Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
Removed other PPAs in "Other Software" in Software & Updates
How do I find out which package I need to remove?
From main.log
2019-11-10 11:28:25,855 DEBUG entry 'deb http://
2019-11-10 11:28:25,855 DEBUG examining: 'deb http://
2019-11-10 11:28:25,855 DEBUG entry 'deb http://
2019-11-10 11:28:25,858 DEBUG running doUpdate() (showErrors=True)
2019-11-10 11:28:51,559 DEBUG openCache()
2019-11-10 11:28:52,174 DEBUG /openCache(), new cache size 95639
2019-11-10 11:28:52,174 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop')
2019-11-10 11:29:02,759 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResol
2019-11-10 11:29:02,761 DEBUG abort called
2019-11-10 11:29:02,763 DEBUG openCache()
2019-11-10 11:29:05,143 DEBUG /openCache(), new cache size 94778
From apt.log
Broken snmp:amd64 Depends on libsnmp30:amd64 < 5.7.3+dfsg-
Considering libsnmp30:amd64 13 as a solution to snmp:amd64 1
MarkKeep snmp:amd64 < 5.7.3+dfsg-
Holding Back snmp:amd64 rather than change libsnmp30:amd64
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-
ProcVersionSign
Uname: Linux 5.0.0-32-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 10 11:08:54 2019
InstallationDate: Installed on 2019-05-26 (168 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitec
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
XDG_RUNTIME_
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to bionic on 2019-11-10 (0 days ago)
VarLogDistupgra
mtime.conffile.
I had the same problem. I carefully pruned away all PPAs and the software installed from them. I did this by using software- properties- gtk and disabling all the repositories in 'Other Software' and then using aptitude to delete all packages in 'Obsolete or Local Packages'. However, this did not help.
While digging around in /var/log/ dist-upgrade/ apt.log (or was it main.log?), I saw that there were some packages that were identified as 'meta packages' and there were dependency resolution issues with some of these. These were: unity-desktop gnome-desktop budgie- desktop unity-desktop, I think), upgraded and then re-installed them.
xubuntu-desktop
ubuntu-
ubuntu-
kubuntu-desktop
ubuntu-
ubuntu-mate-desktop
lubuntu-desktop
Since I only need 1 of these to have a working system after the upgrade, I deleted them (except kubuntu-desktop and ubuntu-