ORA-00600 [kghstack_underflow_internal_3] (Doc ID 1545643.1)

Last updated on FEBRUARY 07, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

Following errors are shown in alert log:

ORA-00600: [17147], [0x2B87A14D59D0], [], [], [], [], [], [], [], [], [], []

followed by

ORA-07445: exception encountered: core dump [kghstack_underflow_internal()+130] [SIGSEGV] [ADDR:0x0] [PC:0x90B355E] [SI_KERNEL(general_protection)] []

and relevant trace file shows following failing SQL and stack trace:

/* SQL Analyze(162,1) */ SELECT /*+ INDEX(AcctRecDetail IND$AcctRecDetail$TransDate) INDEX(AcctRecHdr ...

----- PL/SQL Call Stack -----
 object      line  object
 handle    number  name
0xa3c84ebd8     11816  package body SYS.DBMS_SQLTUNE_INTERNAL
0xa54dfc5f0         7  SYS.WRI$_ADV_SQLTUNE
0xa3e796ee8       587  package body SYS.PRVT_ADVISOR
0xa3e796ee8      2655  package body SYS.PRVT_ADVISOR
0xa457da9b8       241  package body SYS.DBMS_ADVISOR
0xa43ac3678       821  package body SYS.DBMS_SQLTUNE
0xa41138970         4  anonymous block

 

Call stack trace:

 kghstack_underflow_internal <- kghstack_free <- rpiswu2  <- kpoodr <- upirtrc <- kpurcsc <- kpuexec <- OCIStmtExecute <- qksanExecSql <- qksanAnalyzeSql <- qksanAnalyzeSegSql <- kestsaFinalRound  <- kestsaAutoTuneSql <- kestsaAutoTuneDrv

...

Cause

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