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ClearCase option to compare with previous version results in BSOD



This technote identifies an issue that can occur where comparing with previous version in IBM Rational ClearCase (CC) results in a Blue Screen (BSOD) when Entrust Group Share 1.0 or 1.0.1 is installed.


Using the Compare with previous version option in ClearCase results in a BSOD. 


Entrust Group Share 1.0 or 1.01  is installed on the system.  This software uses a minifilter driver.

This issue has been identified as a product defect under APAR PK51651.

Diagnosing The Problem

The stack trace error is:


The current thread is making a bad pool request.  Typically this is at a bad IRQL level or double freeing the same allocation, etc.

Resolving The Problem

Defect APAR PK51651 has been resolved in ClearCase and

No workaround is available.

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Document Information

Modified date:
16 June 2018