Microsoft KB Archive/822556

= System crashes when you unmount an IEEE 1394 removable storage device =

Article ID: 822556

Article Last Modified on 2/10/2004

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APPLIES TO


 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Service Pack 3
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Service Pack 3
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
When you run Softek Storage Manager to unmount an IEEE 1394 removable storage device, you may receive the following error message on a blue screen:

STOP 0x0000001E (0xc0000005,0x8050ad4f,0x00000001,0x00000000)

KMODE_EXCEPTION_NOT_HANDLED

If a kernel debugger is attached to the the system that has crashed, you may receive the following error message:

STOP 0x0000000A (0x00000008,0x00000002,0x00000000,0x8042CE22)

IRQL_NOT_LESS_OR_EQUAL

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.



CAUSE
This problem occurs when the 1394 mass-storage driver, Sbp2port.sys, does not validate an input parameter when handling the IRP_MN_REMOVE_DEVICE request. Therefore, Sbp2port.sys incorrectly passes a NULL pointer to the KeInitializeEvent function.



RESOLUTION
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.

Keywords: kbfix kboswin2000fix kbwin2ksp4fix KB822556

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