Comment 3 for bug 1602537

Hello Sergei,

This is the error that we get with the 32bit xtrabackup binary:

Using server version 5.7.13-percona-sure1-log
/usr/bin/xtrabackup version 2.4.4 based on MySQL server 5.7.13 Linux (i686) (revision id: df58cf2)

...
160818 22:04:55 >> log scanned up to (58554133693)
160818 22:04:56 >> log scanned up to (58554133693)
160818 22:04:57 >> log scanned up to (58554133693)
2016-08-18 22:04:57 0xe6d4cb40 InnoDB: Assertion failure in thread 3872705344 in file os0file.cc line 1684
InnoDB: Failing assertion: offset > 0
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/5.7/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
14:04:57 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.
Attempting to collect some information that could help diagnose the problem.
As this is a crash and something is definitely wrong, the information
collection process might 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
/usr/bin/xtrabackup(my_print_stacktrace+0x28)[0x88693c8]
/usr/bin/xtrabackup(handle_fatal_signal+0x224)[0x86735b4]
linux-gate.so.1(__kernel_sigreturn+0x0)[0xeb557410]
linux-gate.so.1(__kernel_vsyscall+0x10)[0xeb557440]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(gsignal+0x47)[0xeb119367]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(abort+0x143)[0xeb11aa23]
/usr/bin/xtrabackup[0x8311d99]
/usr/bin/xtrabackup[0x8606583]
/usr/bin/xtrabackup[0x8606cdb]
/usr/bin/xtrabackup[0x8606e90]
/usr/bin/xtrabackup[0x8607036]
/usr/bin/xtrabackup(_Z17os_file_read_funcR9IORequestiPvym+0x21)[0x8607531]
/usr/bin/xtrabackup(_Z15xb_fil_cur_readP12xb_fil_cur_t+0x286)[0x83486d6]
/usr/bin/xtrabackup[0x8336fe2]
/usr/bin/xtrabackup[0x833e6c8]
/lib/i386-linux-gnu/i686/cmov/libpthread.so.0(+0x6efb)[0xeb527efb]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(clone+0x5e)[0xeb1d6ede]

Please report a bug at https://bugs.launchpad.net/percona-xtrabackup