Upgrading from 21.10 to 22.04 fails to upgrade snap core18

Bug #1961432 reported by Lex Ross
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-release-upgrader (Ubuntu)

Bug Description

While upgrading from 21.10 (Impish) to 22.04 (Jammy) an error message pops up:

Cannot upgrade core18

When upgrade is complete the "snap list" command produces the output which includes the following old packages:


I had to manually remove these packages in the order listed using "snap remove --purge <pkg_name>" command.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: ubuntu-release-upgrader-core 1:22.04.5
ProcVersionSignature: Ubuntu 5.15.0-18.18-generic 5.15.12
Uname: Linux 5.15.0-18-generic x86_64
ApportVersion: 2.20.11-0ubuntu77
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Fri Feb 18 11:16:58 2022
InstallationDate: Installed on 2021-10-21 (120 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to jammy on 2022-02-18 (0 days ago)

Revision history for this message
Lex Ross (lross) wrote :
Revision history for this message
Brian Murray (brian-murray) wrote :

The DistUpgradeQuirk might need updating for core20?

tags: added: rls-jj-incoming
tags: added: fr-2084
tags: removed: rls-jj-incoming
Changed in ubuntu-release-upgrader (Ubuntu Jammy):
importance: Undecided → High
Revision history for this message
Nick Rosbrook (enr0n) wrote :

Hi Lex,

I notice that the attached VarLogDistupgradeMainlog.txt file indicates:

2022-02-18 09:02:10,295 DEBUG refresh of snap core18 succeeded

I have been trying to reproduce the "Cannot upgrade core18" error message, but have not had any luck. Can you provide any additional information about the error message? Was this the exact wording?

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