My Oracle Support Banner

ORA-600 [kcbz_check_objd_typ_3] Error from SMON Process Repeatedly (Doc ID 577579.1)

Last updated on FEBRUARY 14, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 10.2]
Information in this document applies to any platform.


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 




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

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.