Lck0 Self-Deadlock Causes Processes Hang on Row Cache Lock
(Doc ID 2179004.1)
Last updated on JUNE 23, 2021
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
- Alert log may report the following message:
The same lock is on both pending Q and granted Q, it's a self-deadlock on lck0 process.
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