ORA-600 kcratr1_lastbwr

I hit the error below during startup of my  installation running on Solaris 64 on

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

Basically none of the instances start-up with srvctl command and log this error to alert log.

Tried to run manual startup of instances but no chance same error.

Quick search on MOS (yes it was working :) ) take me to the note 393984.1 (no bug number)

It says this is a bug on Enterprise Edition – Version: to

Solution is manual recovery.

SQL> startup;
        ORACLE instance started.

Total System Global Area  369098752 bytes
Fixed Size                  2020864 bytes
Variable Size             138414592 bytes
Database Buffers          226492416 bytes
Redo Buffers                2170880 bytes
Database mounted.
ORA-00600: internal error code, arguments: [kcratr1_lastbwr], [], [], [], [],
[], [], []

SQL> recover database;
Media recovery complete.
SQL> alter database open;

Database altered.

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