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ORA-07445: Exception Encountered: Core Dump [kkmaosol()+32] [SIGSEGV] with SQL Tracing Enabled (Doc ID 1493612.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2]
Information in this document applies to any platform.


  1. A session crashes with:
    ORA-07445: exception encountered: core dump [kkmaosol()+32] [SIGSEGV] [Address not mapped to object] [0x000000020] [] []
    Current SQL statement for this session:
    select value$ from props$ where name = 'GLOBAL_DB_NAME'

  2. Review of the generated tracefiles reveals a call stack similar to:
    ... <- kkmaosol <- qcdlgbo <- qcdlgob <- qcsfgob <- qcsprfro <- qcsprfro_tree <- qcsprfro_tree <- qcspafq <- qcspqbDescendents <- qcspqb <- kkmdrv <- ...
  3. SQL Trace has been enabled for the session.


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