ORA-07445: [_intel_fast_memcmp()+26] When Generating Explain Plan (Doc ID 1446996.1)

Last updated on FEBRUARY 07, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.2 [Release 11.2]
Information in this document applies to any platform.

Symptoms

You are trying to generate an explain plan on a SQL statement and it fails with the following error:

ORA-07445: exception encountered: core dump [_intel_fast_memcmp()+26] [SIGSEGV] [ADDR:0x50001] [PC:0x467E97A] [Address not mapped to object] []

The stack trace will be similar to the following:

skdstdst <- ksedst1 <- ksedst <- dbkedDefDump <- ksedmp <- ssexhd <- sighandler <- intel_fast_memcmp <- qcdoiat <- qcdogrbt <- qctcoae <- koksaec <- xtycecb <- qctcoex <- qctstbo <- qctonvl2 <- qctcopn <- qctcopn <- xtyopn <- qximcoc <- qximflil <- qximccqa <- qximcqa <- qeroicso <- qeroiAllocate <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknRwsAllocateTree <- qknDoRwsAllocate <- qkaTraverseQknDescendents <- qkaTraverseQkn <- qkadrv2Post <- qkadrv2 <- opitca <- kksFullTypeCheck <- rpiswu2 <- kksSetBindType <- kksfbc <- opiexe <- kpoal8 <- opiodr <- kpoodrc <- rpiswu2 <- kpoodr <- upirtrc <- kpurcsc <- kpuexec <- OCIStmtExecute <- qksanExecSql <- qksanAnalyzeSql <- qksanAnalyzeSegSql <- kestsaInitialRound <- kestsaAutoTuneSql <- kestsaAutoTuneDrv <- kestsTuneSqlDrv <- kesaiExecAction <- kesaiTuneSqlDrv <- spefcifa <- spefmccallstd <- pextproc <- PGOSF561_peftrust <- PGOSF633_psdexsp <- rpiswu2 <- psdextp <- pefccal <- pefcal <- pevm_FCAL <- pfrinstr_FCAL <- pfrrun_no_tool <- pfrrun <- plsql_run <- peicnt <- kkxexe <- opiexe <- kpoal8 <- opiodr <- kpoodr <- upirtrc <- kpurcsc <- kpuexec <- OCIStmtExecute <- PGOSF508_jslvec_e <- xeccb <- jslvswu <- xeccb <- jslve_execute0 <- jslve_execute <- rpiswu2 <- kkjex1e <- kkjsexe <- kkjrdp <- opirip <- opidrv <- sou2o <- opimai_real <- ssthrdmain <- main <- libc_start_main <- start

Cause

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