SQL Tuning Advisor Jobs Fail with ORA-7445 [qmxtr2MrkOpn()+739] (Doc ID 2002635.1)

Last updated on AUGUST 28, 2020

Applies to:

Symptoms

Below error appears in the alert log -

ORA-07445: exception encountered: core dump [qmxtr2MrkOpn()+398] [SIGSEGV] [ADDR:0x6] [PC:0xDC6F08] [Address not mapped to object] []

Problem Key:  ORA 7445 [qmxtr2MrkOpn]

Full Stack:  

skdstdst <- ksedst1 <- ksedst <- dbkedDefDump <- ksedmp <- ssexhd <- __sighandler <- qmxtr2MrkOpn <- qmxtr2MrkOpn <- qmxtr2MrkLog <- qmxtr2MrkLog <- qmxtr2MrkLog <- qmxtr2MrkLog <- qmxtr2MrkLog <- qmxtr2MrkLog <- qmxtr2ProcColRef <- qmxtr2GCColDefInFrodef <- kokqpaqb <- opitca <- kksFullTypeCheck <- rpiswu2 <- kksSetBindType <- kksfbc <- opiexe <- opiall0 <- opikpr <- opiodr <- rpidrus <- skgmstack <- rpiswu2 <- kprball <- qksdsExeStmt <- qksdsExecute <- kkoatVerifyEst <- kkeAdjJoinPrefCard <- kkejcd <- kkojnp <- kkocnp <- kkooqb <- kkoqbc <- apakkoqb <- apaqbdDescendents <- apaqbdList <- apaqbd <- kkqctCostTransfQB <- kkqctdrvJPPD <- kkqjpdctr <- qksqbApplyToQbcLoc <- qksqbApplyToQbcLoc <- qksqbApplyToQbcLoc <- qksqbApplyToQbc <- kkqctdrvTD <- kkqjpddrv <- kkqdrv <- kkqctdrvIT <- apadrv <- opitca <- kksFullTypeCheck <- rpiswu2 <- kksSetBindType <-

ORA-07445 [qmxtr2MrkOpn()+398] [SIGSEGV] [ADDR:0x6] [PC:0xDC6F08] [Address not mapped to object] :

 Arg 1 = [SIGSEGV]
 Arg 2 = [ADDR:0x6]
 Arg 3 = [PC:0xDC6F08]
 Arg 4 = [Address not mapped to object]

------

Main Stack:  

qmxtr2MrkOpn qmxtr2MrkOpn qmxtr2MrkLog qmxtr2MrkLog qmxtr2MrkLog qmxtr2MrkLog qmxtr2MrkLog qmxtr2MrkLog qmxtr2ProcColRef qmxtr2GCColDefInFrodef kokqpaqb opitca kksFullTypeCheck rpiswu2 kksSetBindType kksfbc opiexe opiall0 opikpr opiodr rpidrus skgmstack rpiswu2 kprball qksdsExeStmt qksdsExecute kkoatVerifyEst kkeAdjJoinPrefCard kkejcd kkojnp kkocnp kkooqb kkoqbc apakkoqb apaqbdDescendents apaqbdList apaqbd kkqctCostTransfQB kkqctdrvJPPD kkqjpdctr qksqbApplyToQbcLoc

Current SQL:

SELECT /* DS_SVC */ /*+ dynamic_sampling(0) no_sql_tune no_monitoring
optimizer_features_enable(default) no_parallel  */ NVL(SUM(C1),0) FROM
(SELECT /*+ qb_name("innerQuery")  */ 1 AS C1 FROM (SELECT "BA"."SWAB_ID"
"SWAB_ID","BA"."CURRENCY" "CURRENCY",SUM("VW_GBC_1"."ITEM_2") "SUM_AMOUNT"
FROM  (SELECT "CE"."ID" "ITEM_1",SUM(SYS_OP_ATG("CE"."MONEY_AMOUNT",1,2,2))
"ITEM_2" FROM "BUG_ENTRY_RTAB" "CE" GROUP BY "CE"."ID")
"VW_GBC_1","BUG_EXT_ENTRY_RTAB" "ECE","BUG_ACCOUNT_RTAB" "BA" WHERE
"BA"."ID"="ECE"."BANKACCOUNT_ID" AND
"ECE"."CASHIERENTRY_ID"="VW_GBC_1"."ITEM_1" GROUP BY
"BA"."SWAB_ID","BA"."CURRENCY") "VW_QBEST_G") innerQuery

Cause

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