session一直等待kksfbc child completion事件

最新推荐文章于 2021-04-07 15:41:33 发布

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最新推荐文章于 2021-04-07 15:41:33 发布

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HP-UX 11.31

Oracle 10.2.0.1 RAC

其中一个session的等待事件一直为kksfbc child completion，查询了一下，有可能是个BUG

Bug 6795880，相关的doc id为：6795880.8

A session may go into an infinite spin just after a wait for 'kksfbc child completion'. The spin occurs with a stack including kksSearchChildList -> kkshgnc where kksSearchChildList loops forever.
This problem can also lead to internal error such as any of
ORA-600 [kksSearchChildList1], ORA-600 [kksSearchChildList2]
ORA-600 [kksSearchChildList3], ORA-600 [kkshgnc-nextchild]
Note:
Fixes for this bug in 10g and 11gR1 are disabled by default.
To enable this fix you must explicitly set the following parameter for instance startup:
"_cursor_features_enabled" = 10

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