160826 14:07:30 mysqld_safe Number of processes running now: 0 160826 14:07:30 mysqld_safe mysqld restarted 160826 14:07:30 [Warning] Using unique option prefix key_buffer instead of key_buffer_size is deprecated and will be removed in a future release. Please use the full name instead. 160826 14:07:30 [Note] /usr/sbin/mysqld (mysqld 5.5.50) starting as process 24167 ... 160826 14:07:30 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead. 160826 14:07:30 [Note] Plugin 'FEDERATED' is disabled. 160826 14:07:30 InnoDB: The InnoDB memory heap is disabled 160826 14:07:30 InnoDB: Mutexes and rw_locks use GCC atomic builtins 160826 14:07:30 InnoDB: Compressed tables use zlib 1.2.8 160826 14:07:30 InnoDB: Using Linux native AIO 160826 14:07:30 InnoDB: Initializing buffer pool, size = 128.0M InnoDB: mmap(137363456 bytes) failed; errno 12 160826 14:07:30 InnoDB: Completed initialization of buffer pool 160826 14:07:30 InnoDB: Fatal error: cannot allocate memory for the buffer pool 160826 14:07:30 [ERROR] Plugin 'InnoDB' init function returned error. 160826 14:07:30 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 160826 14:07:30 [ERROR] Unknown/unsupported storage engine: InnoDB 160826 14:07:30 [ERROR] Aborting 160826 14:07:30 [Note] /usr/sbin/mysqld: Shutdown complete 160826 14:07:30 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended 160826 14:07:47 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
If you have something like this, add this entry innodb_use_sys_malloc = 0 into the my.cnf and restarted the MySQL.