Error:
130430 21:43:51 InnoDB: Using Linux native AIO
130430 21:43:51 InnoDB: Warning: io_setup() failed with EAGAIN. Will make 5 attempts before giving up.
InnoDB: Warning: io_setup() attempt 1 failed.
InnoDB: Warning: io_setup() attempt 2 failed.
InnoDB: Warning: io_setup() attempt 3 failed.
InnoDB: Warning: io_setup() attempt 4 failed.
InnoDB: Warning: io_setup() attempt 5 failed.
130430 21:43:53 InnoDB: Error: io_setup() failed with EAGAIN after 5 attempts.
InnoDB: You can disable Linux Native AIO by setting innodb_use_native_aio = 0 in my.cnf
130430 21:43:53 InnoDB: Fatal error: cannot initialize AIO sub-system
130430 21:43:53 [ERROR] Plugin 'InnoDB' init function returned error.
130430 21:43:53 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
The fix:
nano /etc/my.cnf and add innodb_use_native_aio = 0
