Public bug reported:
It occurred while upgrading from Lubuntu 18.04.05 LTS to Lubuntu 20.04
LTS
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
This was likely caused by:
* Unofficial software packages not provided by Ubuntu
Please use the tool 'ppa-purge' from the ppa-purge
package to remove software from a Launchpad PPA and
try the upgrade again.
If none of this applies, then please report this bug using the command
'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to
investigate this yourself the log files in '/var/log/dist-upgrade' will
contain details about the upgrade. Specifically, look at 'main.log' and
'apt.log'.
I have only installed Steam, Pycharm Community, Python 3.8, Google
Chrome, and Zoom on this PC.
My specs:
Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz 1 physical processor; 2 threads; 2
cores
Intel Family G33/G31 graphics
RAM: 2028964KiB (2GB)
Ubuntu Distro Flavor: Lubuntu
Ubuntu Version: 18.04.05 LTS
I am a newb to Ubuntu. So please help me with a simple solution. I have
been waiting for this update for so long. ( I don't know how to use ppa-
purge and what it is )
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.40
ProcVersionSignature: Ubuntu 4.15.0-122.124-generic 4.15.18
Uname: Linux 4.15.0-122-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: LXDE
Date: Mon Nov 9 23:56:34 2020
InstallationDate: Installed on 2020-04-16 (207 days ago)
InstallationMedia: Lubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-09 (0 days ago)
VarLogDistupgradeTermlog:
mtime.conffile..etc.update-manager.release-upgrades:
2020-11-07T22:22:02.965298
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages
** Description changed:
It occurred while upgrading from Lubuntu 18.04.05 LTS to Lubuntu 20.04
LTS
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
- This was likely caused by:
- * Unofficial software packages not provided by Ubuntu
- Please use the tool 'ppa-purge' from the ppa-purge
- package to remove software from a Launchpad PPA and
+ This was likely caused by:
+ * Unofficial software packages not provided by Ubuntu
+ Please use the tool 'ppa-purge' from the ppa-purge
+ package to remove software from a Launchpad PPA and
try the upgrade again.
If none of this applies, then please report this bug using the command
'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to
investigate this yourself the log files in '/var/log/dist-upgrade' will
contain details about the upgrade. Specifically, look at 'main.log' and
'apt.log'.
I have only installed Steam, Pycharm Community, Python 3.8, Google
Chrome, and Zoom on this PC.
My specs:
Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz 1 physical processor; 2 threads;
2 cores
Intel Family G33/G31 graphics
RAM: 2028964KiB (2GB)
- Ubuntu Distro: Lubuntu
+ Ubuntu Distro Flavor: Lubuntu
Ubuntu Version: 18.04.05 LTS
-
- I am a newb to Ubuntu. So please help me with a simple solution. I have been
waiting for this update for so long. ( I don't know how to use ppa-purge and
what it is )
+ I am a newb to Ubuntu. So please help me with a simple solution. I have
+ been waiting for this update for so long. ( I don't know how to use ppa-
+ purge and what it is )
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.40
ProcVersionSignature: Ubuntu 4.15.0-122.124-generic 4.15.18
Uname: Linux 4.15.0-122-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: LXDE
Date: Mon Nov 9 23:56:34 2020
InstallationDate: Installed on 2020-04-16 (207 days ago)
InstallationMedia: Lubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-09 (0 days ago)
VarLogDistupgradeTermlog:
-
- mtime.conffile..etc.update-manager.release-upgrades:
2020-11-07T22:22:02.965298
+
+ mtime.conffile..etc.update-manager.release-upgrades:
+ 2020-11-07T22:22:02.965298
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https://bugs.launchpad.net/bugs/1903584
Title:
It says unresolvable problem occured while calculating the upgrade
(from ubuntu 18.04 to 20.04).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1903584/+subscriptions
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