客戶資料庫出現頻繁的ORA-600(kssadd_stage: null parent)錯誤。

資料庫版本為10.2.0.5 RAC for AIX，報錯時詳細錯誤資訊為：

Tue Jul 17 14:57:39 2012
Errors in file /oracle/10g/admin/orcl/udump/orcl2_ora_307720.trc:
ORA-00600: internal error code, arguments: [kssadd_stage: null parent], [], [], [], [], [], [], []
Tue Jul 17 14:57:45 2012
Errors in file /oracle/10g/admin/orcl/udump/orcl2_ora_357344.trc:
ORA-00600: internal error code, arguments: [kssadd_stage: null parent], [], [], [], [], [], [], []
Tue Jul 17 14:57:56 2012
Trace dumping is performing id=[cdmp_20120717145753]
Tue Jul 17 14:58:12 2012
Trace dumping is performing id=[cdmp_20120717145823]
Tue Jul 17 15:05:53 2012
Trace dumping is performing id=[cdmp_20120717150633]
Tue Jul 17 15:06:42 2012
Errors in file /oracle/10g/admin/orcl/udump/orcl2_ora_94700.trc:
ORA-00600: internal error code, arguments: [kssadd_stage: null parent], [], [], [], [], [], [], []
Tue Jul 17 15:06:43 2012
Trace dumping is performing id=[cdmp_20120717150643]

相關的TRACE檔案資訊如下：

/oracle/10g/admin/orcl/udump/orcl2_ora_111068.trc
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
ORACLE_HOME = /oracle/10g/db
System name:    AIX
Node name:      ora2
Release:        1
Version:        6
Machine:        00CCFD354C00
Instance name: orcl2
Redo thread mounted by this instance: 2
Oracle process number: 89
Unix process pid: 111068, image: oracle@ora2

*** ACTION NAME:() 2012-07-17 15:08:42.043
*** MODULE NAME:(gsr.exe) 2012-07-17 15:08:42.043
*** SERVICE NAME:(orcl) 2012-07-17 15:08:42.043
*** SESSION ID:(991.44140) 2012-07-17 15:08:42.043
*** 2012-07-17 15:08:42.043
ksedmp: internal or fatal error
ORA-00600: internal error code, arguments: [kssadd_stage: null parent], [], [], [], [], [], [], []
No current SQL statement being executed.
----- Call Stack Trace -----
calling              call     entry                argument values in hex
location             type     point                (? means dubious value)
-------------------- -------- -------------------- ----------------------------
ksedst+001c          bl       ksedst1              40D1A9663F9E7ABB ?
                                                   6ED89E14D59386B5 ?
ksedmp+0290          bl       ksedst               104A2CDB0 ?
ksfdmp+0018          bl       03F2735C
kgerinv+00dc         bl       _ptrgl
kgeasnmierr+004c     bl       kgerinv              11041D938 ? 700000220FFBFC8 ?
                                                   110000770 ? 7000004FDF0C700 ?
                                                   FFFFFFFFFFF89C0 ?
kssadd_stage+0080    bl       kgeasnmierr          110195490 ? 110450040 ?
                                                   104AC46B8 ? 000000000 ?
                                                   000000000 ? 000000000 ?
                                                   000000000 ? 7000004F0FA9208 ?
kqreqa+0058          bl       kssadd_stage         105670038 ? 104CF7BA0 ?
                                                   000000000 ? 000000000 ?
kqrpre1+0850         bl       kqreqa               100203514 ? 1101A2B20 ?
kqrpre+001c          bl       kqrpre1             710000770 ? 000000009 ?
                                                   FFFFFFFFFFF9088 ?
                                                   28A4202200000000 ?
                                                   10012AEE4 ? FFFFFFFFFFF9080 ?
                                                   000000000 ? 11022A3E0 ?
opiosq0+009c         bl       kqrpre               000000000 ? 000000000 ?
                                                   000000000 ? 1101A2B20 ?
                                                   FFFFFFFFFFF9198 ? 1104B7C60 ?
                                                   FFFFFFFFFFF9458 ?
kpooprx+0168         bl       opiosq0              4A00000001 ? 000000001 ?
                                                   000000000 ? A40000000000FF ?
kpoal8+0400          bl       kpooprx              FFFFFFFFFFFB964 ?
                                                   FFFFFFFFFFFB680 ?
                                                   5000000050 ? 100000001 ?
                                                   000000000 ? A40000000000A4 ?
                                                   000000000 ? 1103A1AD8 ?
opiodr+0ae0          bl       _ptrgl
ttcpip+1020          bl       _ptrgl
opitsk+1124          bl       01F971E8
opiino+0990          bl       opitsk               000000000 ? 000000000 ?
opiodr+0ae0          bl       _ptrgl
opidrv+0484          bl       01F96034
sou2o+0090           bl       opidrv               3C02D9A29C ? 4A006E298 ?
                                                   FFFFFFFFFFFF8A0 ?
opimai_real+01bc     bl       01F939B4
main+0098            bl       opimai_real          000000000 ? 000000000 ?
__start+0070         bl       main                 000000000 ? 000000000 ?

--------------------- Binary Stack Dump ---------------------

根據MOS文件Bug 4937225 ORA-22 from OCIStmtExecute after OCISessionBegin的描述，這是個客戶端OCI出現的bug，問題發生在10.2.0.3以下版本的客戶端連線到高版本資料庫的情況，確認影響的版本為10.2.0.2，Oracle在10.2.0.3和11.1.0.6中FIXED了該bug。

當前資料庫版本為10.2.0.5但是這個問題是發生在客戶端，而發生問題的客戶端版本為10.2.0.1，因此導致這個錯誤的產生就不奇怪了，透過升級客戶端資料庫版本到10.2.0.3以上可以解決該錯誤。

ORA-600(kssadd_stage: null parent)錯誤

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