Oracle Database Discussions

hi friends,

DB: 11g 11.1.0.6
OS: Windows server 2003 ent

I've setup datagaurd using 11g. but for last 2 days, not able to start media recovey on standby database.
here's my alertlog file

alter database recover managed standby database using current logfile disconnect from session
Sat Jan 03 11:23:04 2009
MRP0 started with pid=18, OS id=648
Fast Parallel Media Recovery enabled
Managed Standby Recovery starting Real Time Apply
Media Recovery apply datafile 5 offline range
parallel recovery started with 2 processes
Waiting for all non-current ORLs to be archived...
Media Recovery Log C:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\GOLDSBY\ARCHIVELOG\2008_12_30\BACKUP\O1_MF_1_297_4ON23Q00_.ARC
Completed: alter database recover managed standby database using current logfile disconnect from session
Media Recovery Log C:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\GOLDSBY\ARCHIVELOG\2008_12_31\BACKUP\O1_MF_1_298_4OP3CLWS_.ARC
Errors in file c:\app\administrator\diag\rdbms\goldsby\gold\trace\gold_mrp0_648.trc (incident=544158):
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
Incident details in: c:\app\administrator\diag\rdbms\goldsby\gold\incident\incdir_544158\gold_mrp0_648_i544158.trc
Errors with log C:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\GOLDSBY\ARCHIVELOG\2008_12_31\BACKUP\O1_MF_1_298_4OP3CLWS_.ARC
MRP0: Background Media Recovery terminated with error 600
Errors in file c:\app\administrator\diag\rdbms\goldsby\gold\trace\gold_mrp0_648.trc:
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
Managed Standby Recovery not using Real Time Apply
Shutting down recovery slaves due to error 600
Recovery interrupted!
Sat Jan 03 11:23:15 2009
Trace dumping is performing id=[cdmp_20090103112315]
Sat Jan 03 11:23:16 2009
Recovered data files to a consistent state at change 92419435
Errors in file c:\app\administrator\diag\rdbms\goldsby\gold\trace\gold_mrp0_648.trc:
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
Errors in file c:\app\administrator\diag\rdbms\goldsby\gold\trace\gold_mrp0_648.trc:
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
Sat Jan 03 11:23:17 2009
Sweep Incident[544158]: completed

MRP TRACE FILE

** 2009-01-03 11:05:36.140 1095 krsh.c
MRP0: Background Managed Standby Recovery process started

*** 2009-01-03 11:05:41.140
*** 2009-01-03 11:05:41.140 1295 krsm.c
Managed Recovery: Initialization posted.
Started 11g Parallel Media Recovery
Fast Parallel Media Recovery enabled
*** 2009-01-03 11:05:41.156 1095 krsh.c
Managed Standby Recovery starting Real Time Apply

*** 2009-01-03 11:05:41.671
Recovery target incarnation = 5, activation ID = 0
Influx buffer limit = 31623 (50% x 63246)
Successfully allocated 2 recovery slaves
Start recovery at thread 1 ckpt scn 92413878 logseq 297 block 2

*** 2009-01-03 11:05:43.281
Media Recovery add redo thread 1
*** 2009-01-03 11:05:43.296 1295 krsm.c
Managed Recovery: Active posted.

*** 2009-01-03 11:05:43.500
Media Recovery Log C:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\GOLDSBY\ARCHIVELOG\2008_12_30\O1_MF_1_297_4ON1Y6NZ_.ARC

*** 2009-01-03 11:05:44.093
Media Recovery Log C:\APP\ADMINISTRATOR\FLASH_RECOVERY_AREA\GOLDSBY\ARCHIVELOG\2008_12_31\O1_MF_1_298_4ON74ROZ_.ARC

*** 2009-01-03 11:05:44.906
Incident 520220 created, dump file: c:\app\administrator\diag\rdbms\goldsby\gold\incident\incdir_520220\gold_mrp0_4044_i520220.trc
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []

*** 2009-01-03 11:05:45.687 1095 krsh.c
MRP0: Background Media Recovery terminated with error 600
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
*** 2009-01-03 11:05:45.687 1095 krsh.c
Managed Standby Recovery not using Real Time Apply
kcrrgaptime: no snapshot information available
----- Redo read statistics for thread 1 -----
Read rate (ASYNC): 21376Kb in 2.55s => 8.19 Mb/sec
Total redo bytes: 23424Kb Longest record: 14Kb, moves: 17/62299 moved: 0Mb (0%)
Longest LWN: 804Kb, reads: 2357
Last redo scn: 0x0000.05823f03 (92421891)
Change vector header moves = 8621/118937 (7%)
----------------------------------------------

*** 2009-01-03 11:05:45.828
Media Recovery drop redo thread 1
Completed 11g Parallel Media Recovery
Starting in-flux buffer recovery from SCN 0.92413878 to SCN (non-inclusive) 0.92419435

*** 2009-01-03 11:05:46.265
Influx Media Recovery add redo thread 1

*** 2009-01-03 11:05:47.531
*** 2009-01-03 11:05:47.531 1295 krsm.c
Managed Recovery: Not Active posted.
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []
error 473 detected in background process
OPIRIP: Uncaught error 447. Error stack:
ORA-00447: fatal error in background process
ORA-00600: internal error code, arguments: [3012], [5], [131], [0], [92421891], [0], [92413878], []

could you help on this...?
waiting for your favorable reply,
thanks in advance..

Regards