160910 00:05:01 Connecting to MySQL server host: localhost, user: xxx, password: set, port: xxx, socket: /var/lib/mysql/mysql.sock
Using server version 10.0.23-MariaDB-enterprise-log
innobackupex version 2.3.5 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 45cda89)
incremental backup from 0 is enabled.
xtrabackup: uses posix_fadvise().
xtrabackup: cd to /opt/mysql_data
xtrabackup: open files limit requested 65535, set to 65535
xtrabackup: using the following InnoDB configuration:
xtrabackup:   innodb_data_home_dir = ./
xtrabackup:   innodb_data_file_path = ibdata1:12M:autoextend
xtrabackup:   innodb_log_group_home_dir = ./
xtrabackup:   innodb_log_files_in_group = 2
xtrabackup:   innodb_log_file_size = 50331648
Found and using lsn: 846260275194 for name backup-53309-all_databases
xtrabackup: error: log block numbers mismatch:
xtrabackup: error: expected log block no. 586990567, but got no. 587187167 from the log file.
xtrabackup: error: it looks like InnoDB log has wrapped around before xtrabackup could process all records due to either log copying being too slow, or  log files being too small.
xtrabackup: Error: xtrabackup_copy_logfile() failed.

shell > mysqld --user=mysql &

[1] 23046
2016-06-24 22:57:33 0 [Note] mysqld (mysqld 5.6.29-log) starting as process 23046 ...