Microsoft KB Archive/316466

= CMC interrupts are not successfully disabled in Windows XP =

Article ID: 316466

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Professional for Itanium-based systems
 * Microsoft Windows XP Professional for Itanium-based systems

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This article was previously published under Q316466





SYMPTOMS
When Microsoft Windows XP tries to disable corrected machine check (CMC) interrupts, the value of the cmcv register may be incorrectly set. In this scenario, CMC interrupts are not successfully disabled.



Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Windows XP 32-bit versions
  Date         Time   Version            Size    File name 05-Jun-2002 22:52  5.1.3590.30       102,528  Hal.dll

Windows XP 64-bit versions
  Date         Time   Version            Size    File name 05-Jun-2002 22:52  5.1.3590.30       336,128  Hal.dll     IA-64



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbbug kbfix kbqfe kbhotfixserver KB316466

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