Public bug reported:
2025-07-28T20:27:39.301975Z 1 [ERROR] [MY-014061] [InnoDB] Invalid MySQL
server downgrade: Cannot downgrade from 90300 to 80042. Downgrade is
only permitted between patch releases.
ProblemType: Package
DistroRelease: Ubuntu 24.04
Package: mysql-server-8.0 8.0.42-0ubuntu0.24.04.2
ProcVersionSignature: Ubuntu 6.14.0-24.24~24.04.3-generic 6.14.6
Uname: Linux 6.14.0-24-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
Date: Mon Jul 28 16:18:53 2025
ErrorMessage: installed mysql-server-8.0 package post-installation script
subprocess returned error exit status 1
InstallationDate: Installed on 2025-07-26 (3 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
Logs.var.log.daemon.log:
MySQLConf.etc.mysql.conf.d.mysql.cnf: [mysql]
MySQLConf.etc.mysql.conf.d.mysqldump.cnf:
[mysqldump]
quick
quote-names
max_allowed_packet = 16M
MySQLConf.etc.mysql.my.cnf: my.cnf links to /etc/mysql/mysql.cnf
MySQLVarLibDirListing: ['ibdata1', 'binlog.index', 'client-cert.pem',
'#ib_16384_0.dblwr', 'private_key.pem', 'ca.pem', 'public_key.pem', 'auto.cnf',
'debian-5.7.flag', 'server-key.pem', 'mysql.ibd', 'ibtmp1', 'stlouis',
'binlog.000003', '#innodb_redo', 'ib_buffer_pool', '#innodb_temp',
'ca-key.pem', 'mysql', 'undo_001', 'performance_schema',
'mysql_upgrade_history', 'sys', 'binlog.000002', 'server-cert.pem', 'undo_002',
'binlog.000001', '#ib_16384_1.dblwr', 'client-key.pem']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-6.14.0-24-generic
root=UUID=81edfc45-1a80-4179-9038-48dbfbb528cc ro quiet splash vt.handoff=7
Python3Details: /usr/bin/python3.12, Python 3.12.3, python3-minimal,
3.12.3-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
dpkg 1.22.6ubuntu6.1
apt 2.8.3
SourcePackage: mysql-8.0
Title: package mysql-server-8.0 8.0.42-0ubuntu0.24.04.2 failed to
install/upgrade: installed mysql-server-8.0 package post-installation script
subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mysql-8.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-package noble
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https://bugs.launchpad.net/bugs/2118943
Title:
package mysql-server-8.0 8.0.42-0ubuntu0.24.04.2 failed to
install/upgrade: installed mysql-server-8.0 package post-installation
script subprocess returned error exit status 1
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