This article describes the ARM Errata 775420 issue in which the processor deadlock may occur when a data cache maintenance operation stops followed by an Instruction Synchronization Barrier (ISB) without a Data Synchronization Barrier (DSB) on a Windows Embedded Compact 7-based ARM device. 
An update is available to resolve this issue. Before you install this update, all previously issued updates for this product must be installed.

Note The issue ARM Errata 775420 is mentioned in the 15651_IMX6DQCE.pdf document, you can download the document from the third-party site 15651_IMX6DQCE.

More Information

Software update information



Download information

The Windows Embedded Compact 7 Monthly Update (July 2014) is now available from Microsoft. To download this Windows Embedded Compact 7 monthly update, go to the following Microsoft Download Center website:

Windows Embedded Compact 7 updates
The kind of processor that each file applies to is visible in the name of each file in the "File information" section.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:

  • On the Build menu, click Clean Solution, and then click Build Solution.

  • On the Build menu, click Rebuild Solution.

You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

The English version of this software update package 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.

Files that are included in this hotfix package

File name

File size

Date

Time

Path

Nkmain.lib

3,526,296

31-Jul-2014

19:47

Public\Common\Oak\Lib\Armv5\Checked

Nkprmain.lib

3,583,532

31-Jul-2014

19:47

Public\Common\Oak\Lib\Armv5\Checked

Nkmain.lib

3,917,176

31-Jul-2014

21:42

Public\Common\Oak\Lib\Armv5\Debug

Nkprmain.lib

3,987,710

31-Jul-2014

21:42

Public\Common\Oak\Lib\Armv5\Debug

Nkmain.lib

2,404,474

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv5\Retail

Nkprmain.lib

2,462,674

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv5\Retail

Nkmain.lib

3,526,232

31-Jul-2014

19:47

Public\Common\Oak\Lib\Armv6\Checked

Nkprmain.lib

3,583,466

31-Jul-2014

19:47

Public\Common\Oak\Lib\Armv6\Checked

Nkmain.lib

3,916,398

31-Jul-2014

21:42

Public\Common\Oak\Lib\Armv6\Debug

Nkprmain.lib

3,986,934

31-Jul-2014

21:42

Public\Common\Oak\Lib\Armv6\Debug

Nkmain.lib

2,404,444

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv6\Retail

Nkprmain.lib

2,462,644

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv6\Retail

Nkmain.lib

3,515,808

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv7\Checked

Nkprmain.lib

3,572,822

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv7\Checked

Nkmain.lib

3,906,064

31-Jul-2014

21:43

Public\Common\Oak\Lib\Armv7\Debug

Nkprmain.lib

3,975,762

31-Jul-2014

21:43

Public\Common\Oak\Lib\Armv7\Debug

Nkmain.lib

2,397,928

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv7\Retail

Nkprmain.lib

2,456,120

31-Jul-2014

19:46

Public\Common\Oak\Lib\Armv7\Retail



Status

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

References

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

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