Article ID: 840136 - Last Review: August 29, 2007 - Revision: 2.1

The image in a video stream from an IEEE 1394 video device may roll onscreen

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SYMPTOMS

Sometimes, when you use an IEEE 1394 video device to stream video onscreen, and the processor is under heavy load, the video stream may lose synchronization and the image may roll onscreen. This problem continues even after the processor load returns to typical levels.

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CAUSE

This problem occurs when the IEEE 1394 video device uses two or more isochronous descriptors for the video stream. Only the first isochronous descriptor can be synchronized. Additional descriptors are not synchronized.

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RESOLUTION

Windows XP

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 (http://support.microsoft.com/kb/322389/EN-US/ ) How to obtain the latest Windows XP service pack

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

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. Windows XP

   Date         Time   Version        Size    File name
   -------------------------------------------------------
   20-Apr-2004  16:37  5.1.2600.1517  55,936  Ohci1394.sys

Windows XP 64-Bit Edition

   Date         Time   Version        Size     File name
   --------------------------------------------------------
   20-Apr-2004  16:40  5.1.2600.1517  171,520  Ohci1394.sys

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Windows 2000

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

   Date         Time   Version        Size    File name
   -------------------------------------------------------
   15-Apr-2004  21:55  5.0.2195.6920  37,936  Ohci1394.sys
   12-Dec-2003  18:19  5.0.2195.6882  22,064  Sonydcam.sys

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