You run a kernel thread that uses Vector Floating-Point (VFP) instructions on a Windows Embedded CE 6.0 R3-based device. In this scenario, the thread may crash and you may receive many "Data Abort" exceptions.
This issue occurs because the kernel thread passes the stack address of an uninitialized local variable to the KCall function. When the variable locates the stack page, the variable finds that the page is uncommitted. Then, a "Data Abort" exception is triggered in the KCall function. Because the KCall function runs in a non-preemptive state, the Data Abort exception causes the thread to crash.
A supported software update is now available from Microsoft as Windows Embedded CE 6.0 Platform Builder Monthly Update (June 2010). You can confirm this by scrolling to the "File information" section. The package file name contains the product version, date, Knowledge Base article number, and processor type. The package file name format is as follows:
Product version-yymmdd-kbnnnnnn-processor type
For example: Wincepb50-060503-kb917590-armv4i.msi is the ARMV4i Windows CE 5.0 Platform Builder fix that is documented in KB article 917590 and that is contained in the May 2006 monthly update. To resolve this problem immediately, click the following article number for information about how to obtain Windows CE Platform Builder and core operating system software updates:
How to locate core operating system fixes for Microsoft Windows CE Platform Builder products
This update is supported only if all previously issued updates for this product have also been installed.
After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:
Clean, and then click
You do not have to restart the computer after you apply this software update.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
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
tab in the
Date and Time
item in Control Panel.