Microsoft KB Archive/929909

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Article ID: 929909

Article Last Modified on 8/29/2007


  • Windows Vista Ultimate
  • Windows Vista Starter
  • Windows Vista Home Premium
  • Windows Vista Home Basic
  • Windows Vista Enterprise
  • Windows Vista Business 64-bit Edition
  • Windows Vista Business
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition


A Windows Vista-based computer that uses a Mobile Intel 945GM Express Chipset may occasionally not wake from sleep. This problem may occur about one time for every ten times that you try to resume the computer from sleep.


This problem occurs because of a race condition in the ATAportDeviceBusy function. The ATA miniport driver uses the ATAportDeviceBusy function to pause the device queues of the ATAport driver. When the race condition occurs, the queue can remain paused. This behavior causes the computer to stop responding.

This problem occurs if the computer is using the Microsoft Advanced Host Controller Interface (AHCI) chipset driver. The problem does not occur if the computer is using the Intel AHCI chipset driver.


Hotfix information

A supported hotfix is now 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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

File information

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.

File name File version File size Date Time Platform
Aliide.sys 17,592 08-Jan-2007 06:14 x86
Amdide.sys 6.0.6000.20509 18,104 08-Jan-2007 06:14 x86
Atapi.sys 6.0.6000.20509 21,688 08-Jan-2007 06:15 x86
Ataport.sys 6.0.6000.20509 109,752 08-Jan-2007 06:17 x86
Cmdide.sys 19,128 08-Jan-2007 06:15 x86
Intelide.sys 6.0.6000.20509 17,592 08-Jan-2007 06:14 x86
Msahci.sys 6.0.6000.20509 25,784 08-Jan-2007 06:15 x86
Pciide.sys 6.0.6000.20509 16,056 08-Jan-2007 06:14 x86
Pciidex.sys 6.0.6000.20509 45,240 08-Jan-2007 06:16 x86
Update.mum Not Applicable 2,023 08-Jan-2007 15:31 Not Applicable
Viaide.sys 5.1.3790.150 20,152 08-Jan-2007 06:15 x86
X86_mshdc.inf_31bf3856ad364e35_6.0.6000.20509_none_dbe4850d3d78c736.manifest Not Applicable 5,818 08-Jan-2007 15:32 Not Applicable
Windows Vista, 64-bit versions
File name File version File size Date Time Platform
Aliide.sys 18,616 08-Jan-2007 09:50 x64
Amd64_mshdc.inf_31bf3856ad364e35_6.0.6000.20509_none_38032090f5d6386c.manifest Not Applicable 5,820 08-Jan-2007 16:17 Not Applicable
Amdide.sys 6.0.6000.20509 18,616 08-Jan-2007 09:50 x64
Atapi.sys 6.0.6000.20509 22,712 08-Jan-2007 09:50 x64
Ataport.sys 6.0.6000.20509 124,088 08-Jan-2007 09:52 x64
Cmdide.sys 20,664 08-Jan-2007 09:50 x64
Intelide.sys 6.0.6000.20509 19,128 08-Jan-2007 09:50 x64
Msahci.sys 6.0.6000.20509 27,320 08-Jan-2007 09:50 x64
Pciide.sys 6.0.6000.20509 16,056 08-Jan-2007 09:50 x64
Pciidex.sys 6.0.6000.20509 51,384 08-Jan-2007 09:51 x64
Update.mum Not Applicable 2,023 08-Jan-2007 15:31 Not Applicable
Viaide.sys 5.1.3790.150 20,664 08-Jan-2007 09:50 x64


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


For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

For more information, 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.

Keywords: kbbug kbfix kbqfe kbprb kbexpertiseinter kbhotfixserver KB929909