FIX: An Exception Occurs in a TFAT Driver on a MIPS IV FP-Based Operating System (827080)



The information in this article applies to:

  • Microsoft Windows CE .NET 4.2

SYMPTOMS

When the option to use the cluster 1 entry for transaction data is enabled, an exception may occur in the TFAT driver on MIPS IV FP microprocessor-based operating systems.

CAUSE

The exception occurs because of a data alignment problem. The ULONGULONG type structure element alignment in the 64-bit processor build is different from the 32-bit processor build.

RESOLUTION

Hotfix Information

A supported software update is now available from Microsoft as Windows CE 4.2 Core OS QFE 827080. 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 fix is supported only when all previously released fixes for this product have also been installed.

Restart Requirement

After you apply this update, you must perform a clean operation and then rebuild the platform.

Hotfix Replacement Information

This hotfix does not replace any other hotfixes.

File Information

The English version of this package has the file attributes (or later) that are listed in the following table.
   Date         Time   Version  Size    File name
   ------------------------------------------------------------------------------

   19-Sep-2003  23:26  4.21     911,976  Wincepb42-030919-kb827080-armv4.exe  
   19-Sep-2003  23:26  4.21     911,976  Wincepb42-030919-kb827080-armv4i.exe
   19-Sep-2003  23:26  4.21     928,360  Wincepb42-030919-kb827080-mipsii.exe
   19-Sep-2003  23:26  4.21     928,360  Wincepb42-030919-kb827080-mipsii_fp.exe
   19-Sep-2003  23:27  4.21     940,648  Wincepb42-030919-kb827080-mipsiv.exe
   19-Sep-2003  23:27  4.21     940,648  Wincepb42-030919-kb827080-mipsiv_fp.exe  
   19-Sep-2003  23:26  4.21     887,400  Wincepb42-030919-kb827080-sh3.exe
   19-Sep-2003  23:26  4.21     887,400  Wincepb42-030919-kb827080-sh4.exe
   19-Sep-2003  23:26  4.21     838,248  Wincepb42-030919-kb827080-x86.exe
The English version of this hotfix has the file attributes (or later) 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
   11-Sep-2003  15:30                    715,704  Tfat.lib
   11-Sep-2003  15:30                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Armv4\Retail
   11-Sep-2003  15:30                    402,264  Tfat.lib
   11-Sep-2003  15:30                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Armv4i\Debug
   11-Sep-2003  15:30                    716,476  Tfat.lib
   11-Sep-2003  15:30                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Armv4i\Retail
   11-Sep-2003  15:30                    402,740  Tfat.lib
   11-Sep-2003  15:30                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsii\Debug
   11-Sep-2003  15:31                    731,396  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsii\Retail
   11-Sep-2003  15:31                    410,190  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsii_fp\Debug
   11-Sep-2003  15:31                    731,482  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsii_fp\Retail
   11-Sep-2003  15:31                    410,344  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsiv\Debug
   11-Sep-2003  15:31                    741,178  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsiv\Retail
   11-Sep-2003  15:31                    413,820  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsiv_fp\Debug
   11-Sep-2003  15:31                    741,264  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Mipsiv_fp\Retail
   11-Sep-2003  15:31                    413,972  Tfat.lib
   11-Sep-2003  15:31                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Sh3\Debug
   11-Sep-2003  15:32                    628,022  Tfat.lib
   11-Sep-2003  15:32                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Sh3\Retail
   11-Sep-2003  15:32                    373,042  Tfat.lib
   11-Sep-2003  15:32                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Sh4\Debug
   11-Sep-2003  15:32                    627,646  Tfat.lib
   11-Sep-2003  15:32                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\Sh4\Retail
   11-Sep-2003  15:32                    372,298  Tfat.lib
   11-Sep-2003  15:32                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\X86\Debug
   11-Sep-2003  15:30                    613,998  Tfat.lib
   11-Sep-2003  15:30                     86,016  Tfat.pdb

   Path: Public\Common\Oak\Lib\X86\Retail
   11-Sep-2003  15:30                    330,006  Tfat.lib
   11-Sep-2003  15:30                     86,016  Tfat.pdb

STATUS

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

MORE INFORMATION

The problematic code was rewritten to use an alignment-independent method for comparing values.

Modification Type:MinorLast Reviewed:5/27/2005
Keywords:kbBug kbfix kbQFE KB827080 kbAudDeveloper