Microsoft KB Archive/238781

= Computer Does Not Resume After Warm Undock with USB Controller in Docking Station =

Article ID: 238781

Article Last Modified on 1/25/2007

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APPLIES TO


 * Microsoft Windows 98 Second Edition

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This article was previously published under Q238781



SYMPTOMS
If you dock your laptop computer in a docking station that contains a Universal Serial Bus (USB) controller and the computer is suspended (put into Standby mode), when you undock the laptop and attempt to resume operation, one of the following symptoms may occur:
 * The computer may stop responding (hang) at a black screen, and a hard reset or power off and power on may be required.
 * The computer may spontaneously restart.



CAUSE
This behavior can occur for the following reasons:
 * If the USB controller in the dock is an OpenHCI type controller (made by a manufacturer other than Intel) and other PCI devices are sharing the same Interrupt Request (IRQ) number. When the OpenHCI controller hardware is no longer present, the OpenHCI controller driver (Openhci.sys) may hang while processing an interrupt during resume.
 * When the USB hub driver (Usbhub.sys) attempts to determine the status of the USB hub during resume when the USB hub hardware is no longer present, the Openhci.sys driver does not correctly detect this condition and the USB hub driver becomes stuck in an endless loop.



RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

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

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

Date Time Version Size File name Platform

08/10/99 11:27am 4.10.2223 23,792 Openhci.sys Win98SE



WORKAROUND
As a troubleshooting step or temporary workaround, you can prevent this problem from occurring by disabling the USB controller in the docking station before suspending the computer. You may need to restart the computer for this change to take effect.



STATUS
Microsoft has confirmed that this is a problem in Windows 98 Second Edition.



MORE INFORMATION
This condition is only known to occur if the computer is suspended in a docked state and then resumed in an undocked state. This behavior is not known to occur if the computer is:
 * Suspended in a docked state and resumed in a docked state.
 * Suspended in an undocked state and resumed in an undocked state.
 * Suspended in an undocked state and resumed in a docked state.

For additional information about Windows 98 and Windows 98 Second Edition hotfixes, click the article number below to view the article in the Microsoft Knowledge Base:

206071 General Information About Windows 98 and Windows 98 Second Edition Hotfixes

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe win98se KB238781

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