My Oracle Support Banner

Instance Crash With Error ORA-00600 [kcbzpbuf_1] (Doc ID 1052342.1)

Last updated on FEBRUARY 03, 2019

Applies to:

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


On Oracle version, the instance crashed and the following error occurred.

ORA-00600: internal error code, arguments: [kcbzpbuf_1], [4], [1], [], [], [], [], []

Just prior to the error, a Corrupt Block is reported:
Corrupt block relative dba: 0x27022a00 (file 156, block 141824)
Bad header found during preparing block for write
Data in bad block:
type: 2 format: 0 rdba: 0x00008bb6
last change scn: 0x057c.52e4232f seq: 0x0 flg: 0x00
spare1: 0x0 spare2: 0x0 spare3: 0x732
consistency value in tail: 0x0000ae3e
check value in block header: 0xb
block checksum disabled
where a Corrupt block of type: 2 is an UNDO block.

The database has database links and they are being used in distributed transactions.

The database parameter _IN_MEMORY_UNDO has NOT been set to FALSE.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process and therefore has not been subject to an independent technical review.
My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.