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

Some time we encounter this error while starting the database. Below is the solution for recovering through this error.

Error:

SQL> startup
ORACLE instance started.

Total System Global Area 1073741824 bytes
Fixed Size 1264916 bytes
Variable Size 264241900 bytes
Database Buffers 801112064 bytes
Redo Buffers 7122944 bytes
Database mounted.
ORA-00600: internal error code, arguments: [kcratr1_lastbwr], [], [], [], [],
[], [], []

Encountered in : 10.2.0.2.0 Database

Cause:

Oracle is unable to perform instance recover but it works when is invoked manually.

Solution:

SQL> startup mount
ORACLE instance started.

Total System Global Area 1073741824 bytes
Fixed Size 1264916 bytes
Variable Size 264241900 bytes
Database Buffers 801112064 bytes
Redo Buffers 7122944 bytes
Database mounted.
SQL> recover database
Media recovery complete.
SQL> alter database open;

Database altered.

SQL>

References

Metalink note ID: 393984.1

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

  1. zango June 20, 2008 at 2:37 pm

    was very useful.Thanks

  2. sara November 11, 2008 at 7:03 am

    Thank u! very much! this info helped me!

  3. Rahul April 2, 2009 at 2:44 pm

    Thanks, it did help

  4. janus August 24, 2009 at 7:55 am

    thanks buddy

  5. kamouma August 24, 2009 at 2:30 pm

    Thank you very much, you cannot imagine how it helped me

  6. qfzhang September 16, 2009 at 11:51 pm

    Thanks a lot. It is a big help, just solved my problem in one minute.

  7. Arshad October 21, 2009 at 6:07 am

    Thanks a lot, it was a great help, it resloved my problem !!!

  8. Ajit November 9, 2009 at 1:19 pm

    Buddy! You Save my Job. God Bless You.
    Thanks a lot.

  9. spyrogyra February 4, 2010 at 4:46 am

    wow..
    thanks yow…

  10. Ayman Wassif March 18, 2010 at 7:10 pm

    Great article,
    Thanks a lot

  11. Manish March 24, 2010 at 12:16 pm

    Thanks it works
    But i want to knw wat that command exactly doing

    RECOVER DATABASE

  12. Apoorbo August 26, 2010 at 5:20 am

    thks it works

    keep the good work going on

  13. Adam Zuber October 18, 2010 at 3:08 am

    hey buddy. thanks a million.

  14. KHURSHEED ALAM KHAN April 30, 2011 at 7:09 am

    Hi,

    Thanks!

    I resolved this issue.
    It is working perfectly.

  15. francis May 9, 2011 at 11:34 am

    Wao !.. Fantastic .. this solved my problem

  16. Krishna August 26, 2011 at 6:21 am

    Hi Actually I was stuck up with the Disp+work.exe process stopped in SAP MMC ,there by I wasnt able to connect to the SAP web applicatino Server. went through all the traces like dev_w0 , alerts and dev_trace files. There the files was explaining that some problem with the Db_connect .
    then started exploring online and found this simple steps.
    Now I am able to log in my SAP.
    Thanks

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