:23 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
190117 20:35:23 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
190117 20:35:23 [Note] InnoDB: Compressed tables use zlib 1.2.3
190117 20:35:23 [Note] InnoDB: Using Linux native AIO
190117 20:35:23 [Note] InnoDB: Not using CPU crc32 instructions
190117 20:35:23 [Note] InnoDB: Initializing buffer pool, size = 128.0M
190117 20:35:23 [Note] InnoDB: Completed initialization of buffer pool
190117 20:35:23 [ERROR] InnoDB: ./ibdata1 can't be opened in read-write mode
190117 20:35:23 [ERROR] InnoDB: The system tablespace must be writable!
190117 20:35:23 [ERROR] Plugin 'InnoDB' init function returned error.
190117 20:35:23 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
190117 20:35:23 [Note] Plugin 'FEEDBACK' is disabled.
190117 20:35:23 [ERROR] Unknown/unsupported storage engine: InnoDB
190117 20:35:23 [ERROR] Aborting

190117 20:35:23 [Note] /home/pi/mysql56/usr/local/mysql/bin/mysqld: Shutdown complete