Ok, I made it work. From /var/log/mysql/error.log: 2015-04-08 11:37:13 1441 [ERROR] /usr/sbin/mysqld: unknown variable 'log_slow_queries=/var/log/mysql/mysql-slow.log' 2015-04-08 11:37:13 1441 [ERROR] Aborting
2015-04-08 11:37:13 1441 [Note] Binlog end After commenting out this line, it works: $> cat /etc/mysql/my.cnf|grep log_slow #log_slow_queries = /var/log/mysql/mysql-slow.log -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to mysql-5.6 in Ubuntu. https://bugs.launchpad.net/bugs/1435709 Title: mysql.service fail to start after upgrade to mysql-server.5.6 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.6/+bug/1435709/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs