ORA-00600: internal error code, arguments: [kcbgcur_3] 问题诊断

ORA-00600[kcbnew_3] [a] [b] [c] 是Oracle 9i 9.2之后引入的新的块检测机制。一个存有数据块的cache buffer在被重用的过程中，buffer的状态为state且数据为temp或undo。 oracle一致性检查比较了buffer header的block class和传递给调用者的block class并发现不一致。

ORA-00600: internal error code, arguments: [kcbgcur_3]

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ORA-00600[kcbnew_3]的三个参数随着版本的不同有几种解释：

oracle 11.1和之后：

[a] 内存循环计数器，实际是新初始的块的数目

[b]代码层面访问该cache的object id

[c] flag定义该buffer使用的特点

oracle 10.1 和 10.2中：

[a]  内存循环计数器，实际是新初始的块的数目

[b] buffer class

[c] 代码层面访问该cache的object id

Oracle 9.2中：

[a]  buffer class

该ORA-600 [kcbnew_3] 属于内核内存buffer管理使用，其影响可能导致进程失败、SQL执行失败，但不会造成2次数据损坏

NB Bug Fixed Description
12391183 11.2.0.3,
12.1.0.0 ORA-600 [kcbnew_3] with "_db_fast_obj_truncate"=false
11902008 12.1.0.0 SMON may crash with ORA-00600 [kcbgcur_3] or ORA-600
[kcbnew_3] during Transaction recovery
9275027 11.2.0.2,
12.1.0.0 ORA-600 [kcbnew_3] can occur after TRUNCATE / DROP
9456964 11.2.0.2 OERI[kcbnew_3] after shrinking an IOT and reusing the blocks
freed by shrink
6970071 10.2.0.5,
11.2.0.1 ORA-600 [kcbnew_3] when recyclebin is active
6730125
10.2.0.5,
11.1.0.7,
11.2.0.1
OERI[kcbnew_3] during instance recovery
6079038 10.2.0.5,
11.2.0.1
Internal Errors from DML with error logging / batch errors
against partitioned table
* 6017420 10.2.0.4,
11.1.0.6 OERI[kcbo_link_q_1] / crash with fix for bug 5454831 installed
5558244 10.2.0.4,
11.1.0.6 OERI[kcbnew_3] can occur
5303237 11.1.0.6 ORA-600 [kcbgtcr_5] during create queue table
5218905 10.2.0.4,
11.1.0.6 OERI[kcbnew_3] when segment advisor has been used
+ 4430244 10.2.0.4,
11.1.0.6
Segment advisor can load blocks of dropped objects into buffer
cache (KCB OERI errors)
+ 5523799 Various OERI (eg kcbgtcr_12) using ASSM managed segments -
superceded
5718371 10.1.0.2 OERI[kcbgtcr_12] / [kcbnew_3] from concurrent CTAS and
DROP TABLE
* 3785200 9.2.0.6, 10.1.0.2 Corruption possible in automatic space managed segments
3085651 9.2.0.5, 10.1.0.2 Table corruption / OERI after TRUNCATE on ASSM table with
NESTED TABLE cols
2768278 9.2.0.4, 10.1.0.2 OERI[KCBNEW_3] possible after DROP of 8i segment in locally
managed tablespace
2747978 9.2.0.4, 10.1.0.2 OERI[KCBNEW_3] after resize of locally managed tablespace
2406802 9.2.0.2 OERI[kcbgtcr_3] / OERI[kcbcxx_1] after DROP TABLE in locally
managed tablespace
2414972 9.2.0.2 OERI:[kcbnew_3]/OERI:[kcbgtcr_3] after resize in LOCALLY
MANAGED tablespace