一次幸运的ORA-07445 kdxlin故障恢复---惜分飞

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标题：一次幸运的ORA-07445 kdxlin故障恢复

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.
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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
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Started redo scan
2025-09-27T13:45:26.174177+08:00
Completed redo scan
 read 1070 KB redo, 536 data blocks need recovery
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Started redo application at
 Thread 1: logseq 2188, block 62125, offset 0
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Recovery of Online Redo Log: Thread 1 Group 1 Seq 2188 Reading mem 0
  Mem# 0: D:\APP\ADMINISTRATOR\ORADATA\Nxff\REDO01.LOG
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Completed redo application of 0.58MB
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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.
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Slave encountered ORA-10388 exception during crash recovery
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Slave encountered ORA-10388 exception during crash recovery
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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
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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
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Slave encountered ORA-10388 exception during crash recovery
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Aborting crash recovery due to slave death, attempting serial crash recovery
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Beginning crash recovery of 1 threads
 Thread 1: Recovery starting at checkpoint rba (logseq 2188 block 62125), scn 0
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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]
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PMON (ospid: ): terminating the instance due to ORA error 
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Cause - 'Instance is being terminated due to fatal process death (pid: 33, ospid: 4880, )'
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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

又一例ORA-600 kcratr_nab_less_than_odr
ORA-600 krccfl_chunk故障处理
删除redo导致ORA-00313 ORA-00312故障处理
12c启动报kcratr_nab_less_than_odr
Oracle Recovery Tools修复ORA-00742、ORA-600 ktbair2: illegal inheritance故障
ORA-600 kcratr_scan_lastbwr 恢复
ORA-07445: exception encountered: core dump [expgod()+43] [IN_PAGE_ERROR]
ORA-600 4194引起SMON encountered 100 out of maximum 100 non-fatal internal errors故障
ORA-00742 ORA-00312 故障恢复
ORA-00742: 日志读取在线程 %d 序列 %d 块 %d 中检测到写入丢失情况
RAC环境redo在各节点本地导致数据库故障恢复
ORA-01595/ORA-600 4194处理

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一次幸运的ORA-07445 kdxlin故障恢复---惜分飞

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