ORA 7445 [qsmmixFindIdxCandsByObjn()+184] (Doc ID 1480446.1)

Last updated on FEBRUARY 02, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

Getting following error in the alertlog

ORA-07445: exception encountered: core dump [qsmmixFindIdxCandsByObjn()+184] [SIGSEGV] [ADDR:0x1020000160008] [PC:0x107064818] [Address not mapped to object] []

with call stack similar to the following,

qsmmixIdxOnMVFixup <- qsmmixOptimizerGenI <- dxCand
        <- qsmmixOptimizerSetu <- pIdxCand <- kkoiqb <- pIdxCand <- kkooqb
         <- kkoqbc <- apakkoqb <- apaqbdDescendents <- apaqbdList <- apaqbdDescendents
          <- apaqbdList <- apaqbd <- kkqctCostTransfQB <- kkqctdrvSU <- kkqutruns
           <- kkqudrv <- kkqctdrvTD <- kkqdrv <- kkqctdrvIT <- apadrv............

Cause

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