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Symptoms

On a computer that is running Windows 7 or Windows Server 2008 R2, you receive a Stop error message that resembles the following:

STOP: 0x0000000A (parameter1, parameter2, parameter3, parameter4) IRQL_NOT_LESS_OR_EQUAL



After you receive this Stop error message, the computer restarts automatically.

Note Not all 0x0000000A Stop errors are caused by this problem.

Cause

This problem occurs because of a race condition that occurs in the Dxgmms1.sys module. When the race condition occurs, the module tries to access an object that is already freed. Therefore, the module accesses an invalid memory address.

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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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, go to the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote 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 have Service Pack 1 for Windows 7 or Windows Server 2008 R2 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information notesImportant Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    Version

    Product

    SR_Level

    Service branch

    6.1.760
    1.
    22xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Dxgkrnl.sys

6.1.7601.22381

729,536

10-Jul-13

4:33

x86

Dxgmms1.sys

6.1.7601.22381

219,072

10-Jul-13

4:33

x86

Lddmcore.ptxml

Not applicable

1,151

13-Jul-09

20:32

Not applicable

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Dxgkrnl.sys

6.1.7601.22381

984,000

10-Jul-13

5:22

x64

Dxgmms1.sys

6.1.7601.22381

265,152

10-Jul-13

5:22

x64

Lddmcore.ptxml

Not applicable

1,151

13-Jul-09

20:25

Not applicable

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Dxgkrnl.sys

6.1.7601.22381

2,504,640

10-Jul-13

4:24

IA-64

Dxgmms1.sys

6.1.7601.22381

671,680

10-Jul-13

4:24

IA-64

Lddmcore.ptxml

Not applicable

1,151

13-Jul-09

20:25

Not applicable


Status

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

References

See the terminology Microsoft uses to describe software updates.

Additional file information for Windows 7 and Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

X86_662d73babb0f1099bd28f5b65cfb1408_31bf3856ad364e35_6.1.7601.22381_none_0bf24fdbcdb0c314.manifest

File version

Not applicable

File size

696

Date (UTC)

11-Jul-2013

Time (UTC)

12:14

Platform

Not applicable

File name

X86_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.22381_none_ae0ad2895b28180f.manifest

File version

Not applicable

File size

13,305

Date (UTC)

11-Jul-2013

Time (UTC)

12:17

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name

Amd64_0e57e327ee4e79e224f3904e78d8797e_31bf3856ad364e35_6.1.7601.22381_none_1da3e9ae4c01859a.manifest

File version

Not applicable

File size

700

Date (UTC)

11-Jul-2013

Time (UTC)

12:14

Platform

Not applicable

File name

Amd64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.22381_none_0a296e0d13858945.manifest

File version

Not applicable

File size

13,309

Date (UTC)

11-Jul-2013

Time (UTC)

12:20

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_573e5d5869e3a8ab3ab7088cc191efbc_31bf3856ad364e35_6.1.7601.22381_none_722a8f0c0145e883.manifest

File version

Not applicable

File size

698

Date (UTC)

11-Jul-2013

Time (UTC)

12:14

Platform

Not applicable

File name

Ia64_microsoft-windows-lddmcore_31bf3856ad364e35_6.1.7601.22381_none_ae0c767f5b26210b.manifest

File version

Not applicable

File size

13,307

Date (UTC)

11-Jul-2013

Time (UTC)

12:14

Platform

Not applicable


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