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

ORA-07445: exception encountered: core dump [kglic0()+774] 数据库版本： Oracle 11.2.0. 3 .0 数据库服务器操作系统： Windows server 2008 问题现象： 数据库实例自动关闭，后台alert日志报错如下 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 ...... 问题分析： 查看MOS，和BUG 13550185 特别吻合； 但是MOS 已经不提供 Windows 平台的 Patch 13550185 解决方案： Add init parameter _kghdsidx_count = 1  and restart database. ORA-7445 [kglic0] (文档 ID 1321840.1) Bug 13550185 - Hang / SGA memory corruption / ORA-7445 [kglic0] when using multiple shared pool subpools - superseded ( 文档 ID 13550185.8) 欢迎关注我的微信公众号"IT小Chen"，共同学习，共同成长！！！