Ora-07445: Core Dump [qkabxo()+4] When Using Rownum In Query (Doc ID 1262654.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.
***Checked for relevance on 26-Nov-2012***

Symptoms

On : 10.2.0.4 version, Internals Errors (ORA-600 & ORA-7445)

When attempting to run a SQL statement that includes rownum, the following error can occur if
the optimizer mode is switched from FIRST_ROWS to ALL_ROWS:

ERROR
-----------------------
ORA-07445: exception encountered: core dump [qkabxo()+4] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []

Symptoms:
- Error: ORA-7445 [QKABXO+8]
- Current statement contains rownum.
- Stack trace: qkabxo <- qkanindex <- qkatab <- qkajoi <- qkaqkn
- Running release 10.2.0.4 or 11.1.0.6

Cause

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