ORA-07445: coredumpkslgetl, The ORA-07445 appears, the first reaction is to look at the trace, the following is callstacktrace: kslgetlgt; kclmvreqbggt; kcl
ORA-07445: core dump kslgetl, The ORA-07445 appears, the first reaction is to look at the trace, the following is call stack trace: kslgetlgt; kclmvreqbggt; kcl
One node of a core library went down last night, and then reboot,
The following information is found in alert:
Thu Jul 5 03:03:50 2012
Errors in file/u01/Oracle/app/oracle/admin/crm/bdump/crm1_dbw9_142.16.trc:
ORA-07445: exception encountered: core dump [kslgetl () + 32] [SIGSEGV] [Address not mapped to object] [0xF27D6E41F020E369] [] []
Thu Jul 5 03:03:54 2012
Errors in file/u01/oracle/app/oracle/admin/crm/bdump/crm?pmon_14238.trc:
ORA-00471: DBWR process terminated with error.
Thu Jul 5 03:03:54 2012
Errors in file/u01/oracle/app/oracle/admin/crm/bdump/crm1_ckpt_14549.trc:
ORA-00471: DBWR process terminated with error.
Thu Jul 5 03:03:54 2012
Errors in file/u01/oracle/app/oracle/admin/crm/bdump/crm1_lgwr_14540.trc:
ORA-00471: DBWR process terminated with error.
Thu Jul 5 03:03:54 2012
Errors in file/u01/oracle/app/oracle/admin/crm/bdump/crm1_lms0_14351.trc:
ORA-00471: DBWR process terminated with error.
Thu Jul 5 03:03:54 2012
PMON: terminating instance due to error 471
Thu Jul 5 03:03:58 2012
Shutting down instance (abort)
Thu Jul 5 03:04:00 2012
Thu Jul 5 03:04:03 2012
Thu Jul 5 03:04:30 2012
Starting ORACLE instance (normal)
When a ORA-07445 appears, the first reaction is to look at the trace, which is the call stack trace:
Kslgetl> kclmvreqbg> kclrwrite> kcbbxsv> kcbb_coalesce> kcbbwlru>
A similar bug similar to 10.2.0.3 was found on metalink, 5932514,5879114. Finally, according to the call stack trace information, it was found that the bug with unpublished: 4637902 is closer to the description.