ORA-7445 [kxsdcbc()] During Deadlock (ORA-60) (Doc ID 472393.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.3 to 11.1.0.6 - Release: 10.2 to 11.1

Symptoms

The following error is reported in the alert log:

    ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [_kxsdcbc+205]
                          [PC:0x8A78B9][ADDR:0x18] [UNABLE_TO_READ]



and trace file shows:

DEADLOCK DETECTED ( ORA-00060 )
[Transaction Deadlock]
The following deadlock is not an ORACLE error. It is a
deadlock due to user error in the design of an application
or from issuing incorrect ad-hoc SQL. The following
information may aid in determining the deadlock:
Deadlock graph:



The call stack is something like: 

kxsDumpCursors <- curdmp <- ksudps <- ksqdldnl <- ksqxferi <- ksqgtlctx <- ksqgelctx <- ktcwit1 <- kdddgb <- kddlkr <- qerfuStart <- selexe <- opiexe <- opiefn0 <- kpoal8 <- opiodr <- ttcpip <- opitsk <- opiino <- opiodr <- opidrv <- sou2o <- opimai_real <- opimai

Cause

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