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 22.214.171.124 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
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
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