Computer Hangs with Intensive 16-bit Code Running in a VDM

Last reviewed: November 10, 1997
Article ID: Q174234

The information in this article applies to:

- Microsoft Windows NT Workstation version 4.0 - Microsoft Windows NT Server version 4.0

SYMPTOMS

Users with multiprocessor computers may see their computer lock up completely when 16-bit operations are causing a heavy load on the system. The intensive 16-bit code running in a Virtual Dos Machine (VDM) causes all the processors to be in a waiting state trying to get or release a spinlock.

RESOLUTION

To resolve this problem, obtain the hotfix below, or wait for the next 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.

Additional query words: multi-processor multi processor multiple processor
Keywords : kbbug4.00 kbfix4.00 nt16ap NTSrvWkst
Version : WinNT:4.0
Platform : winnt
Hardware : ALPHA PPC x86
Issue type : kbbug
Solution Type : kbfix

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Last reviewed: November 10, 1997
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