A deadlock may occur between the SetSystemPowerState function and the ExtEscape function (891119)



The information in this article applies to:

  • Microsoft Windows CE .NET 4.2


SYMPTOMS

When a user opens the clam shell of a device to receive an incoming call, a white screen may be displayed. The device does not respond to user input, such as pressing buttons or pressing the touch screen.

CAUSE

This problem occurs because the SetSystemPowerState function and the ExtEscape function may sometimes cause a deadlock when the functions are called by device drivers or by applications.

RESOLUTION

Software update information

A supported software update is now available from Microsoft as Windows CE 4.2 Core OS QFE 891119. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you install this update, you must perform a clean build of the whole platform. To clean the platform, click Clean on the Build menu. To build the platform, click Build Platform on the Build menu. You do not have to restart your computer after you apply this update.

Update replacement information

This update does not replace any other updates.

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 tool in Control Panel.
   Date         Time                   Size       File name
   -----------------------------------------------------------------------------------------
   31-Jan-2005  23:03                  8,020,480  Wincepb42-050124-kb891119-armv4.msi
   31-Jan-2005  23:03                  8,020,992  Wincepb42-050124-kb891119-armv4i.msi
   31-Jan-2005  23:03                  8,030,208  Wincepb42-050124-kb891119-mipsii.msi
   31-Jan-2005  23:04                  8,030,208  Wincepb42-050124-kb891119-mipsii_fp.msi
   31-Jan-2005  23:04                  8,037,376  Wincepb42-050124-kb891119-mipsiv.msi
   31-Jan-2005  23:04                  8,037,376  Wincepb42-050124-kb891119-mipsiv_fp.msi
   31-Jan-2005  23:03                  7,992,320  Wincepb42-050124-kb891119-sh3.msi
   31-Jan-2005  23:02                  7,991,808  Wincepb42-050124-kb891119-sh4.msi
   31-Jan-2005  23:02                  7,930,368  Wincepb42-050124-kb891119-x86.msi

The English version of this update 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 tool in Control Panel.
   Date         Time                     Size     File name
   --------------------------------------------------------------
   Path: Public\Common\Oak\Lib\Armv4\Debug
   16-Dec-2004  02:42                    781,066  Mgbase.lib
   16-Dec-2004  02:42                     59,894  Mgdc.lib

   Path: Public\Common\Oak\Lib\Armv4\Retail
   16-Dec-2004  02:42                    648,762  Mgbase.lib
   16-Dec-2004  02:42                     43,086  Mgdc.lib

   Path: Public\Common\Oak\Lib\Armv4i\Debug
   16-Dec-2004  02:43                    782,832  Mgbase.lib
   16-Dec-2004  02:43                     59,970  Mgdc.lib

   Path: Public\Common\Oak\Lib\Armv4i\Retail
   16-Dec-2004  02:42                    650,514  Mgbase.lib
   16-Dec-2004  02:43                     43,100  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsii\Debug
   16-Dec-2004  02:43                    795,228  Mgbase.lib
   16-Dec-2004  02:43                     60,388  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsii\Retail
   16-Dec-2004  02:43                    651,528  Mgbase.lib
   16-Dec-2004  02:43                     44,108  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsii_fp\Debug
   16-Dec-2004  02:43                    795,356  Mgbase.lib
   16-Dec-2004  02:43                     60,404  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsii_fp\Retail
   16-Dec-2004  02:43                    651,732  Mgbase.lib
   16-Dec-2004  02:43                     44,140  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsiv\Debug
   16-Dec-2004  02:44                    802,552  Mgbase.lib
   16-Dec-2004  02:44                     60,894  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsiv\Retail
   16-Dec-2004  02:44                    656,198  Mgbase.lib
   16-Dec-2004  02:44                     44,334  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsiv_fp\Debug
   16-Dec-2004  02:44                    802,680  Mgbase.lib
   16-Dec-2004  02:44                     60,910  Mgdc.lib

   Path: Public\Common\Oak\Lib\Mipsiv_fp\Retail
   16-Dec-2004  02:44                    656,404  Mgbase.lib
   16-Dec-2004  02:44                     44,366  Mgdc.lib

   Path: Public\Common\Oak\Lib\Sh3\Debug
   16-Dec-2004  02:45                    711,914  Mgbase.lib
   16-Dec-2004  02:45                     56,588  Mgdc.lib

   Path: Public\Common\Oak\Lib\Sh3\Retail
   16-Dec-2004  02:44                    605,466  Mgbase.lib
   16-Dec-2004  02:45                     42,100  Mgdc.lib

   Path: Public\Common\Oak\Lib\Sh4\Debug
   16-Dec-2004  02:45                    711,914  Mgbase.lib
   16-Dec-2004  02:45                     56,588  Mgdc.lib

   Path: Public\Common\Oak\Lib\Sh4\Retail
   16-Dec-2004  02:45                    604,662  Mgbase.lib
   16-Dec-2004  02:45                     42,088  Mgdc.lib

   Path: Public\Common\Oak\Lib\X86\Debug
   16-Dec-2004  02:42                    657,790  Mgbase.lib
   16-Dec-2004  02:42                     53,580  Mgdc.lib

   Path: Public\Common\Oak\Lib\X86\Retail
   16-Dec-2004  02:42                    560,194  Mgbase.lib
   16-Dec-2004  02:42                     39,672  Mgdc.lib

STATUS

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

Modification Type:MinorLast Reviewed:5/27/2005
Keywords:kbBug kbfix kbQFE KB891119