Microsoft KB Archive/839034

= FAT-formatted media may not mount after the TFAT operation is interrupted =

Article ID: 839034

Article Last Modified on 5/27/2005

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APPLIES TO


 * Microsoft Windows CE .NET 4.2

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SYMPTOMS
If synchronization of the file allocation table is interrupted, media that is file allocation table (FAT) formatted and that is used with the Transactional File Allocation Table (TFAT) file system may not successfully re-mount. The synchronization may be interrupted by a loss of power, by a system reset, or by the removal of media.



CAUSE
The BIOS Parameter Block (BPB) structure temporarily holds the value of 0 (zero) for the number of file allocation tables during a FAT file system synchronization. If the synchronization is interrupted, the 0 (zero) FAT value prevents the media from mounting on any system. The BIOS BPB structure holds the value for the numbers of file allocation tables in the BPB_NumberOfFATs BYTE element of the BPB structure.



Hotfix Information
A supported software update is now available from Microsoft as Windows CE 4.2 Core OS QFE 839034. 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 issued fixes 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.

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 ---

25-Mar-2004 19:44  4.21            1,284,856  Wincepb42-040325-kb839034-armv4.exe 25-Mar-2004 19:44  4.21            1,284,856  Wincepb42-040325-kb839034-armv4i.exe 25-Mar-2004 19:44  4.21            1,321,720  Wincepb42-040325-kb839034-mipsii.exe 25-Mar-2004 19:44  4.21            1,321,720  Wincepb42-040325-kb839034-mipsii_fp.exe 25-Mar-2004 19:44  4.21            1,338,104  Wincepb42-040325-kb839034-mipsiv.exe 25-Mar-2004 19:44  4.21            1,338,104  Wincepb42-040325-kb839034-mipsiv_fp.exe 25-Mar-2004 19:44  4.21            1,239,800  Wincepb42-040325-kb839034-sh3.exe 25-Mar-2004 19:44  4.21            1,239,800  Wincepb42-040325-kb839034-sh4.exe 25-Mar-2004 19:44  4.21            1,145,592  Wincepb42-040325-kb839034-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   Version            Size    File name --

Path: Public\Common\Oak\Lib\Armv4\Debug 19-Mar-2004 19:11                    637,152  Fatfsd.lib 19-Mar-2004 19:11                     86,016  Fatfsd.pdb 19-Mar-2004 19:11                    720,048  Tfat.lib 19-Mar-2004 19:11                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Armv4\Retail 19-Mar-2004 19:11                    365,342  Fatfsd.lib 19-Mar-2004 19:11                     86,016  Fatfsd.pdb 19-Mar-2004 19:11                    405,298  Tfat.lib 19-Mar-2004 19:11                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Armv4i\Debug 19-Mar-2004 19:12                    637,798  Fatfsd.lib 19-Mar-2004 19:12                     86,016  Fatfsd.pdb 19-Mar-2004 19:12                    720,820  Tfat.lib 19-Mar-2004 19:12                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Armv4i\Retail 19-Mar-2004 19:11                    365,764  Fatfsd.lib 19-Mar-2004 19:11                     86,016  Fatfsd.pdb 19-Mar-2004 19:11                    405,798  Tfat.lib 19-Mar-2004 19:11                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsii\Debug 19-Mar-2004 19:12                    653,102  Fatfsd.lib 19-Mar-2004 19:12                     86,016  Fatfsd.pdb 19-Mar-2004 19:12                    735,696  Tfat.lib 19-Mar-2004 19:12                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsii\Retail 19-Mar-2004 19:12                    372,824  Fatfsd.lib 19-Mar-2004 19:12                     86,016  Fatfsd.pdb 19-Mar-2004 19:12                    413,204  Tfat.lib 19-Mar-2004 19:12                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsii_fp\Debug 19-Mar-2004 19:12                    653,240  Fatfsd.lib 19-Mar-2004 19:12                     86,016  Fatfsd.pdb 19-Mar-2004 19:13                    735,788  Tfat.lib 19-Mar-2004 19:13                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsii_fp\Retail 19-Mar-2004 19:12                    372,962  Fatfsd.lib 19-Mar-2004 19:12                     86,016  Fatfsd.pdb 19-Mar-2004 19:12                    413,352  Tfat.lib 19-Mar-2004 19:12                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsiv\Debug 19-Mar-2004 19:13                    661,188  Fatfsd.lib 19-Mar-2004 19:13                     86,016  Fatfsd.pdb 19-Mar-2004 19:13                    745,606  Tfat.lib 19-Mar-2004 19:13                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsiv\Retail 19-Mar-2004 19:13                    375,676  Fatfsd.lib 19-Mar-2004 19:13                     86,016  Fatfsd.pdb 19-Mar-2004 19:13                    416,808  Tfat.lib 19-Mar-2004 19:13                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsiv_fp\Debug 19-Mar-2004 19:13                    661,326  Fatfsd.lib 19-Mar-2004 19:13                     86,016  Fatfsd.pdb 19-Mar-2004 19:13                    745,698  Tfat.lib 19-Mar-2004 19:13                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Mipsiv_fp\Retail 19-Mar-2004 19:13                    375,812  Fatfsd.lib 19-Mar-2004 19:13                     86,016  Fatfsd.pdb 19-Mar-2004 19:13                    416,958  Tfat.lib 19-Mar-2004 19:13                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Sh3\Debug 19-Mar-2004 19:14                    560,892  Fatfsd.lib 19-Mar-2004 19:14                     86,016  Fatfsd.pdb 19-Mar-2004 19:14                    631,564  Tfat.lib 19-Mar-2004 19:14                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Sh3\Retail 19-Mar-2004 19:14                    339,898  Fatfsd.lib 19-Mar-2004 19:14                     86,016  Fatfsd.pdb 19-Mar-2004 19:14                    375,682  Tfat.lib 19-Mar-2004 19:14                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Sh4\Debug 19-Mar-2004 19:14                    560,546  Fatfsd.lib 19-Mar-2004 19:14                     86,016  Fatfsd.pdb 19-Mar-2004 19:14                    631,188  Tfat.lib 19-Mar-2004 19:14                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\Sh4\Retail 19-Mar-2004 19:14                    339,216  Fatfsd.lib 19-Mar-2004 19:14                     86,016  Fatfsd.pdb 19-Mar-2004 19:14                    374,982  Tfat.lib 19-Mar-2004 19:14                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\X86\Debug 19-Mar-2004 19:11                    548,000  Fatfsd.lib 19-Mar-2004 19:11                     86,016  Fatfsd.pdb 19-Mar-2004 19:11                    617,570  Tfat.lib 19-Mar-2004 19:11                     86,016  Tfat.pdb

Path: Public\Common\Oak\Lib\X86\Retail 19-Mar-2004 19:10                    300,902  Fatfsd.lib 19-Mar-2004 19:10                     86,016  Fatfsd.pdb 19-Mar-2004 19:11                    332,678  Tfat.lib 19-Mar-2004 19:11                     86,016  Tfat.pdb



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For additional information, 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

Keywords: kbbug kbfix kbqfe KB839034

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