Public bug reported: system is unable to gather needed Information, downloads are working. In main.log I found some problem about python:
. . . 2020-10-29 12:04:12,851 INFO removing python-minimal because python-is-python2 is being installed 2020-10-29 12:04:12,851 DEBUG Removing 'python-minimal' (python-is-python2 is being installed on the system) 2020-10-29 12:04:12,851 INFO failed to remove python-minimal 2020-10-29 12:04:12,852 INFO checking for python-dev 2020-10-29 12:04:12,852 INFO checking for libpython-dev 2020-10-29 12:04:12,852 INFO checking for libpython-stdlib 2020-10-29 12:04:12,852 INFO removing libpython-stdlib because None is being installed 2020-10-29 12:04:12,852 DEBUG Removing 'libpython-stdlib' (None is being installed on the system) 2020-10-29 12:04:12,852 INFO failed to remove libpython-stdlib 2020-10-29 12:04:12,852 INFO checking for libpython-dbg 2020-10-29 12:40:44,140 ERROR Dist-upgrade failed: 'E:Fehler: Unterbrechungen durch pkgProblemResolver::Resolve hervorgerufen; dies könnte durch zurückgehaltene Pakete verursacht worden sein.' 2020-10-29 12:40:44,141 DEBUG abort called 2020-10-29 12:40:44,143 DEBUG openCache() 2020-10-29 12:40:47,859 DEBUG Comparing 5.3.0-62 with 2020-10-29 12:40:47,861 DEBUG Comparing 5.4.0-48 with 5.3.0-62 2020-10-29 12:40:47,861 DEBUG Comparing 5.4.0-51 with 5.4.0-48 2020-10-29 12:40:47,861 DEBUG Comparing 5.4.0-52 with 5.4.0-51 2020-10-29 12:40:48,182 DEBUG /openCache(), new cache size 100201 Thank you for your Help, J.K. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.40 ProcVersionSignature: Ubuntu 5.4.0-52.57~18.04.1-generic 5.4.65 Uname: Linux 5.4.0-52-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.18 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Thu Oct 29 12:51:07 2020 InstallationDate: Installed on 2019-04-11 (566 days ago) InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2020-10-29 (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/1902053 Title: dist upgrade from 18.04 to 20.04 crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1902053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs