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Instance Crashing With ORA-600 [kcbo_switch_mq_bg_3] (Doc ID 1493290.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
Information in this document applies to any platform.


One of the DBW processes crashes with:

ORA-00600: internal error code, arguments: [kcbo_switch_mq_bg_3], [662], [155684856], [0], [], [], [], [], [], [], [], []

Review of the generated tracefiles reveals a call stack similar to:

... <- kcbo_switch_mq_bg1 <- kcbkubc <- kcbbic1 <- kcbbiop <- kcbbdrv <- ksbabs <- ksbrdp <- opirip <- ...


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