Комп никогда сам не выключается. Стоп джоб для mysqld никогда не заканчивается (ради интереса оставил на 20 минут). Не может очистить буфер. Арч с lamp самый свежий:
extra/mariadb 10.3.13-4 [installed]
Fast SQL database server, derived from MySQL
extra/mariadb-clients 10.3.13-4 [installed]
MariaDB client tools
extra/mariadb-libs 10.3.13-4 [installed]
MariaDB librariesMar 24 02:42:25 fehhner systemd[1]: Stopping MariaDB 10.3.13 database server...
Mar 24 02:42:25 fehhner mysqld[526]: 2019-03-24 2:42:25 0 [Note] /usr/bin/mysqld (initiated by: unknown): Normal shutdown
Mar 24 02:42:25 fehhner mysqld[526]: 2019-03-24 2:42:25 0 [Note] InnoDB: FTS optimize thread exiting.
Mar 24 02:42:25 fehhner mysqld[526]: 2019-03-24 2:42:25 0 [Note] InnoDB: Starting shutdown...
Mar 24 02:42:25 fehhner mysqld[526]: 2019-03-24 2:42:25 0 [Note] InnoDB: Dumping buffer pool(s) to /var/lib/mysql/ib_buffer_pool
Mar 24 02:42:25 fehhner mysqld[526]: 2019-03-24 2:42:25 0 [Note] InnoDB: Buffer pool(s) dump completed at 190324 2:42:25
Mar 24 02:43:26 fehhner mysqld[526]: 2019-03-24 2:43:26 0 [Note] InnoDB: Waiting for page_cleaner to finish flushing of buffer pool
Mar 24 02:44:26 fehhner mysqld[526]: 2019-03-24 2:44:26 0 [Note] InnoDB: Waiting for page_cleaner to finish flushing of buffer pool
Mar 24 02:45:26 fehhner mysqld[526]: 2019-03-24 2:45:26 0 [Note] InnoDB: Waiting for page_cleaner to finish flushing of buffer pool
Mar 24 02:46:26 fehhner mysqld[526]: 2019-03-24 2:46:26 0 [Note] InnoDB: Waiting for page_cleaner to finish flushing of buffer pool
Mar 24 02:47:27 fehhner mysqld[526]: 2019-03-24 2:47:27 0 [Note] InnoDB: Waiting for page_cleaner to finish flushing of buffer pool