Instance Terminated with ORA-00600 [2252] and couldn't start (Doc ID 3025656.1)

Last updated on MAY 30, 2024

Applies to:

Symptoms

On : 19.3.0.0.0 version, Internals Errors (ORA-600 & ORA-7445)

It is RAC system. 

There was SCN Bumpup from 1st Instance. 

< alert_01.log>

2024-05-27T10:39:44.868894+09:00
Session (636,21915): EXTERNAL SCN ALERT: Advanced SCN by 9819685 minutes worth to 0x000034ad56b8fb81, by inbound distributed transaction logon with scn
Session (636,21915): EXTERNAL SCN SOURCE: Inbound connection from DBID: c7205f82 GLOBAL_DB_NAME: RT
Session (636,21915): EXTERNAL SCN SOURCE: DB Logon User: USER, Remote Machine: RMMACHINE, Program: oracle@RT(TNS V1-V3), OS User: orasvc01
Session (636,21915): EXTERNAL SCN SOURCE: Client IP Address: 10.185.250.43

And 2nd Instance was terminated with ORA-00600 [2252] errors from LM* process and also couldn't start with same errors. 

 
< alert_02.log >

2024-05-27T10:39:44.930798+09:00
Errors in file /logs001/02/diag/rdbms/LC/02/trace/02_lmd0_19602.trc (incident=45849):
ORA-00600: internal error code, arguments: [2252], [57919088950145], [51053027393536], [], [], [], [], [], [], [], [], []
Incident details in: /logs001/02/diag/rdbms/LC/02/incident/incdir_45849/02_lmd0_19602_i45849.trc
2024-05-27T10:39:44.944799+09:00
Errors in file /logs001/02/diag/rdbms/LC/02/trace/02_lmon_19600.trc (incident=45841):
ORA-00600: internal error code, arguments: [2252], [57919088950145], [51053027393536], [], [], [], [], [], [], [], [], []
Incident details in: /logs001/02/diag/rdbms/LC/02/incident/incdir_45841/02_lmon_19600_i45841.trc
2024-05-27T10:39:45.158985+09:00
Errors in file /logs001/02/diag/rdbms/LC/02/trace/02_lms0_19604_19608.trc (incident=45857):
ORA-00600: internal error code, arguments: [2252], [57919088950145], [51053027491840], [], [], [], [], [], [], [], [], []
Incident details in: /logs001/02/diag/rdbms/LC/02/incident/incdir_45857/02_lms0_19604_19608_i45857.trc
...

Changes

Recently, New connection via DBLINK from Remote DBMS.

Cause

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