ORA-00600:

 we recently turned on audit and  one of the prod database keep throwing below error but others are working fine. I am not sure what is causing this, Oracle suggestion is that it's a bug but how come this bug is hitting only one DB

 our DBs are RAC 11gr2(11.1.2.0.3) 4 Node cluster on 

 

ORA-00600: internal error code, arguments: [kzaxpopr14 - Error in decoding xml text], [], [], [], [], [], [], [], [], [], [], []

parameter setting are below

SQL> show parameter aud

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

audit_file_dest                      string      /u05/audit/DB/

audit_sys_operations                 boolean     TRUE

audit_syslog_level                   string

audit_trail                          string      XML