[Bug 1490071] [NEW] package mysql-server-5.6 5.6.25-0ubuntu0.15.04.1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[David Rodríguez]

Public bug reported:

I installed MariaDB and then I tried to uninstall it but I couldn't
because it said that it won't downgrade to 5.6 from 10.0..

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: mysql-server-5.6 5.6.25-0ubuntu0.15.04.1
ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.3
Architecture: amd64
Date: Thu Aug 27 20:39:14 2015
DuplicateSignature: package:mysql-server-5.6:5.6.25-0ubuntu0.15.04.1:subprocess new pre-installation script returned error exit status 1
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationDate: Installed on 2015-08-24 (4 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
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.mysql.conf.d.mysqld.safe.syslog.cnf:
 [mysqld_safe]
 syslog
MySQLVarLibDirListing: ['ib_logfile0', 'ibdata1', 'auto.cnf', 'prueba', 'debian-5.6.flag', 'ib_logfile1', 'performance_schema', 'phpmyadmin', 'test', 'mysql']
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-3.19.0-26-generic root=UUID=174e17c5-ffbc-43ac-bb2b-35d77cd59538 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt  1.0.9.7ubuntu4.1
SourcePackage: mysql-5.6
Title: package mysql-server-5.6 5.6.25-0ubuntu0.15.04.1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: mysql-5.6 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apparmor apport-package vivid

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https://bugs.launchpad.net/bugs/1490071

Title:
  package mysql-server-5.6 5.6.25-0ubuntu0.15.04.1 failed to
  install/upgrade: subprocess new pre-installation script returned error
  exit status 1

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