ORA-600 [729] [Space Leak] With Leaked Memory in 'kdit' and 'ktatt'

(Doc ID 1104636.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.1.0.8 [Release 10.2 to 11.1]
Information in this document applies to any platform.

Symptoms

ORA-00600: internal error code, arguments: [729], [352], [space leak], [], [], [], [], [] signaled occasionally when a session logs off.

The trace file shows the following chunks:
Chunk ffffffff7b750090 sz=       56    freeable  "kdit           "
 Chunk ffffffff7b740478 sz=       64    freeable  "kdit           "
 Chunk ffffffff7b990508 sz=       48    freeable  "ktatt          "
 Chunk ffffffff7b99a3a0 sz=       56    freeable  "ktatt          "
 Chunk ffffffff7b99ba10 sz=       64    freeable  "ktatt          "
 Chunk ffffffff7c074af0 sz=       64    freeable  "kdit           "

The argument after ORA-600 [729] is the size of the leaked memory in bytes.
This is equal to the sum of the sizes of the labeled memory chunks in the trace file.

Cause

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