NMI Blue Screen May Become Garbled Under Certain Instances

 Last reviewed: January 8, 1998
Article ID: Q174830
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0

SYMPTOMS

A non-maskable interrupt (NMI) blue screen message may become garbled and unreadable under Windows NT version 4.0 if a second NMI were to occur while the first is being handled.

CAUSE

The way the NMI was handled, it would allow a second NMI to occur, which would cause an error message to occur and trash the original NMI blue screen message.

RESOLUTION

To resolve this problem, obtain the following fix or wait for the next Windows NT service pack.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. A supported fix is now available, but has not been fully regression tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information. 

Keywords          : kbbug4.00 kbfix4.00 NTSrvWkst ntstop
Version           : WinNT:4.0
Platform          : winnt
Hardware          : x86
Issue type        : kbbug
Solution Type     : kbfix

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Last reviewed: January 8, 1998
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