xtrabackup -v xtrabackup version 2.2.5 based on MySQL server 5.6.21 Linux (x86_64) (revision id: ) Backup : innobackupex: Created backup directory /mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/incremental/2014-10-13_14-05-03 141013 14:05:03 innobackupex: Starting ibbackup with command: xtrabackup --defaults-group="mysqld" --backup --suspend-at-end --target-dir=/mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/incremental/2014-10-13_14-05-03 --tmpdir=/dev/shm --extra-lsndir='/dev/shm' --incremental-basedir='/mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/full/2014-10-12_03-30-02' innobackupex: Waiting for ibbackup (pid=13943) to suspend innobackupex: Suspend file '/mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/incremental/2014-10-13_14-05-03/xtrabackup_suspended_2 ' xtrabackup version 2.2.5 based on MySQL server 5.6.21 Linux (x86_64) (revision id: ) incremental backup from 15331124206933 is enabled. .... Apply log: 141013 16:41:09 innobackupex: Starting ibbackup with command: xtrabackup --defaults-file="/mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/full/2014-10-12_03-30-02/backup-my.cnf" --defaults-group="mysqld" --prepare --target-dir=/mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/full/2014-10-12_03-30-02 --incremental-dir=/mnt/RawPDFs-obsapp002/db_back/ data01.bookdownloader.com/incremental/2014-10-13_14-05-03 --tmpdir=/tmp Error details: InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html InnoDB: about forcing recovery. 00:15:33 UTC - xtrabackup got signal 6 ; This could be because you hit a bug or data is corrupted. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. Thread pointer: 0x0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0 thread_stack 0x10000 xtrabackup(my_print_stacktrace+0x32) [0xa3bc9d] xtrabackup(handle_fatal_signal+0x335) [0x910c05] /lib64/libpthread.so.0 [0x36aac0eb10] /lib64/libc.so.6(gsignal+0x35) [0x36aa030265] /lib64/libc.so.6(abort+0x110) [0x36aa031d10] xtrabackup(page_dir_find_owner_slot(unsigned char const*)+0x221) [0x774ebb] xtrabackup(page_cur_delete_rec(page_cur_t*, dict_index_t const*, unsigned long const*, mtr_t*)+0xc5) [0x738f49] xtrabackup(page_cur_parse_delete_rec(unsigned char*, unsigned char*, buf_block_t*, dict_index_t*, mtr_t*)+0x135) [0x7393eb] xtrabackup [0x6d4439] xtrabackup(recv_recover_page_func(unsigned long, buf_block_t*)+0x394) [0x6d5c6c] xtrabackup(buf_page_io_complete(buf_page_t*)+0x40c) [0x660e42] xtrabackup(fil_aio_wait(unsigned long)+0x12e) [0x6e23b8] xtrabackup(io_handler_thread+0x22) [0x796622] /lib64/libpthread.so.0 [0x36aac0673d] /lib64/libc.so.6(clone+0x6d) [0x36aa0d44bd] On Tue, Oct 14, 2014 at 4:04 AM, Arunjith Aravindan <