ORA-600 [kcbchg1_16] Errors During Queries (Doc ID 1320406.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

While performing a query, the following error is generated:

ORA-00600: internal error code, arguments: [kcbchg1_16], [], []


The stack trace from the trace file will be similar to the following:

... kcbchg1_main kcbchg ktbgfc ktbgcl1 ktrgcm ktrget2 qeilbk1 qeilsr qerixtFetch qerjotRowProc qerixFetchUniqueIndex qerjotRowProc qerixtFetch qergsFetch qervwFetch qerjotFetch qervwFetch rwsfcd qerusFetch updaul ...


The incident dump within the trace file shows that we deal with "temp_data" blocks:

----- Beginning of Customized Incident Dump(s) -----
BH (0x700001bbf76f2f8) file#: 23 rdba: 0x05e1570d (23/2184973) class: 1 ba: 0x700001bb13b6000
set: 68 pool 3 bsz: 8192 bsi: 0 sflg: 1 pwc: 0,25
dbwrid: 3 obj: 132136 objn: 132136 tsn: 6 afn: 23 hint: f
hash: [0x700002164d2dfa8,0x700002164d2dfa8] lru: [0x700001a7fcb6b10,0x700001affaa75e0]
ckptq: [NULL] fileq: [NULL] objq: [0x7000019bedce138,0x700001affaa7608]
use: [0x7000021651b4fa0,0x7000021651b4fa0] wait: [NULL]
st: XCURRENT md: EXCL tch: 0
flags: temp_data                                  < ======= temp data flag is here ======
LRBA: [0x0.0.0] LSCN: [0x0.0] HSCN: [0xffff.ffffffff] HSUB: [65535]
cr pin refcnt: 0 sh pin refcnt: 0
Dump of buffer cache at level 10 for tsn=6, rdba=98653965

 

Cause

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