Shutdown Normal or Immediate Hang Waiting for MMON process
(Doc ID 1183213.1)
Last updated on JANUARY 07, 2025
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.1 [Release 11.2]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.
Symptoms
Shutdown immediate/normal hangs. If the startup is restricted, then the shutdown immediate works fine.
- In the alert.log can be seen that shutdown is waiting for MMON and its secondary processes to be terminated:
- In the database any SELECT that is accessing V$OSSTAT will hang.
Changes
Upgrade to release 11.2.0.1.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |