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Thedevil
5 pts.
 ORA-07445
07445, ORA, ORA-07445
Hi, I got the following error and my Instance went down. Can any one help me out to solve this error. Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object), addr: 0x17a, PC: [0x100ff7428, 0000000100FF7428] *** 2008-02-16 05:12:08.804 ksedmp: internal or fatal error ORA-07445: exception encountered: core dump [0000000100FF7428] [SIGSEGV]

Software/Hardware used:
ASKED: February 19, 2008  6:30 AM
UPDATED: March 31, 2010  11:12 PM
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Answer Wiki:
That's a fatal error. You'll want to check your hardware for data faults as well as check for database corruption. You can use DBVERIFY for this.
Last Wiki Answer Submitted:  February 19, 2008  9:53 am  by  Denny Cherry   64,520 pts.
All Answer Wiki Contributors:  Denny Cherry   64,520 pts.
To see all answers submitted to the Answer Wiki: View Answer History.


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but when i take exp full database backup it show me the error s like
EXP-00008: ORACLE error 3113 encountered
ORA-03113: end-of-file on communication channel
EXP-00008: ORACLE error 1041 encountered
ORA-01041: internal error. hostdef extension doesn’t exist
EXP-00000: Export terminated unsuccessfully
and in alert log file it show error
ORA-07445: exception encountered: core dump [000000010213AD08] [SIGSEGV]

and when i run DBVERIFY FOR the file it shows like this
DBV-00200: Block, dba 264448647, already marked corrupted

DBV-00200: Block, dba 264448648, already marked corrupted

DBVERIFY – Verification complete

Total Pages Examined : 281600
Total Pages Processed (Data) : 116385
Total Pages Failing (Data) : 0
Total Pages Processed (Index): 110625
Total Pages Failing (Index): 0
Total Pages Processed (Other): 387
Total Pages Processed (Seg) : 0
Total Pages Failing (Seg) : 0
Total Pages Empty : 54203
Total Pages Marked Corrupt : 0
Total Pages Influx : 0
i am very confusing because it give me in the production database version is 9.2.0.5

please help me on this issue

thanks in advance

Sayed
 10 pts.