A Merge Statement on a Partitioned Table Can Raise ORA-600[kxfqenq1] or ORA-7445[kxfqgky] When Executed in Parallel (Doc ID 553684.1)

Last updated on MARCH 27, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.1.0.6 [Release 10.2 to 11.1]
Information in this document applies to any platform.

Symptoms

Either of the following errors may be seen in the alert log: 
     ORA-00600: internal error code, arguments: [kxfqenq1], [], [], [], [], [], [], [] 
     ORA-07445: exception encountered: core dump [kxfqgky]

The call stack can look like this: 
     kxfqenq kauXtq1Enq kauXtqEnq kxibDoFinish kxibFinish qerusFetch qertqoFetch ...

The SQL which raises the error is a merge statement issued in parallel on a partitioned table.

Cause

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