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ORA-600 [17182] "kxs-heap-w" - fplib_test_largebuf_alloc: _bufs (Doc ID 2864828.1)

Last updated on AUGUST 22, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


After upgraded to Oracle DB 19c, the concurrent request is error out due to ORA-03114: not connected to ORACLE.

Alert log shows following errors.

ORA-00600: internal error code, arguments: [17182], [0x7FCF57722C98], [], [],[], [], [], [], [], [], [], []
ORA-00600: internal error code, arguments: [17147], [0x7FB39D95B1D0], [], [], [], [], [], [], [], [], [], []
ORA-00600: internal error code, arguments: [17114], [0x7FB39DBFB1F8], [], [], [], [], [], [], [], [], [], []
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x7FB3E6970A1C] [PC:0x12ED886E, kghfrh_internal()+654] [flags: 0x0, count: 1]
ORA-07445: exception encountered: core dump [kghfrh_internal()+654] [SIGSEGV] [ADDR:0x7FB3E6970A1C] [PC:0x12ED886E] [Address not mapped to object] []

Incident trace file shows following information:

Decoding of possible comments in or near previous range
[0x7fcf577226e8] = 0x151cb6d8 ==> fplib_test_largebuf_alloc: _bufs
[0x7fcf57723c18] = 0x151cb6d8 ==> fplib_test_largebuf_alloc: _bufs
HEAP DUMP heap name="kxs-heap-w" desc=0x7fcf5865a9e0
extent sz=0x1000 alt=32767 het=32767 rec=0 flg=0x3 opc=0
parent=0x7fcf59239568 owner=(nil) nex=(nil) xsz=0xed828 heap=(nil)
fl2=0x22, fl3=0x0, nex=(nil), idx=0, dur=-1, dsxvers=1, dsxflg=0x0
dsx first ext=0x7fcf57f6c580
dsx empty ext bytes=1161216 subheap rc link=0x7fcf57f55ad8,0x7fcf56ed1e08
dsx heap size=16820536, dsx heap depth=2
pdb id=3, src pdb id=3

EXTENT 4 addr=0x7fcf576da7d8

Chunk 7fcf576da7e8 sz= 294944 free " "
Chunk 7fcf57722808 sz= 560 NEXT NEXT CHUNK'S PREVIOUS POINTER NOT POINTING TO NEXT CHUNK 2d2c2b2a29282726
freeable "fplib_test_larg"


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