Category Archives: kdxlin

一次幸运的ORA-07445 kdxlin故障恢复

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标题：一次幸运的ORA-07445 kdxlin故障恢复

作者：惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

一个oracle 19.3版本数据库异常关机之后直接启动数据库报ORA-07445 [kdxlin()+4824]相关错误

alter database open
2025-09-27T13:45:25.877298+08:00
Ping without log force is disabled:
  instance mounted in exclusive mode.
2025-09-27T13:45:25.924174+08:00
Beginning crash recovery of 1 threads
 parallel recovery started with 11 processes
 Thread 1: Recovery starting at checkpoint rba (logseq 2188 block 62125), scn 0
2025-09-27T13:45:26.049176+08:00
Started redo scan
2025-09-27T13:45:26.174177+08:00
Completed redo scan
 read 1070 KB redo, 536 data blocks need recovery
2025-09-27T13:45:26.465482+08:00
Started redo application at
 Thread 1: logseq 2188, block 62125, offset 0
2025-09-27T13:45:26.481107+08:00
Recovery of Online Redo Log: Thread 1 Group 1 Seq 2188 Reading mem 0
  Mem# 0: D:\APP\ADMINISTRATOR\ORADATA\Nxff\REDO01.LOG
2025-09-27T13:45:26.496732+08:00
Completed redo application of 0.58MB
2025-09-27T13:45:26.699860+08:00
Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xC] [PC:0x7FF77DBBF2F8, kdxlin()+4824]
Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\trace\xff_p003_4996.trc  (incident=131272):
ORA-07445: 出现异常错误: 核心转储 [kdxlin()+4824][ACCESS_VIOLATION][ADDR:0xC][PC:0x7FF77DBBF2F8][UNABLE_TO_READ][]
Incident details in: D:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\incident\incdir_131272\xff_p003_4996_i131272.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
2025-09-27T13:45:30.776913+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:30.776913+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:30.776913+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:30.776913+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:30.776913+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:30.792538+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:30.792538+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:31.792552+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:32.802610+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:33.818250+08:00
Slave encountered ORA-10388 exception during crash recovery
2025-09-27T13:45:33.833875+08:00
Aborting crash recovery due to slave death, attempting serial crash recovery
2025-09-27T13:45:33.833875+08:00
Beginning crash recovery of 1 threads
 Thread 1: Recovery starting at checkpoint rba (logseq 2188 block 62125), scn 0
2025-09-27T13:45:33.865126+08:00
Started redo scan
2025-09-27T13:45:33.912001+08:00
Completed redo scan
 read 1070 KB redo, 536 data blocks need recovery
2025-09-27T13:45:33.912001+08:00
Started redo application at
 Thread 1: logseq 2188, block 62125, offset 0
2025-09-27T13:45:33.927627+08:00
Recovery of Online Redo Log: Thread 1 Group 1 Seq 2188 Reading mem 0
  Mem# 0: D:\APP\ADMINISTRATOR\ORADATA\Nxff\REDO01.LOG
Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xC] [PC:0x7FF77DBBF2F8, kdxlin()+4824]
Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\trace\xff_ora_4880.trc  (incident=131240):
ORA-07445: ??????: ???? [kdxlin()+4824] [ACCESS_VIOLATION] [ADDR:0xC] [PC:0x7FF77DBBF2F8] [UNABLE_TO_READ] []
Incident details in: D:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\incident\incdir_131240\xff_ora_4880_i131240.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
2025-09-27T13:45:36.386177+08:00
Dumping diagnostic data in directory=[cdmp_20250927134536],requested by(instance=1,osid=4880),summary=[incident=131240]
2025-09-27T13:45:39.745686+08:00
PMON (ospid: ): terminating the instance due to ORA error 
2025-09-27T13:45:39.745686+08:00
Cause - 'Instance is being terminated due to fatal process death (pid: 33, ospid: 4880, )'
2025-09-27T13:45:39.745686+08:00
System state dump requested by (instance=1, osid=4652 (PMON)), summary=[abnormal instance termination].
System State dumped to trace file D:\APP\ADMINISTRATOR\diag\rdbms\xff\xff\trace\xff_diag_4696.trc
2025-09-27T13:45:44.013452+08:00
Instance terminated by PMON, pid = 4652

这次运气爆棚,直接尝试recover database,然后open库成功,完成数据库恢复任务
QQ20250927-154901

检查数据库没有发现其他问题,完成本次恢复业务

ORA-07445: exception encountered: core dump [kdxlin()+4088]处理

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联系：手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题：ORA-07445: exception encountered: core dump [kdxlin()+4088]处理

作者：惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

abort方式关闭数据库，启动报错

Tue Sep 19 21:52:56 2023
NOTE: dependency between database orcl and diskgroup resource ora.DATA.dg is established
Tue Sep 19 21:52:57 2023
Reconfiguration 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 out
Tue Sep 19 21:52:57 2023
Tue Sep 19 21:52:57 2023
 LMS 3: 0 GCS shadows cancelled, 0 closed, 0 Xw survived
Tue 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 survived
Tue 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 resources
Reconfiguration complete
Tue Sep 19 21:53:05 2023
Errors 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.trc
Use 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之后，尝试recover数据库报错ORA-600 3020和ORA-07445 kdxlin等错误

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, file
offset is 4268777472 bytes)
ORA-10564: tablespace XIFENFEI
ORA-01110: data file 41: '+DATA/orcl/datafile/xifenfei07.dbf'
ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK'

Wed Sep 20 00:15:00 2023
ALTER DATABASE RECOVER  database  
Media Recovery Start
 started logmerger process
Parallel Media Recovery started with 64 slaves
Wed Sep 20 00:15:02 2023
Recovery of Online Redo Log: Thread 2 Group 6 Seq 67008 Reading mem 0
  Mem# 0: +DATA/orcl/onlinelog/group_6.268.942097791
Recovery of Online Redo Log: Thread 1 Group 2 Seq 81767 Reading mem 0
  Mem# 0: +DATA/orcl/onlinelog/group_2.262.942097651
Recovery of Online Redo Log: Thread 1 Group 5 Seq 81768 Reading mem 0
  Mem# 0: +DATA/orcl/onlinelog/group_5.263.942097651
Wed Sep 20 00:15:08 2023
Hex dump of (file 41, block 3142531) in trace file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_pr1m_45463.trc
Reading 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.trc
Wed Sep 20 00:15:08 2023
Exception [type: SIGSEGV, Address not mapped to object][ADDR:0xC] [PC:0x95FB582, kdxlin()+4088][flags: 0x0,count:1]
Wed Sep 20 00:15:08 2023
Exception [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

尝试随机恢复文件，也遭遇ORA-07445 kdxlin异常

SQL> recover datafile 34;
ORA-00283: recovery session canceled due to errors
ORA-10562: Error occurred while applying redo to data block (file# 34, block#
1999809)
ORA-10564: tablespace XIFENFEI
ORA-01110: data file 34: '+DATA/orcl/datafile/xifeifenfei06'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 97961
ORA-00607: Internal error occurred while making a change to a data block
ORA-00602: internal programming exception
ORA-07445: exception encountered: core dump [kdxlin()+4088] [SIGSEGV]
[ADDR:0xC] [PC:0x95FB582] [Address not mapped to object] []

出现这种情况是由于redo和数据文件块不一致导致无法正常应用日志,人工对于异常的block进行处理,数据库open成功,然后遭遇undo回滚段异常,对其进行规避,数据库open并且稳定运行