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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.6/+bug/1490071/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs