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Blue/Black Screen (BSOD) occurs displaying the heading: IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high.

Troubleshooting


Problem

This technote identifies an issue that can occur where performing various IBM® Rational® ClearCase® (CC) operations results in a Blue/Black screen (BSOD) with the heading: []IRQL_NOT_LESS_OR_EQUAL (a) An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high [], on hosts where Microsoft Forefront or Symantec 10.2 are installed.

Symptom

When performing various ClearCase operations such as checkout, save a view private file, etc., you receive a Blue/Black screen (BSOD) with the following heading:

IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high.

This error may occur under either of the following circumstances:

  • Microsoft Forefront is installed on the machine.
  • Symantec 10.2 is installed on the machine (which is non-Vista).

[{"Product":{"code":"SSSH27","label":"Rational ClearCase"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"MVFS","Platform":[{"code":"PF033","label":"Windows"}],"Version":"7.0.1.1;7.0.1;7.0.0.2;7.0.0.1;7.0;2003.06.16;2003.06.00","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
29 September 2018

UID

swg21312829

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