My Oracle Support Banner

Ora7445 [kcbm_sim_one()+1288] [SIGSEGV] [ADDR:0xC109CCD18] [PC:0x104D4FF68] [Address not mapped to object] [] (Doc ID 2223940.1)

Last updated on FEBRUARY 23, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


1. The below error is logged in the alert log, which may or may not be followed by instance crash:
ORA-07445: exception encountered: core dump [kcbm_sim_one()+1288] [SIGSEGV] [ADDR:0xC109CCD18] [PC:0x104D4FF68] [Address not mapped to object] []

2. According to the error incident trace file :

The failing statement can be an INSERT statement.

Stack Trace similar to:
kcbm_sim_one <- kcbm_simulate <- kcbm_trace
<- kcbzgb <- kcbnew <- ktspfmdb <- ktspfmtrng <- ktspfsall
<- ktspfsrch <- ktspscan_bmb <- ktspgsp_main <- kdisnew <- kdisnewle
<- kdisle <- kdiins0 <- kauxsin <- qesltcLoadIndexList <- qesltcLoadIndexes
<- qerltcFlushKdtBuffe <- qerltcBufRow <- qerltcKdtBufferedIn <- sRowCBK <- qerltcLoadStateMach
<- ine <- qerltcInsertValues <- qerltcFetch <- insexe <- opiexe
<- kpoal8


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.