ORA-00600: Internal Error Code, Arguments: [ztsmgmkh:nz Internal Error], [] (Doc ID 2133379.1)

Last updated on JUNE 20, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Problem Summary
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ORA-00600: internal error code, arguments: [ztsmgmkh:nz internal error], [18446744073709550593], []

Problem Description
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RMAN cold backup hangs for over 3 hours and usually runs in 30 mins or less.

Alert log may have errors like below
===========================
Database mounted in Exclusive Mode
Lost write protection disabled
Completed: alter database mount
Mon May 02 11:26:18 2016
Errors in file /ora/sys01/app/oracle/diag/rdbms/adr1/adr1/trace/adt1_ora_49676986.trc (incident=208241):
ORA-00600: internal error code, arguments: [ztsmgmkh:nz internal error], [18446744073709550593], [], [], [], [], [], [], [], [], [], []



Changes

 Customer has implemented TDE and data masking to the database recently. RMAN backup started hanging for a while after this.

Cause

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