do-release-upgrade fails to calculate upgrade due to ubuntu-toolchain PPA
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
Expired
|
High
|
Unassigned |
Bug Description
Get:66 http://
Get:67 http://
Fetched 76.8 MB in 6s (1,564 kB/s)
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AppStream cache update completed, but some metadata was ignored due to errors.
Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating the changes
Calculating the changes
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-
ProcVersionSign
Uname: Linux 4.4.0-45-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Wed Jul 25 13:53:15 2018
InstallationDate: Installed on 2016-10-24 (638 days ago)
InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.3)
PackageArchitec
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to xenial on 2018-07-25 (0 days ago)
tags: | added: xenial2bionic |
You have quite a few PPAs enabled and they can cause release upgrades to fail as they may provide package versions which are greater than those in the Ubuntu archive. One PPA which stands out to me is the ubuntu-toolchain PPA - you can try disabling it and removing its packages using the tool 'ppa-purge' from the package of the same name. After that please try the upgrade again.