ORA-600 [KFNSMASTERWAIT01] occurs after applying PSU 11.1.0.7.1
(Doc ID 985150.1)
Last updated on JUNE 16, 2021
Applies to:
Oracle Database Backup Service - Version N/A and laterOracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.1.0.7 to 11.1.0.7 [Release 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
During a rebalance, ASM shadow process reports many error messages in ASM alert.log and returns ORA-00600 kfnsMasterWait01 exception due to pending write I/Os.
.
.
...
ERROR: Releasing group with AU enqueue for extent gn=2 disk=24 au=159818
ERROR: Releasing group with AU enqueue for extent gn=2 disk=24 au=159817
ERROR: Releasing group with AU enqueue for extent gn=2 disk=12 au=159799
ERROR: Releasing group with AU enqueue for extent gn=2 disk=19 au=44662
ERROR: Releasing group with AU enqueue for extent gn=2 disk=24 au=159813
ERROR: Releasing group with AU enqueue for extent gn=2 disk=15 au=45714
ERROR: Releasing group with AU enqueue for extent gn=2 disk=24 au=159812
Errors in file <ORACLE_BASE>/diag/asm/+asm/+ASM1/trace/+ASM1_ora_7631.trc
(incident=225329):
ORA-00600: internal error code, arguments: [kfnsMasterWait01], [2], [], [],
[], [], [], [], [], [], [], []
.
Changes
1). 11.1.0.7 RAC Bundle1 (patch: 8461420) was applied.
or,
2). PSU 11.1.0.7.1 (Patch:8833297) was applied
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |