ORA-600 [729] in "MDGPTGM: SEGMEN" (Doc ID 1400453.1)

Last updated on FEBRUARY 07, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.1.0.7 [Release 10.2 to 11.1]
Information in this document applies to any platform.

Symptoms

The following error is reported in the alert log file:

ORA-00600: internal error code, arguments: [729], [272], [space leak], [], [], [], [], []

and the trace file shows something like:

******** ERROR: UGA memory leak detected 272 ********
******************************************************
HEAP DUMP heap name="session heap" desc=ffffffff7cc3a348
extent sz=0xff80 alt=32767 het=32767 rec=0 flg=3 opc=3
parent=1060b1aa8 owner=995884448 nex=0 xsz=0xff80
EXTENT 0 addr=ffffffff7b170080
Chunk ffffffff7b170090 sz= 65392 free " "
................................................................................
Chunk ffffffff7b113f40 sz= 272 freeable "MDGPTGM: Segmen"
Dump of memory from 0xFFFFFFFF7B113F40 to 0xFFFFFFFF7B114050

Cause

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