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ORA-00600 [ktmcvfynoWtrs] can happen on Wnnn process and might block any other sesssions on 'IM buffer busy' (Doc ID 2505408.1)

Last updated on OCTOBER 21, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

On 12.1.0.2 version, the below error occurs on Wnnn process:

Note: The Wnnn process which reported ora-600 [ktmcvfynoWtrs] might not quit after the internal error, it might hang on 'IM buffer busy' and block any other sessions.

Changes

 IMDB was enabled.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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