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ORA-7445 [kcbxbh()]/[kcbzgb]/[kggchk()] Error With _DB_BLOCK_HASH_LATCHES Set (Doc ID 404937.1)

Last updated on SEPTEMBER 17, 2019

Applies to:

Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Queries against the V$BH view may core dump with an ORA-7445 [kcbxbh()] error with a call stack similar to:

Changes

The hidden parameter _DB_BLOCK_HASH_LATCHES has been manually set in the instance.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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