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標題：ORA-07445: exception encountered: core dump [kdxlin()+4088]處理
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abort方式關閉數據庫，啓動報錯
Tue Sep 19 21:52:56 2023NOTE: dependency between database orcl and diskgroup resource ora.DATA.dg is establishedTue Sep 19 21:52:57 2023Reconfiguration started (old inc 4, new inc 6)List of instances: 1 (myinst: 1) Global Resource Directory frozen * dead instance detected - domain 0 invalid = TRUE Communication channels reestablished Master broadcasted resource hash value bitmaps Non-local Process blocks cleaned outTue Sep 19 21:52:57 2023Tue Sep 19 21:52:57 2023 LMS 3: 0 GCS shadows cancelled, 0 closed, 0 Xw survivedTue Sep 19 21:52:57 2023 LMS 0: 0 GCS shadows cancelled, 0 closed, 0 Xw survived LMS 1: 0 GCS shadows cancelled, 0 closed, 0 Xw survivedTue Sep 19 21:52:57 2023 LMS 2: 0 GCS shadows cancelled, 0 closed, 0 Xw survived Set master node info Submitted all remote-enqueue requests Dwn-cvts replayed, VALBLKs dubious All grantable enqueues granted Post SMON to start 1st pass IR Submitted all GCS remote-cache requests Post SMON to start 1st pass IR Fix write in gcs resourcesReconfiguration completeTue Sep 19 21:53:05 2023Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_ora_28917.trc (incident=492333):ORA-00600: internal error code, arguments: [2131], [33], [32], [], [], [], [], [], [], [], [], []Incident details in:/u01/app/oracle/diag/rdbms/orcl/orcl1/incident/incdir_492333/orcl1_ora_28917_i492333.trcUse ADRCI or Support Workbench to package the incident.See Note 411.1 at My Oracle Support for error and packaging details.ORA-600 signalled during: ALTER DATABASE MOUNT /* db agent *//* {1:34652:2} */... |
重建ctl之後，嘗試recover數據庫報錯ORA-600 3020和ORA-07445 kdxlin等錯誤
SQL> recover database;ORA-00600: internal error code, arguments: [3020], [41], [3142531],[175108995], [], [], [], [], [], [], [], []ORA-10567: Redo is inconsistent with data block (file# 41, block# 3142531, fileoffset is 4268777472 bytes)ORA-10564: tablespace XIFENFEIORA-01110: data file 41: '+DATA/orcl/datafile/xifenfei07.dbf'ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' |
Wed Sep 20 00:15:00 2023ALTER DATABASE RECOVER database Media Recovery Start started logmerger processParallel Media Recovery started with 64 slavesWed Sep 20 00:15:02 2023Recovery of Online Redo Log: Thread 2 Group 6 Seq 67008 Reading mem 0 Mem# 0: +DATA/orcl/onlinelog/group_6.268.942097791Recovery of Online Redo Log: Thread 1 Group 2 Seq 81767 Reading mem 0 Mem# 0: +DATA/orcl/onlinelog/group_2.262.942097651Recovery of Online Redo Log: Thread 1 Group 5 Seq 81768 Reading mem 0 Mem# 0: +DATA/orcl/onlinelog/group_5.263.942097651Wed Sep 20 00:15:08 2023Hex dump of (file 41, block 3142531) in trace file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_pr1m_45463.trcReading datafile '+DATA/orcl/datafile/ts_his3bz07.dbf' for corruption at rdba: 0x0a6ff383 (file 41, block 3142531)Reread (file 41, block 3142531) found different corrupt data (logically corrupt)Hex dump of (file 41, block 3142531) in trace file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_pr1m_45463.trcWed Sep 20 00:15:08 2023Exception [type: SIGSEGV, Address not mapped to object][ADDR:0xC] [PC:0x95FB582, kdxlin()+4088][flags: 0x0,count:1]Wed Sep 20 00:15:08 2023Exception [type: SIGSEGV, Address not mapped to object][ADDR:0xC] [PC:0x95FB582, kdxlin()+4088][flags: 0x0,count:1]Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_pr10_45419.trc (incident=564584):ORA-07445: exception encountered:core dump [kdxlin()+4088][SIGSEGV][ADDR:0xC][PC:0x95FB582][Address not mapped to object]Incident details in: /u01/app/oracle/diag/rdbms/orcl/orcl1/incident/incdir_564640/orcl1_pr17_45433_i564640.trc |
嘗試隨機恢復文件，也遭遇ORA-07445 kdxlin異常
SQL> recover datafile 34;ORA-00283: recovery session canceled due to errorsORA-10562: Error occurred while applying redo to data block (file# 34, block#1999809)ORA-10564: tablespace XIFENFEIORA-01110: data file 34: '+DATA/orcl/datafile/xifeifenfei06'ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 97961ORA-00607: Internal error occurred while making a change to a data blockORA-00602: internal programming exceptionORA-07445: exception encountered: core dump [kdxlin()+4088] [SIGSEGV][ADDR:0xC] [PC:0x95FB582] [Address not mapped to object] [] |
出現這種情況是由於redo和數據文件塊不一致導致無法正常應用日誌,人工對於異常的block進行處理,數據庫open成功,然後遭遇undo回滾段異常,對其進行規避,數據庫open並且穩定運行