在数据库恢复遭遇ORA-07445 kgegpa错误

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标题：在数据库恢复遭遇ORA-07445 kgegpa错误

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接到客户恢复请求,数据库启动报ORA-600 2662错误

Fri Apr 24 19:52:58 2020
alter database open resetlogs
RESETLOGS is being done without consistancy checks. This may result
in a corrupted database. The database should be recreated.
RESETLOGS after incomplete recovery UNTIL CHANGE 15491509441794
Resetting resetlogs activation ID 1460987657 (0x5714e709)
Fri Apr 24 19:52:59 2020
Setting recovery target incarnation to 3
Fri Apr 24 19:52:59 2020
Assigning activation ID 1566342598 (0x5d5c7dc6)
Thread 1 opened at log sequence 1
  Current log# 1 seq# 1 mem# 0: Y:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO01.LOG
Successful open of redo thread 1
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Fri Apr 24 19:52:59 2020
SMON: enabling cache recovery
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_ora_3860.trc  (incident=8561):
ORA-00600: 内部错误代码, 参数: [2662], [3606], [3857372426], [3606], [3857377059], [12583040], [], [], [], [], [], []
Incident details in: d:\app\administrator\diag\rdbms\orcl\orcl\incident\incdir_8561\orcl_ora_3860_i8561.trc
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_ora_3860.trc:
ORA-00600: 内部错误代码, 参数: [2662], [3606], [3857372426], [3606], [3857377059], [12583040], [], [], [], [], [], []
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_ora_3860.trc:
ORA-00600: 内部错误代码, 参数: [2662], [3606], [3857372426], [3606], [3857377059], [12583040], [], [], [], [], [], []
Error 600 happened during db open, shutting down database
USER (ospid: 3860): terminating the instance due to error 600
Instance terminated by USER, pid = 3860
ORA-1092 signalled during: alter database open resetlogs...

这个错误比较常见,通过对数据库scn进行调整,顺利规避该错误,继续启动报如下错误

SQL> startup mount pfile='d:/pfile.txt';
ORACLE 例程已经启动。

Total System Global Area 1.3696E+10 bytes
Fixed Size                  2188768 bytes
Variable Size            6878661152 bytes
Database Buffers         6777995264 bytes
Redo Buffers               37044224 bytes
数据库装载完毕。
SQL> alter database open;
alter database open
*
第 1 行出现错误:
ORA-03113: 通信通道的文件结尾
进程 ID: 5884
会话 ID: 66 序列号: 3

Fri Apr 24 20:57:49 2020
SMON: enabling cache recovery
Successfully onlined Undo Tablespace 2.
Dictionary check beginning
Dictionary check complete
Verifying file header compatibility for 11g tablespace encryption..
Verifying 11g file header compatibility for tablespace encryption completed
SMON: enabling tx recovery
Database Characterset is ZHS16GBK
No Resource Manager plan active
Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0x898ADE43] [PC:0x9287D88, kgegpa()+38]
Dump file d:\app\administrator\diag\rdbms\orcl\orcl\trace\alert_orcl.log
Fri Apr 24 20:57:49 2020
ORACLE V11.2.0.1.0 - 64bit Production vsnsta=0
vsnsql=16 vsnxtr=3
Windows NT Version V6.1  
CPU                 : 16 - type 8664, 16 Physical Cores
Process Affinity    : 0x0x0000000000000000
Memory (Avail/Total): Ph:21429M/32767M, Ph+PgF:54255M/65533M 
Fri Apr 24 20:57:49 2020
Errors in file 
ORA-07445: caught exception [ACCESS_VIOLATION] at [kgegpa()+38] [0x0000000009287D88]
Fri Apr 24 20:57:52 2020
PMON (ospid: 2496): terminating the instance due to error 397
Instance terminated by PMON, pid = 2496

这里的主要错误是由于ORA-07445 kgegpa,根据以前恢复经验,该问题很可能和undo有关,对undo进行处理之后启动库

SQL> startup mount pfile='d:/pfile.txt' ;
ORACLE 例程已经启动。

Total System Global Area 1.3696E+10 bytes
Fixed Size                  2188768 bytes
Variable Size            6878661152 bytes
Database Buffers         6777995264 bytes
Redo Buffers               37044224 bytes
数据库装载完毕。
SQL> recover database;
完成介质恢复。
SQL> alter database open;

数据库已更改。


SMON: enabling tx recovery
Database Characterset is ZHS16GBK
SMON: Restarting fast_start parallel rollback
Fri Apr 24 21:01:28 2020
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_p000_4360.trc  (incident=13377):
ORA-00600: internal error code, arguments: [4198], [], [], [], [], [], [], [], [], [], [], []
Incident details in: d:\app\administrator\diag\rdbms\orcl\orcl\incident\incdir_13377\orcl_p000_4360_i13377.trc
Stopping background process MMNL
Doing block recovery for file 3 block 296
Resuming block recovery (PMON) for file 3 block 296
Block recovery from logseq 3, block 25 to scn 15491947056761
Recovery of Online Redo Log: Thread 1 Group 3 Seq 3 Reading mem 0
  Mem# 0: Y:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO03.LOG
Block recovery completed at rba 3.25.16, scn 3607.20090
Doing block recovery for file 6 block 165592
Resuming block recovery (PMON) for file 6 block 165592
Block recovery from logseq 3, block 33 to scn 15491947056769
Recovery of Online Redo Log: Thread 1 Group 3 Seq 3 Reading mem 0
  Mem# 0: Y:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO03.LOG
Block recovery completed at rba 3.58.16, scn 3607.20098
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_smon_4912.trc  (incident=13321):
ORA-00600: internal error code, arguments: [4198], [], [], [], [], [], [], [], [], [], [], []
Incident details in: d:\app\administrator\diag\rdbms\orcl\orcl\incident\incdir_13321\orcl_smon_4912_i13321.trc
SMON: Parallel transaction recovery slave got internal error
SMON: Downgrading transaction recovery to serial
Stopping background process MMON
Fri Apr 24 21:01:29 2020
Trace dumping is performing id=[cdmp_20200424210129]
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_smon_4912.trc  (incident=13322):
ORA-00600: internal error code, arguments: [4137], [12.30.1712324], [0], [0], [], [], [], [], [], [], [], []
Incident details in: d:\app\administrator\diag\rdbms\orcl\orcl\incident\incdir_13322\orcl_smon_4912_i13322.trc
ORACLE Instance orcl (pid = 14) - Error 600 encountered while recovering transaction (12, 30).
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_smon_4912.trc:
ORA-00600: internal error code, arguments: [4137], [12.30.1712324], [0], [0], [], [], [], [], [], [], [], []
Completed: alter database open upgrade
Fri Apr 24 21:01:30 2020
MMON started with pid=16, OS id=4980 
Fri Apr 24 21:01:31 2020
Sweep [inc][13322]: completed
Corrupt block relative dba: 0x00c395ee (file 3, block 234990)
Fractured block found during buffer read
Data in bad block:
 type: 2 format: 2 rdba: 0x00c395ee
 last change scn: 0x0e16.e5ead38b seq: 0x2b flg: 0x04
 spare1: 0x0 spare2: 0x0 spare3: 0x0
 consistency value in tail: 0xdb720232
 check value in block header: 0xebe2
 computed block checksum: 0xb60b
Reading datafile'Y:\APP\ADMINISTRATOR\ORADATA\ORCL\UNDOTBS01.DBF'for corruption at rdba: 0x00c395ee (file 3,block 234990)
Reread (file 3, block 234990) found same corrupt data
Corrupt Block Found
         TSN = 2, TSNAME = UNDOTBS1
         RFN = 3, BLK = 234990, RDBA = 12817902
         OBJN = 0, OBJD = -1, OBJECT = , SUBOBJECT = 
         SEGMENT OWNER = , SEGMENT TYPE = 
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_m001_4852.trc  (incident=13641):
ORA-01578: ORACLE data block corrupted (file # 3, block # 234990)
ORA-01110: data file 3: 'Y:\APP\ADMINISTRATOR\ORADATA\ORCL\UNDOTBS01.DBF'
Incident details in: d:\app\administrator\diag\rdbms\orcl\orcl\incident\incdir_13641\orcl_m001_4852_i13641.trc

SQL> create undo tablespace undotbs2 datafile 
2   'Y:\APP\ADMINISTRATOR\ORADATA\ORCL\undo_xff02.dbf' size 128M autoextend on;

表空间已创建。

SQL> drop tablespace undotbs1 including contents and datafiles;

表空间已删除。

SQL> shutdown immediate;
数据库已经关闭。
已经卸载数据库。
ORACLE 例程已经关闭。
SQL> create spfile from pfile='d:/pfile.txt';

文件已创建。

SQL> startup mount
ORACLE 例程已经启动。

Total System Global Area 1.3696E+10 bytes
Fixed Size                  2188768 bytes
Variable Size            6878661152 bytes
Database Buffers         6777995264 bytes
Redo Buffers               37044224 bytes
数据库装载完毕。
SQL> alter database open;

数据库已更改。

数据库启动之后继续报出来的ORA-600 4198和ORA-600 4137以及undo坏块均证明是由于undo异常引起的问题,通过重建新undo,数据库open正常,安排客户进行数据导出导入到新库