-- Unit mariadb.service has begun starting up.
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] /usr/sbin/mysqld (mysqld 10.2.7-MariaDB-log) starting as process 38225 ...
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Uses event mutexes
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Compressed tables use zlib 1.2.7
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Using Linux native AIO
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Number of pools: 1
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Using SSE2 crc32 instructions
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Completed initialization of buffer pool
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140613367129856 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: Highest supported file format is Barracuda.
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [ERROR] InnoDB: The page [page id: space=0, page number=7] in file './ibdata1' cannot be decrypted.
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [Note] InnoDB: However key management plugin or used key_version 1 is not found or used encryption algorithm or method does not match.
Aug 16 12:01:38 myserver mysqld[38225]: 2017-08-16 12:01:38 140614129084544 [ERROR] [FATAL] InnoDB: Aborting because of a corrupt database page.
Aug 16 12:01:38 myserver mysqld[38225]: 170816 12:01:38 [ERROR] mysqld got signal 6 ;
Aug 16 12:01:38 myserver mysqld[38225]: This could be because you hit a bug. It is also possible that this binary
Aug 16 12:01:38 myserver mysqld[38225]: or one of the libraries it was linked against is corrupt, improperly built,
Aug 16 12:01:38 myserver mysqld[38225]: or misconfigured. This error can also be caused by malfunctioning hardware.
Aug 16 12:01:38 myserver mysqld[38225]: To report this bug, see https://mariadb.com/kb/en/reporting-bugs
Aug 16 12:01:38 myserver mysqld[38225]: We will try our best to scrape up some info that will hopefully help
Aug 16 12:01:38 myserver mysqld[38225]: diagnose the problem, but since we have already crashed,
Aug 16 12:01:38 myserver mysqld[38225]: something is definitely wrong and this may fail.
Aug 16 12:01:38 myserver mysqld[38225]: Server version: 10.2.7-MariaDB-log
Aug 16 12:01:38 myserver mysqld[38225]: key_buffer_size=134217728
Aug 16 12:01:38 myserver mysqld[38225]: read_buffer_size=131072
Aug 16 12:01:38 myserver mysqld[38225]: max_used_connections=0
Aug 16 12:01:38 myserver mysqld[38225]: max_threads=153
Aug 16 12:01:38 myserver mysqld[38225]: thread_count=0
Aug 16 12:01:38 myserver mysqld[38225]: It is possible that mysqld could use up to
Aug 16 12:01:38 myserver mysqld[38225]: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 937223 K  bytes of memory
Aug 16 12:01:38 myserver mysqld[38225]: Hope that's ok; if not, decrease some variables in the equation.
Aug 16 12:01:38 myserver mysqld[38225]: Thread pointer: 0x0
Aug 16 12:01:38 myserver mysqld[38225]: Attempting backtrace. You can use the following information to find out
Aug 16 12:01:38 myserver mysqld[38225]: where mysqld died. If you see no messages after this, something went
Aug 16 12:01:38 myserver mysqld[38225]: terribly wrong...
Aug 16 12:01:38 myserver mysqld[38225]: stack_bottom = 0x0 thread_stack 0x49000
Aug 16 12:01:38 myserver mysqld[38225]: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x7fe347fcf37e]
Aug 16 12:01:38 myserver mysqld[38225]: /usr/sbin/mysqld(handle_fatal_signal+0x30d)[0x7fe347a14fad]
Aug 16 12:01:38 myserver mysqld[38225]: /lib64/libpthread.so.0(+0xf370)[0x7fe346f83370]
Aug 16 12:01:38 myserver mysqld[38225]: /lib64/libc.so.6(gsignal+0x37)[0x7fe34550d1d7]
Aug 16 12:01:38 myserver mysqld[38225]: /lib64/libc.so.6(abort+0x148)[0x7fe34550e8c8]
Aug 16 12:01:38 myserver mysqld[38225]: /usr/sbin/mysqld(+0x9c14f3)[0x7fe347d734f3]
Aug 16 12:01:38 myserver mysqld[38225]: /usr/sbin/mysqld(+0xa04849)[0x7fe347db6849]
Aug 16 12:01:38 myserver mysqld[38225]: mysys/stacktrace.c:268(my_print_stacktrace)[0x7fe347de603a]
Aug 16 12:01:38 myserver mysqld[38225]: buf/buf0buf.cc:6006(buf_page_io_complete(buf_page_t*, bool))[0x7fe347db8619]
Aug 16 12:01:38 myserver mysqld[38225]: dict/dict0boot.cc:53(dict_boot())[0x7fe347ded1a2]
Aug 16 12:01:38 myserver mysqld[38225]: srv/srv0start.cc:2236(innobase_start_or_create_for_mysql())[0x7fe347d251bb]
Aug 16 12:01:38 myserver mysqld[38225]: /usr/sbin/mysqld(+0x840b11)[0x7fe347bf2b11]
Aug 16 12:01:38 myserver mysqld[38225]: handler/ha_innodb.cc:4432(innobase_init(void*))[0x7fe347a17254]
Aug 16 12:01:38 myserver mysqld[38225]: sql/handler.cc:512(ha_initialize_handlerton(st_plugin_int*))[0x7fe34789b6f0]
Aug 16 12:01:38 myserver mysqld[38225]: sql/sql_plugin.cc:1694(plugin_init(int*, char**, int))[0x7fe34789cf22]
Aug 16 12:01:38 myserver mysqld[38225]: sql/mysqld.cc:5253(init_server_components())[0x7fe3477f8ef8]
Aug 16 12:01:38 myserver mysqld[38225]: sql/mysqld.cc:5845(mysqld_main(int, char**))[0x7fe3477fd1f9]
Aug 16 12:01:38 myserver mysqld[38225]: /lib64/libc.so.6(__libc_start_main+0xf5)[0x7fe3454f9b35]
Aug 16 12:01:38 myserver mysqld[38225]: /usr/sbin/mysqld(+0x43fb9d)[0x7fe3477f1b9d]
Aug 16 12:01:38 myserver mysqld[38225]: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
Aug 16 12:01:38 myserver mysqld[38225]: information that should help you find out what is causing the crash.
Aug 16 12:01:38 myserver systemd[1]: mariadb.service: main process exited, code=killed, status=6/ABRT
Aug 16 12:01:38 myserver systemd[1]: Failed to start MariaDB database server.
-- Subject: Unit mariadb.service has failed