ORA-600[kffmUnlock_3] POSSIBLE WHEN DATABASE INSTANCE 10GR2 AND ASM 11G (Doc ID 756696.1)

Last updated on APRIL 30, 2009

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.3
This problem can occur on any platform.

Symptoms

ASM and database instances are using different versions. Database instance runs in a 10gR2 version whereas ASM instance  on 11g version.  ASM instance is shutdowned  when there is a rebalance runing and not finished yet. 

The following rebalances causes the database instance to get ORA-600[kffmUnlock_3] exception due to an interoperability issue between 10gR2 database and 11g ASM versions.

Cause

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