Public bug reported: I paste here content of /var/log/dist-upgrade/main.log. I also attach the file var/log/dist-upgrade/apt.log
2020-11-28 23:49:36,331 INFO Using config files '['./DistUpgrade.cfg.bionic']' 2020-11-28 23:49:36,331 INFO uname information: 'Linux marroni-Lenovo-G50-70 4.15.0-124-generic #127-Ubuntu SMP Fri Nov 6 10:54:43 UTC 2020 x86_64' 2020-11-28 23:49:36,745 INFO apt version: '1.6.12ubuntu0.1' 2020-11-28 23:49:36,746 INFO python version: '3.6.9 (default, Oct 8 2020, 12:12:24) [GCC 8.4.0]' 2020-11-28 23:49:36,749 INFO release-upgrader version '20.04.29' started 2020-11-28 23:49:36,802 INFO locale: 'en_US' 'UTF-8' 2020-11-28 23:49:36,961 DEBUG Using 'DistUpgradeViewGtk3' view 2020-11-28 23:49:37,008 DEBUG enable dpkg --force-overwrite 2020-11-28 23:49:37,026 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz' 2020-11-28 23:49:40,248 DEBUG lsb-release: 'bionic' 2020-11-28 23:49:40,248 DEBUG _pythonSymlinkCheck run 2020-11-28 23:49:40,249 DEBUG openCache() 2020-11-28 23:49:40,249 DEBUG quirks: running PreCacheOpen 2020-11-28 23:49:40,249 DEBUG running Quirks.PreCacheOpen 2020-11-28 23:49:41,230 DEBUG Comparing 4.15.0-122 with 2020-11-28 23:49:41,230 DEBUG Comparing 4.15.0-123 with 4.15.0-122 2020-11-28 23:49:41,230 DEBUG Comparing 4.15.0-124 with 4.15.0-123 2020-11-28 23:49:41,465 DEBUG /openCache(), new cache size 100981 2020-11-28 23:49:41,465 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop') 2020-11-28 23:49:41,466 DEBUG checkViewDepends() 2020-11-28 23:49:41,467 DEBUG running doUpdate() (showErrors=False) 2020-11-28 23:49:44,692 DEBUG openCache() 2020-11-28 23:49:46,008 DEBUG Comparing 4.15.0-122 with 2020-11-28 23:49:46,009 DEBUG Comparing 4.15.0-123 with 4.15.0-122 2020-11-28 23:49:46,009 DEBUG Comparing 4.15.0-124 with 4.15.0-123 2020-11-28 23:49:46,272 DEBUG /openCache(), new cache size 100981 2020-11-28 23:49:46,272 DEBUG doPostInitialUpdate 2020-11-28 23:49:46,272 DEBUG quirks: running focalPostInitialUpdate 2020-11-28 23:49:46,272 DEBUG running Quirks.focalPostInitialUpdate 2020-11-28 23:49:48,631 DEBUG Snap core18 is installed 2020-11-28 23:49:48,777 DEBUG Snap gnome-3-34-1804 is installed 2020-11-28 23:49:48,777 DEBUG Snap gnome-3-34-1804 is not tracking the release channel 2020-11-28 23:49:48,992 DEBUG Snap gtk-common-themes is installed 2020-11-28 23:49:49,309 DEBUG Snap gnome-3-28-1804 is installed 2020-11-28 23:49:49,309 DEBUG Snap gnome-3-28-1804 is not tracking the release channel 2020-11-28 23:49:49,467 DEBUG Snap gnome-calculator is installed 2020-11-28 23:49:49,806 DEBUG Snap gnome-characters is installed 2020-11-28 23:49:49,959 DEBUG Snap gnome-logs is installed 2020-11-28 23:49:52,494 DEBUG MetaPkgs: ubuntu-desktop 2020-11-28 23:49:55,478 DEBUG Foreign: 2020-11-28 23:49:55,478 DEBUG Obsolete: cnijfilter2 libgstreamer-plugins-base0.10-0 libgstreamer0.10-0 libpng12-0 libsane rstudio scangearmp2 skype:i386 skypeforlinux teams 2020-11-28 23:49:55,479 DEBUG updateSourcesList() 2020-11-28 23:49:55,485 DEBUG rewriteSourcesList() with mirror_check 2020-11-28 23:49:55,486 DEBUG ['ubuntu-minimal', 'ubuntu-standard'] 2020-11-28 23:49:55,486 DEBUG Checking pkg: ubuntu-minimal 2020-11-28 23:49:55,486 DEBUG Checking pkg: ubuntu-standard 2020-11-28 23:49:55,487 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic main restricted' 2020-11-28 23:49:55,487 DEBUG verifySourcesListEntry: deb http://it.archive.ubuntu.com/ubuntu/ focal main restricted 2020-11-28 23:49:55,487 DEBUG url_downloadable: http://it.archive.ubuntu.com/ubuntu//dists/focal/Release 2020-11-28 23:49:55,487 DEBUG s='http' n='it.archive.ubuntu.com' p='/ubuntu//dists/focal/Release' q='' f='' 2020-11-28 23:49:55,555 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal main restricted' updated to new dist 2020-11-28 23:49:55,555 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-updates main restricted' 2020-11-28 23:49:55,555 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-updates main restricted' updated to new dist 2020-11-28 23:49:55,555 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic universe' 2020-11-28 23:49:55,555 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal universe' updated to new dist 2020-11-28 23:49:55,555 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-updates universe' 2020-11-28 23:49:55,555 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-updates universe' updated to new dist 2020-11-28 23:49:55,555 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic multiverse' 2020-11-28 23:49:55,555 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal multiverse' updated to new dist 2020-11-28 23:49:55,555 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-updates multiverse' 2020-11-28 23:49:55,555 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-updates multiverse' updated to new dist 2020-11-28 23:49:55,556 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse' 2020-11-28 23:49:55,556 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse' updated to new dist 2020-11-28 23:49:55,556 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-security main restricted' 2020-11-28 23:49:55,556 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-security main restricted' updated to new dist 2020-11-28 23:49:55,556 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-security universe' 2020-11-28 23:49:55,556 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-security universe' updated to new dist 2020-11-28 23:49:55,556 DEBUG examining: 'deb http://it.archive.ubuntu.com/ubuntu/ bionic-security multiverse' 2020-11-28 23:49:55,556 DEBUG entry 'deb http://it.archive.ubuntu.com/ubuntu/ focal-security multiverse' updated to new dist 2020-11-28 23:49:55,556 DEBUG examining: 'deb http://archive.canonical.com/ubuntu trusty partner' 2020-11-28 23:49:55,556 DEBUG entry '# deb http://archive.canonical.com/ubuntu trusty partner' was disabled (unknown dist) 2020-11-28 23:49:55,556 DEBUG examining: 'deb-src http://archive.canonical.com/ubuntu trusty partner' 2020-11-28 23:49:58,908 DEBUG running doUpdate() (showErrors=True) 2020-11-28 23:50:13,768 DEBUG openCache() 2020-11-28 23:50:14,487 DEBUG Comparing 4.15.0-122 with 2020-11-28 23:50:14,487 DEBUG Comparing 4.15.0-123 with 4.15.0-122 2020-11-28 23:50:14,488 DEBUG Comparing 4.15.0-124 with 4.15.0-123 2020-11-28 23:50:14,647 DEBUG /openCache(), new cache size 67267 2020-11-28 23:50:14,648 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop') 2020-11-28 23:50:14,648 DEBUG quirks: running PreDistUpgradeCache 2020-11-28 23:50:14,648 DEBUG running Quirks.PreDistUpgradeCache 2020-11-28 23:50:14,648 INFO checking for python-dbg 2020-11-28 23:50:14,648 INFO checking for python-doc 2020-11-28 23:50:14,648 INFO checking for python-minimal 2020-11-28 23:50:14,649 INFO checking for python-dev 2020-11-28 23:50:14,649 INFO checking for libpython-dev 2020-11-28 23:50:14,649 INFO checking for libpython-stdlib 2020-11-28 23:50:14,649 INFO checking for libpython-dbg 2020-11-28 23:50:16,574 DEBUG Installing 'xserver-xorg-video-all' (Distro KeepInstalledPkgs rule) 2020-11-28 23:56:57,742 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.' 2020-11-28 23:56:57,747 DEBUG abort called 2020-11-28 23:56:57,749 DEBUG openCache() 2020-11-28 23:57:00,727 DEBUG Comparing 4.15.0-122 with 2020-11-28 23:57:00,727 DEBUG Comparing 4.15.0-123 with 4.15.0-122 2020-11-28 23:57:00,727 DEBUG Comparing 4.15.0-124 with 4.15.0-123 2020-11-28 23:57:00,985 DEBUG /openCache(), new cache size 100981 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.40 ProcVersionSignature: Ubuntu 4.15.0-124.127-generic 4.15.18 Uname: Linux 4.15.0-124-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.20 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Sat Nov 28 23:56:02 2020 InstallationDate: Installed on 2016-03-12 (1722 days ago) InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2020-11-28 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages ** Attachment added: "apt.log" https://bugs.launchpad.net/bugs/1906127/+attachment/5439155/+files/apt.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906127 Title: Upgrade to Ubuntu 20.04.1 crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1906127/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
