Public bug reported: here are the last bits of main.log
2021-01-28 16:19:57,078 DEBUG Obsolete: cuda-command-line-tools-10-2 cuda-compiler-10-2 cuda-cudart-10-2 cuda-cudart-dev-10-2 cuda-cufft-10-2 cuda-cufft-dev-10-2 cuda-cuobjdump-10-2 cuda-cupti-10-2 cuda-cupti-dev-10-2 cuda-curand-10-2 cuda-curand-dev-10-2 cuda-cusolver-10-2 cuda-cusolver-dev-10-2 cuda-cusparse-10-2 cuda-cusparse-dev-10-2 cuda-documentation-10-2 cuda-driver-dev-10-2 cuda-gdb-10-2 cuda-libraries-10-2 cuda-libraries-dev-10-2 cuda-license-10-2 cuda-memcheck-10-2 cuda-misc-headers-10-2 cuda-npp-10-2 cuda-npp-dev-10-2 cuda-nsight-10-2 cuda-nsight-compute-10-2 cuda-nsight-systems-10-2 cuda-nvcc-10-2 cuda-nvdisasm-10-2 cuda-nvgraph-10-2 cuda-nvgraph-dev-10-2 cuda-nvjpeg-10-2 cuda-nvjpeg-dev-10-2 cuda-nvml-dev-10-2 cuda-nvprof-10-2 cuda-nvprune-10-2 cuda-nvrtc-10-2 cuda-nvrtc-dev-10-2 cuda-nvtx-10-2 cuda-nvvp-10-2 cuda-repo-ubuntu1804-10-2-local-10.2.89-440.33.01 cuda-samples-10-2 cuda-sanitizer-api-10-2 cuda-toolkit-10-2 cuda-tools-10-2 cuda-visual-tools-10-2 libcublas-dev libcublas10 lur-command nsight-compute-2019.5.0 nsight-systems-2019.5.2 piper sublime-text zoneminder zoneminder-doc 2021-01-28 16:19:57,079 DEBUG updateSourcesList() 2021-01-28 16:19:57,088 DEBUG rewriteSourcesList() with mirror_check 2021-01-28 16:19:57,089 DEBUG ['ubuntu-minimal', 'ubuntu-standard'] 2021-01-28 16:19:57,089 DEBUG Checking pkg: ubuntu-minimal 2021-01-28 16:19:57,090 DEBUG Checking pkg: ubuntu-standard 2021-01-28 16:19:57,092 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted' 2021-01-28 16:19:57,092 DEBUG verifySourcesListEntry: deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted 2021-01-28 16:19:57,092 DEBUG url_downloadable: http://us.archive.ubuntu.com/ubuntu//dists/focal/Release 2021-01-28 16:19:57,092 DEBUG s='http' n='us.archive.ubuntu.com' p='/ubuntu//dists/focal/Release' q='' f='' 2021-01-28 16:19:57,114 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal main restricted' updated to new dist 2021-01-28 16:19:57,114 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted' 2021-01-28 16:19:57,114 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates main restricted' updated to new dist 2021-01-28 16:19:57,114 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic universe' 2021-01-28 16:19:57,114 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal universe' updated to new dist 2021-01-28 16:19:57,114 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe' 2021-01-28 16:19:57,114 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates universe' updated to new dist 2021-01-28 16:19:57,114 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse' 2021-01-28 16:19:57,115 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal multiverse' updated to new dist 2021-01-28 16:19:57,115 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse' 2021-01-28 16:19:57,115 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-updates multiverse' updated to new dist 2021-01-28 16:19:57,115 DEBUG examining: 'deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse' 2021-01-28 16:19:57,115 DEBUG entry 'deb http://us.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse' updated to new dist 2021-01-28 16:19:57,115 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security main restricted' 2021-01-28 16:19:57,115 DEBUG verifySourcesListEntry: deb http://security.ubuntu.com/ubuntu focal main restricted 2021-01-28 16:19:57,115 DEBUG url_downloadable: http://security.ubuntu.com/ubuntu/dists/focal/Release 2021-01-28 16:19:57,115 DEBUG s='http' n='security.ubuntu.com' p='/ubuntu/dists/focal/Release' q='' f='' 2021-01-28 16:19:57,134 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security main restricted' updated to new dist 2021-01-28 16:19:57,134 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security universe' 2021-01-28 16:19:57,134 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security universe' updated to new dist 2021-01-28 16:19:57,134 DEBUG examining: 'deb http://security.ubuntu.com/ubuntu bionic-security multiverse' 2021-01-28 16:19:57,135 DEBUG entry 'deb http://security.ubuntu.com/ubuntu focal-security multiverse' updated to new dist 2021-01-28 16:19:57,138 DEBUG running doUpdate() (showErrors=True) 2021-01-28 16:20:11,116 DEBUG openCache() 2021-01-28 16:20:12,073 DEBUG Comparing 5.4.0-54 with 2021-01-28 16:20:12,074 DEBUG Comparing 5.4.0-58 with 5.4.0-54 2021-01-28 16:20:12,074 DEBUG Comparing 5.4.0-64 with 5.4.0-58 2021-01-28 16:20:12,332 DEBUG /openCache(), new cache size 67657 2021-01-28 16:20:12,332 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop') 2021-01-28 16:20:12,333 DEBUG quirks: running PreDistUpgradeCache 2021-01-28 16:20:12,333 DEBUG running Quirks.PreDistUpgradeCache 2021-01-28 16:20:12,333 INFO checking for python-dbg 2021-01-28 16:20:12,333 INFO checking for python-doc 2021-01-28 16:20:12,333 INFO checking for python-minimal 2021-01-28 16:20:12,333 INFO installing python-is-python2 because python-minimal was installed 2021-01-28 16:20:12,333 DEBUG Installing 'python-is-python2' (python-minimal was installed on the system) 2021-01-28 16:23:12,303 ERROR Dist-upgrade failed: 'E:Unable to correct problems, you have held broken packages.' 2021-01-28 16:23:12,306 DEBUG abort called 2021-01-28 16:23:12,307 DEBUG openCache() 2021-01-28 16:23:15,917 DEBUG Comparing 5.4.0-54 with 2021-01-28 16:23:15,917 DEBUG Comparing 5.4.0-58 with 5.4.0-54 2021-01-28 16:23:15,917 DEBUG Comparing 5.4.0-64 with 5.4.0-58 2021-01-28 16:23:16,329 DEBUG /openCache(), new cache size 101660 and here is apt.log Log time: 2021-01-28 16:19:45.851060 Log time: 2021-01-28 16:20:12.314792 MarkInstall python-is-python2:amd64 < none -> 2.7.17-4 @un uN Ib > FU=1 Installing python2 as Depends of python-is-python2 MarkInstall python2:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0 Installing python2-minimal as PreDepends of python2 MarkInstall python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0 Removing: python-minimal MarkDelete python-minimal:amd64 < 2.7.15~rc1-1 @ii mK > FU=0 Installing libpython2-stdlib as Depends of python2 MarkInstall libpython2-stdlib:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0 Removing: libpython-stdlib MarkDelete libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii mK > FU=0 Removing: python MarkDelete python:amd64 < 2.7.15~rc1-1 @ii mK Ib > FU=0 Starting pkgProblemResolver with broken count: 1 Starting 2 pkgProblemResolver with broken count: 1 Investigating (0) nodejs:amd64 < 14.15.4-1nodesource1 @ii mK Ib > Broken nodejs:amd64 Depends on python-minimal:amd64 < 2.7.15~rc1-1 @ii gR > Considering python-minimal:amd64 1 as a solution to nodejs:amd64 82 Added python-minimal:amd64 to the remove list Fixing nodejs:amd64 via keep of python-minimal:amd64 MarkKeep python-minimal:amd64 < 2.7.15~rc1-1 @ii gR > FU=0 Investigating (0) python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2) Considering python-minimal:amd64 1 as a solution to python2-minimal:amd64 1 MarkKeep python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0 Holding Back python2-minimal:amd64 rather than change python-minimal:amd64 Investigating (1) python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > Broken python2:amd64 PreDepends on python2-minimal:amd64 < none | 2.7.17-2ubuntu4 @un umH > (= 2.7.17-2ubuntu4) Considering python2-minimal:amd64 1 as a solution to python2:amd64 1 MarkKeep python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0 Holding Back python2:amd64 rather than change python2-minimal:amd64 Investigating (2) python-is-python2:amd64 < none -> 2.7.17-4 @un pumN Ib > Broken python-is-python2:amd64 Depends on python2:amd64 < none | 2.7.17-2ubuntu4 @un umH > Considering python2:amd64 1 as a solution to python-is-python2:amd64 9999 Re-Instated python2-minimal:amd64 Re-Instated python2:amd64 Investigating (2) python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > (< 2.7.15-2) Considering python-minimal:amd64 1 as a solution to python2-minimal:amd64 1 MarkKeep python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0 Holding Back python2-minimal:amd64 rather than change python-minimal:amd64 Investigating (3) python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > Broken python2:amd64 PreDepends on python2-minimal:amd64 < none | 2.7.17-2ubuntu4 @un umH > (= 2.7.17-2ubuntu4) Considering python2-minimal:amd64 1 as a solution to python2:amd64 1 MarkKeep python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0 Holding Back python2:amd64 rather than change python2-minimal:amd64 Investigating (4) python-is-python2:amd64 < none -> 2.7.17-4 @un pumN Ib > Broken python-is-python2:amd64 Depends on python2:amd64 < none | 2.7.17-2ubuntu4 @un umH > Considering python2:amd64 1 as a solution to python-is-python2:amd64 9999 Done Log time: 2021-01-28 16:23:16.315041 So I had python2 on this machine but it is choking the upgrade. I do have python2 on this system: $ python2 -V Python 2.7.17 but it seems unremovable: sudo apt remove python2 --simulate Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package python2 Please advise. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.42 ProcVersionSignature: Ubuntu 5.4.0-64.72~18.04.1-generic 5.4.78 Uname: Linux 5.4.0-64-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.21 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Thu Jan 28 16:22:47 2021 InstallationDate: Installed on 2020-03-18 (316 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2021-01-28 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade 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/1913643 Title: cannot upgrade ubuntu 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1913643/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
