Public bug reported: I am guessing there is some circular dependency references by looking at the apt.log
Broken gdal-data:amd64 Breaks on libgdal20:amd64 < 2.2.3+dfsg-2 @ii mK > (< 2.5.0~) Considering libgdal20:amd64 -1 as a solution to gdal-data:amd64 1 Added libgdal20:amd64 to the remove list Fixing gdal-data:amd64 via remove of libgdal20:amd64 MarkDelete libgdal20:amd64 < 2.2.3+dfsg-2 @ii mK > FU=0 Investigating (1) postgresql-12-postgis-3:amd64 < 3.0.2+dfsg-2.pgdg18.04+1 @ii mK Ib > Broken postgresql-12-postgis-3:amd64 Depends on libgdal20:amd64 < 2.2.3+dfsg-2 @ii mR > (>= 2.0.1) Considering libgdal20:amd64 -1 as a solution to postgresql-12-postgis-3:amd64 0 Added libgdal20:amd64 to the remove list Fixing postgresql-12-postgis-3:amd64 via keep of libgdal20:amd64 MarkKeep libgdal20:amd64 < 2.2.3+dfsg-2 @ii mR > FU=0 Investigating (2) gdal-data:amd64 < 2.2.3+dfsg-2 -> 3.0.4+dfsg-1build3 @ii umU Ib > Broken gdal-data:amd64 Breaks on libgdal20:amd64 < 2.2.3+dfsg-2 @ii mK > (< 2.5.0~) Considering libgdal20:amd64 -1 as a solution to gdal-data:amd64 1 Added libgdal20:amd64 to the remove list Fixing gdal-data:amd64 via remove of libgdal20:amd64 MarkDelete libgdal20:amd64 < 2.2.3+dfsg-2 @ii mK > FU=0 Investigating (2) postgresql-12-postgis-3:amd64 < 3.0.2+dfsg-2.pgdg18.04+1 @ii mK Ib > Broken postgresql-12-postgis-3:amd64 Depends on libgdal20:amd64 < 2.2.3+dfsg-2 @ii mR > (>= 2.0.1) Considering libgdal20:amd64 1 as a solution to postgresql-12-postgis-3:amd64 0 Removing postgresql-12-postgis-3:amd64 rather than change libgdal20:amd64 MarkDelete postgresql-12-postgis-3:amd64 < 3.0.2+dfsg-2.pgdg18.04+1 @ii mK Ib > FU=0 Investigating (2) postgresql-12-pgrouting:amd64 < 3.0.2-1.pgdg18.04+1 @ii mK Ib > Broken postgresql-12-pgrouting:amd64 Depends on postgresql-12-postgis:amd64 < none @un H > Considering postgresql-12-postgis-3:amd64 1 as a solution to postgresql-12-pgrouting:amd64 -2 Removing postgresql-12-pgrouting:amd64 rather than change postgresql-12-postgis:amd64 MarkDelete postgresql-12-pgrouting:amd64 < 3.0.2-1.pgdg18.04+1 @ii mK Ib > FU=0 Investigating (2) postgis:amd64 < 3.0.2+dfsg-2.pgdg18.04+1 @ii mK Ib > Broken postgis:amd64 Depends on libgdal20:amd64 < 2.2.3+dfsg-2 @ii mR > (>= 2.0.1) Considering libgdal20:amd64 1 as a solution to postgis:amd64 -2 Removing postgis:amd64 rather than change libgdal20:amd64 MarkDelete postgis:amd64 < 3.0.2+dfsg-2.pgdg18.04+1 @ii mK Ib > FU=0 Done Log time: 2020-09-15 02:27:23.395710 lsb_release -rd Description: Ubuntu 18.04.5 LTS Release: 18.04 ========================================= apt-cache policy Package files: 100 /var/lib/dpkg/status release a=now 500 http://ppa.launchpad.net/vbernat/haproxy-2.1/ubuntu bionic/main amd64 Packages release v=18.04,o=LP-PPA-vbernat-haproxy-2.1,a=bionic,n=bionic,l=HAProxy 2.1,c=main,b=amd64 origin ppa.launchpad.net 500 http://apt.postgresql.org/pub/repos/apt bionic-pgdg/main amd64 Packages release o=apt.postgresql.org,a=bionic-pgdg,n=bionic-pgdg,l=PostgreSQL for Debian/Ubuntu repository,c=main,b=amd64 origin apt.postgresql.org 500 http://us.archive.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages release v=18.04,o=Ubuntu,a=bionic-security,n=bionic,l=Ubuntu,c=multiverse,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-security/universe amd64 Packages release v=18.04,o=Ubuntu,a=bionic-security,n=bionic,l=Ubuntu,c=universe,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-security/restricted amd64 Packages release v=18.04,o=Ubuntu,a=bionic-security,n=bionic,l=Ubuntu,c=restricted,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-security/main amd64 Packages release v=18.04,o=Ubuntu,a=bionic-security,n=bionic,l=Ubuntu,c=main,b=amd64 origin us.archive.ubuntu.com 100 http://us.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 Packages release v=18.04,o=Ubuntu,a=bionic-backports,n=bionic,l=Ubuntu,c=universe,b=amd64 origin us.archive.ubuntu.com 100 http://us.archive.ubuntu.com/ubuntu bionic-backports/main amd64 Packages release v=18.04,o=Ubuntu,a=bionic-backports,n=bionic,l=Ubuntu,c=main,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 Packages release v=18.04,o=Ubuntu,a=bionic-updates,n=bionic,l=Ubuntu,c=multiverse,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages release v=18.04,o=Ubuntu,a=bionic-updates,n=bionic,l=Ubuntu,c=universe,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages release v=18.04,o=Ubuntu,a=bionic-updates,n=bionic,l=Ubuntu,c=restricted,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages release v=18.04,o=Ubuntu,a=bionic-updates,n=bionic,l=Ubuntu,c=main,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic/multiverse amd64 Packages release v=18.04,o=Ubuntu,a=bionic,n=bionic,l=Ubuntu,c=multiverse,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages release v=18.04,o=Ubuntu,a=bionic,n=bionic,l=Ubuntu,c=universe,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic/restricted amd64 Packages release v=18.04,o=Ubuntu,a=bionic,n=bionic,l=Ubuntu,c=restricted,b=amd64 origin us.archive.ubuntu.com 500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages release v=18.04,o=Ubuntu,a=bionic,n=bionic,l=Ubuntu,c=main,b=amd64 origin us.archive.ubuntu.com Pinned packages: ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.38 ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 Uname: Linux 4.15.0-117-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 CrashDB: ubuntu Date: Tue Sep 15 02:35:38 2020 InstallationDate: Installed on 2020-03-09 (189 days ago) InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2020-09-15 (0 days ago) ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade uec-images -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1895626 Title: Trying to upgrade to 20.04, but seems to get hung up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1895626/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs