ORA-600 [kcbz_check_objd_typ_3] Error from SMON Process Repeatedly

(Doc ID 577579.1)

Last updated on APRIL 23, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 10.2.0.5 [Release 9.2 to 10.2]
Information in this document applies to any platform.
Checked for relevance on 01-Nov-2011

Symptoms

An ORA-600 [kcbz_check_objd_typ_3] error occurs on start up of the instance from the SMON process and is repeatedly signaled in the alert log eventually leading to a PMON instance crash occurring.  Checking the trace file shows the error occurring when accessing a buffer with "seg.obj=0" and the call stack shows module ktssdt_segs() on the call stack, e.g.:

kcbz_check_objd_typ kcbzib kcbgtcr ktecgsc ktecgetsh ktecgshx kteinicnt1 ktssdrbm_segment ktssdro_segment ktssdt_segs ktmmon ksbrdp opirip opidrv sou2o opimai_real main _start 

Cause

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