Pmon Dies Crashing the Database with ORA-07445:[kxttCleanEnvList] (Doc ID 1550684.1)

Last updated on JANUARY 18, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

1. The following error is reported in alert log and incident trace file.

ORA-07445: exception encountered: core dump [kxttCleanEnvList()+43] [SIGSEGV] [ADDR:0x2B2EDC53A238] [PC:0x1E08009] [Address not mapped to object] []

2.  The Callstack looks similar to

----- Call Stack Trace -----

    skdstdst <- ksedst1 <- ksedst <- dbkedDefDump <- ksedmp
       <- ssexhd <- sighandler <- kxttCleanEnvList <- kxttClnUp <- kssxdl
        <- kssdel <- kssdch <- ksuxds <- kssxdl <- kssdel
         <- kssdch <- ksudlp <- kssxdl <- kssdel <- ksuxdl
          <- ksuxda_del_proc <- ksucln_dpc_cleanup <- ksucln_dpc_dfs <- ksucln_dpc_main <- 187
           <- ksucln_dpc <- ksucln <- ksbrdp <- opirip <- opidrv
            <- sou2o <- opimai_real <- ssthrdmain <- main <- libc_start_main
             <- start

Cause

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