Windows 8-based computer freezes when you resume the computer from sleep mode

Applies to: Windows 8Windows 8 EnterpriseWindows 8 Pro

Symptoms


Assume that x2APIC mode and Intel Virtualization Technology for Directed I/O (VT-d) are enabled in the BIOS on a computer that is running an x64-based version of Windows 8. When you resume the computer from sleep mode (system power state S3), the computer freezes.

Note When you resume the computer from sleep mode, corruption occurs on the lowest 1 MB of physical memory.

Cause


This issue occurs because the interrupt controller is not initialized before the EtwWrite function is called.

Resolution


Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running an x64-based version of Windows 8.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.


Workaround


To work around the issue, disable VT-d. 

Note When VT-d is disabled, Windows cannot enable x2APIC mode.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information


For more information about the x2APIC architecture, click the following link to view the document: For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.