ORA-07445: exception encountered: core dump [kglic0()+774]

ORA-07445: exception encountered: core dump [kglic0()+774]

資料庫版本： Oracle 11.2.0. 3 .0

資料庫伺服器作業系統： Windows server 2008

問題現象： 資料庫例項自動關閉，後臺alert日誌報錯如下

ORA-07445: exception encountered: core dump [kglic0()+774] [ACCESS_VIOLATION] [ADDR:0x31] [PC:0x114E8B8] [UNABLE_TO_READ] []

Incident details in: E:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\incident\incdir_2935371\orcl_m001_3404_i2935371.trc

......

PMON failed to acquire latch, see PMON dump

Sat Jul 16 10:02:38 2016

Errors in file E:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\trace\orcl_smco_4580.trc  (incident=2934523):

ORA-00445: background process "W004" did not start after 120 seconds

Incident details in: E:\APP\ADMINISTRATOR\diag\rdbms\orcl\orcl\incident\incdir_2934523\orcl_smco_4580_i2934523.trc

Sat Jul 16 10:03:32 2016

PMON failed to acquire latch, see PMON dump

Sat Jul 16 10:05:00 2016

PMON failed to acquire latch, see PMON dump

Sat Jul 16 10:06:03 2016

......

問題分析：

檢視MOS，和BUG 13550185 特別吻合；

但是MOS 已經不提供 Windows 平臺的 Patch 13550185

解決方案：

Add init parameter _kghdsidx_count = 1  and restart database.

ORA-7445 [kglic0] (文件 ID 1321840.1)

Bug 13550185 - Hang / SGA memory corruption / ORA-7445 [kglic0] when using multiple shared pool subpools - superseded ( 文件 ID 13550185.8)

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