Instance Crashing With ORA-600 [kcbo_switch_mq_bg_3]
(Doc ID 1493290.1)
Last updated on FEBRUARY 28, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.1 [Release 10.2 to 11.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
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 <- ...
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |