Database Crashes Repeatedly With ORA-7445 [kgghash+500], ORA-600 [ACCESS_VIOLATION], ORA-600 
Last updated on JULY 11, 2012
Applies to:Oracle Server - Standard Edition - Version 10.2.0.4 to 220.127.116.11 [Release 10.2 to 11.2]
Information in this document applies to any platform.
The database instance frequently crashes with the following errors:
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