ORA-00600: internal error code, arguments: [kcratr1_lastbwr], [], [], [], []

PROBLEM:
----------------

ORA-00600: internal error code, arguments: [kcratr1_lastbwr], [], [], [], [],
[], [], []


SOLUTION:
------------------

Recover database !!!!


Errors in file /u01/app/oracle/admin/tstdb/udump/tstmeddb_ora_14614724.trc:
ORA-00600: internal error code, arguments: [kcratr1_lastbwr], [], [], [], [], [], [], []
Wed Jul 23 09:03:26 EEST 2014
Aborting crash recovery due to error 600
Wed Jul 23 09:03:26 EEST 2014
Errors in file /u01/app/oracle/admin/tstdb/udump/tstdb_ora_14614724.trc:
ORA-00600: internal error code, arguments: [kcratr1_lastbwr], [], [], [], [], [], [], []

QL> startup mount;
ORACLE instance started.

Total System Global Area  935329792 bytes
Fixed Size                  2100784 bytes
Variable Size             578814416 bytes
Database Buffers          348127232 bytes
Redo Buffers                6287360 bytes
Database mounted.
SQL> recover database;
Media recovery complete.
SQL> alter database open;

Database altered.