Seg Fault for Incremental Backup

[Doki]

I get the following seg fault....
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xtrabackup --backup --throttle=100 --target-dir=/home/backup-delta --incremental-basedir=/home/backup
xtrabackup Ver undefined Rev undefined for 5.0.84 pc-linux-gnu (i686)
incremental backup from 0:48140 is enabled.
xtrabackup: uses posix_fadvise().
xtrabackup: cd to /var/lib/mysql/
xtrabackup: Target instance is assumed as followings.
xtrabackup: innodb_data_home_dir = /var/lib/mysql/
xtrabackup: innodb_data_file_path = ibdata1:10M:autoextend
xtrabackup: innodb_log_group_home_dir = /var/lib/mysql/
xtrabackup: innodb_log_files_in_group = 3
xtrabackup: innodb_log_file_size = 268435456
>> log scanned up to (0 49755)
Copying /var/lib/mysql/ibdata1
     to /home/backup-delta/ibdata1.delta
090820 9:09:45InnoDB: Assertion failure in thread 3084527296 in file xtrabackup.c line 1607
InnoDB: Failing assertion: page_offset >> 32 == 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/5.0/en/forcing-recovery.html
InnoDB: about forcing recovery.
Segmentation fault
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XtraBackup is compiled from source branch release-1.0

Its running on
Linux h834759 2.6.22.17-0.1-default #1 SMP 2008/02/10 20:01:04 UTC i686 athlon i386 GNU/Linux
openSUSE 10.3 (i586)

Mysql Version 5.0.84