Getting these bad boy errors on your mysql on OSX, there seems to be lots of solutions about how to fix this, Google hell, this more than likely happens if mysql is running and the OS is updated like from OSX Mountain Lion to Mavericks.
130319 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 130319 [Warning] '--skip-locking' is deprecated and will be removed in a future release. 130319 [Warning] '--log' is deprecated and will be removed in a future release. ^G/usr/sbin/mysqld: Can't find file: './mysql/plugin.frm' (errno: 13) 130319 [ERROR] Can't open the mysql.plugin table. 130319 Inno DB: Initializing buffer pool, size = 8.0M 130319 Inno DB: Completed initialization of buffer pool 130319 Inno DB: Operating system error number 13 in a file operation.
Inno DB: If that is the case, please refer to Inno DB: [ERROR] Plugin ‘Inno DB’ init function returned error.
110621 [ERROR] Plugin ‘Inno DB’ registration as a STORAGE ENGINE failed.
This error log may be under your system’s log directory (/var/log/mysql) or under the mysql data folder (usually /usr/local/mysql/data). In my case the error log listed the following items: Inno DB: No valid checkpoint found.
Inno DB: If this error appears when you are creating an Inno DB database, Inno DB: the problem may be that during an earlier attempt you managed Inno DB: to create the Inno DB data files, but log file creation failed.