After Upgrading To 18c Seeing Several ORA-07445: exception encountered: core dump [kkqctdrvJPPD()+3108] Core Dumps (Doc ID 2538301.1)

Last updated on JULY 20, 2024

Applies to:

Symptoms

• After upgrading to 18c, seeing several core dumps in the alert.log:
  
  ORA-07445: exception encountered: core dump [kkqctdrvJPPD()+3108] [SIGSEGV] [ADDR:0x28] [PC:0x1131AD1A4] [Address not mapped to object]
  

  ----- Current SQL Statement for this session (sql_id=f5y6pgqbcjp8p) -----
  SELECT NUM||':'||l))...
  ....

  ...

   ORDER BY NUM, IDX_OR_TAB DESC)
  [TOC00005]
  ----- PL/SQL Stack -----
  ----- PL/SQL Call Stack -----
    object line object
    handle number name
  4458c4f58 12 procedure SYS.DBMS_FEATURE_PARTITION_SYSTEM
  443a02fd0 1 anonymous block
  3e8c52328 1721 package body SYS.DBMS_SQL.EXECUTE
  44812ad78 312 package body SYS.DBMS_FEATURE_USAGE_INTERNAL.COMPUTE_FEATURE_USAGE
  44812ad78 522 package body SYS.DBMS_FEATURE_USAGE_INTERNAL.SAMPLE_FEATURE_USAGE
  44812ad78 694 package body SYS.DBMS_FEATURE_USAGE_INTERNAL.SAMPLE_DB_FEATURE_USAGE
  44812ad78 791 package body SYS.DBMS_FEATURE_USAGE_INTERNAL.EXEC_DB_USAGE_SAMPLING
  4039832e8 1 anonymous block
  [TOC00005-END]
  [TOC00004-END]
   

  
    ksedst dbkedDefDump ksedmp ssexhd sslsshandler
    sighndlr call_user_handler sigacthandler kkqctdrvJPPD kkqjpdctr
    qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc
    qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc
    qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbcLoc
    qksqbApplyToQbcLoc qksqbApplyToQbcLoc qksqbApplyToQbc kkqctdrvTD kkqjpddrv
    kkqdrv kkqctdrvIT apadrv opitca kksFullTypeCheck
    rpiswu2 kksLoadChild kxsGetRuntimeLock kksfbc kkspbd0
    kksParseCursor opiosq0 opipls opiodr rpidrus
    skgmstack rpidru rpiswu2 rpidrv psddr0

  
  
  

Changes

 Upgraded databases from 12c to 18c, since then multiple core dumps are generated for all upgraded databases running on same server.

Cause

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