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FAQ ON "GES: potential blocker" MESSAGES IN ALERT LOG (Doc ID 728523.1)

Last updated on JUNE 10, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.1.0.7 [Release 10.1 to 11.1]
Oracle Database Cloud Schema 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Purpose

Provide more information on "GES: Potential Blocker" messages in RAC instance alert logs.
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Questions and Answers

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In this Document
Purpose
Questions and Answers
 What do the "GES: potential blocker" messages in the alert log mean?
 What can I do about them?
 When should I contact support?
 How to investigate a "GES: Potential blocker" message on TX or TM resource?
 What should I provide support when contacting about "GES: potential blocker" messages on non-TX resources?
 Do the "GES: potential blocker" messages cause or indicate danger of crash, database corruption, or memory corruption? If not, can we just ignore them?
References

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