一例正常运行的数据库突然节点不停重启(因为是rac,启动一会儿就crash,然后又被crs给启动起来,然后有crash,依次循环),告警日志类似:

Fri Mar 24 13:36:07 2023
QMNC started with pid=124, OS id=188397 
ARC3: Archival started
ARC0: STARTING ARCH PROCESSES COMPLETE
Completed: ALTER DATABASE OPEN
Fri Mar 24 13:36:08 2023
minact-scn: Inst 1 is now the master inc#:2 mmon proc-id:188028 status:0x7
minact-scn status: grec-scn:0x0000.00000000 gmin-scn:0x0000.00000000 gcalc-scn:0x0000.00000000
Fri Mar 24 13:36:08 2023
Starting background process CJQ0
Fri Mar 24 13:36:08 2023
CJQ0 started with pid=144, OS id=188451 
Fri Mar 24 13:36:09 2023
Redo thread 2 internally disabled at seq 44406 (CKPT)
Archived Log entry 135343 added for thread 2 sequence 44405 ID 0xcd7086e0 dest 1:
ARC0: Archiving disabled thread 2 sequence 44406
Archived Log entry 135344 added for thread 2 sequence 44406 ID 0xcd7086e0 dest 1:
Thread 1 advanced to log sequence 40030 (LGWR switch)
  Current log# 2 seq# 40030 mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Archived Log entry 135345 added for thread 1 sequence 40029 ID 0xcd7086e0 dest 1:
Fri Mar 24 13:36:30 2023
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082418):
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082418/xff1_p200_188856_i1082418.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:36:30 2023
Dumping diagnostic data in directory=[cdmp_20230324133630], requested by (instance=1, osid=188856 (P200)), summary=[incident=1082418].
Fri Mar 24 13:36:54 2023
Decreasing number of real time LMS from 6 to 0
Fri Mar 24 13:36:54 2023
Block recovery from logseq 40030, block 259 to scn 17199959182
Recovery of Online Redo Log: Thread 1 Group 2 Seq 40030 Reading mem 0
  Mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Block recovery stopped at EOT rba 40030.317.16
Block recovery completed at rba 40030.317.16, scn 4.20089998
Exception [type: SIGSEGV, SI_KERNEL(general_protection)] [ADDR:0x0] [PC:0x97E8579, kghrst()+1835] [flags: 0x0, count: 1]
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082419):
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082419/xff1_p200_188856_i1082419.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082420):
ORA-00600: internal error code, arguments: [17147], [0x7F4D2A13DBD0], [], [], [], [], [], [], [], [], [], []
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082420/xff1_p200_188856_i1082420.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082421):
ORA-00600: internal error code, arguments: [kghfrempty:ds], [0x7F4D2A13DBE8], [], [], [], [], [], [], [], [], [], []
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082421/xff1_p200_188856_i1082421.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:36:56 2023
Dumping diagnostic data in directory=[cdmp_20230324133656], requested by (instance=1, osid=188856 (P200)), summary=[incident=1082420].
SMON: Restarting fast_start parallel rollback
Fri Mar 24 13:37:12 2023
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p000_188229.trc  (incident=1080530):
ORA-00600: internal error code, arguments: [17182], [0x7F3AB22ADBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080530/xff1_p000_188229_i1080530.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:37:12 2023
Dumping diagnostic data in directory=[cdmp_20230324133712], requested by (instance=1, osid=188229 (P000)), summary=[incident=1080530].
Fri Mar 24 13:37:24 2023
Block recovery from logseq 40030, block 259 to scn 17199959182
Recovery of Online Redo Log: Thread 1 Group 2 Seq 40030 Reading mem 0
  Mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Block recovery completed at rba 40030.317.16, scn 4.20089999
Fri Mar 24 13:37:37 2023
Exception [type: SIGSEGV, SI_KERNEL(general_protection)] [ADDR:0x0] [PC:0x97E8579, kghrst()+1835] [flags: 0x0, count: 1]
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p000_188229.trc  (incident=1080531):
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F3AB22ADBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080531/xff1_p000_188229_i1080531.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:37:37 2023
Dumping diagnostic data in directory=[cdmp_20230324133737], requested by (instance=1, osid=188229 (P000)), summary=[incident=1080531].
Fri Mar 24 13:38:16 2023
SMON: slave died unexpectedly, downgrading to serial recovery
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_smon_188020.trc  (incident=1080418):
ORA-00600: internal error code, arguments: [17182], [0x7F9184B445C0], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080418/xff1_smon_188020_i1080418.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Block recovery from logseq 40030, block 259 to scn 17199959182
Recovery of Online Redo Log: Thread 1 Group 2 Seq 40030 Reading mem 0
  Mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Block recovery completed at rba 40030.317.16, scn 4.20089999
ORACLE Instance xff1 (pid = 56) - Error 600 encountered while recovering transaction (10, 26) on object 242112.
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_smon_188020.trc:
ORA-00600: internal error code, arguments: [17182], [0x7F9184B445C0], [], [], [], [], [], [], [], [], [], []
Fri Mar 24 13:38:17 2023
Dumping diagnostic data in directory=[cdmp_20230324133817], requested by (instance=1, osid=188020 (SMON)), summary=[incident=1080418].
Exception [type: SIGSEGV, SI_KERNEL(general_protection)] [ADDR:0x0] [PC:0x97E8579, kghrst()+1835] [flags: 0x0, count: 1]
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_smon_188020.trc  (incident=1080419):
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F9184B445C0], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080419/xff1_smon_188020_i1080419.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:38:20 2023
PMON (ospid: 187888): terminating the instance due to error 474
System state dump requested by (instance=1, osid=187888 (PMON)), summary=[abnormal instance termination].
System State dumped to trace file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_diag_187902_20230324133820.trc
Fri Mar 24 13:38:21 2023
ORA-1092 : opitsk aborting process
Dumping diagnostic data in directory=[cdmp_20230324133820], requested by (instance=1, osid=187888 (PMON)), summary=[abnormal instance termination].
Instance terminated by PMON, pid = 187888

这类的故障在多年前处理过几次
ORA-600 17182导致oracle异常
ORA-00600[17182],ORA-00600[25027],ORA-00600[kghfrempty:ds]故障处理
这个故障的原因是由于block逻辑损坏,实例无法正常做回滚恢复,从而异常.处理异常回滚问题,就可以规避掉数据库启动后一会儿就crash问题.