists/focal-security/InRelease is not valid yet (invalid for another 2h 29min 25s). Updates for this repository will not be applied., E:Release file for http://archive.ubuntu.com/ubuntu/dists/focal-updates/InRelease is not valid yet (invalid for another 2h 30min 53s). Updates for this repository will not be applied.'. Retrying (currentRetry: 2)
2023-06-11 15:21:41,293 ERROR doUpdate() failed completely
2023-06-11 15:21:41,294 DEBUG abort called

So I followed the link I got after putting bug report command in the terminal, and as advised I adjusted /etc/apt/sources.list file from bionic to focal.

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://ftp.agh.edu.pl/ubuntu/ focal main restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://ftp.agh.edu.pl/ubuntu/ focal multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
# deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
# deb-src http://security.ubuntu.com/ubuntu bionic-security universe
# deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
deb http://security.ubuntu.com/ubuntu/ focal-security multiverse restricted main
deb http://ftp.agh.edu.pl/ubuntu/ focal-updates multiverse restricted main

I ran the upgrade command again, but got a different message (not an error anymore) which was promising.

baps@Aspire-A515-51G:~$ sudo do-release-upgrade -p
[sudo] password for baps: 
Checking for a new Ubuntu release  
Please install all available updates for your release before upgrading.

From there I followed another article. I followed Solution2 in there.

In this case, run the following commands to upgrade the state cache.

apt clean 
apt autoclean

Then execute the following commands.

sudo apt update 
sudo apt upgrade -y # This installed/upgraded almost 1600 packages, so it took a while. I did a reboot.
sudo apt dist-upgrade # This installed another 250 packages.

My Ubuntu was now upgraded to 20.04! I didn't had to run the do-release-upgrade -p command anymore or install the 5.4 kernel. It was upgraded automatically with the above commands and the old 4.15 kernel was also removed.

baps@Aspire-A515-51G:~$ lsb_release -a
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 20.04 
LTSRelease:    20.04
Codename:    focal
+ 0
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