Microsoft KB Archive/907353

= You receive a Stop error message when you use a hardware device on a computer that is running Windows 2000 =

Article ID: 907353

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
When you use a hardware device on a computer that is running Microsoft Windows 2000, you receive one of the following Stop error messages:

Error message 1

STOP 0x000000DB (0x00000000, 0x000000FF, 0x00000000, 0x8046D604)

DRIVER_CORRUPTED_SYSPTES

Error message 2

STOP 0x0000007F (0x0000000D, 0x00000000, 0x00000000, 0x00000000)

UNEXPECTED_KERNEL_MODE_TRAP

Error message 3

STOP 0x0000000A (0x1b8f610a, 0x00000002, 0x00000001, 0x8046d9c4)

IRQL_NOT_LESS_OR_EQUAL



CAUSE
When a hardware device requires system resources that are used by other devices, the device may send a process request. This process request is known as a hardware interrupt. In order to manage this hardware interrupt, Windows 2000 uses an interrupt descriptor table (IDT) that lists every hardware interrupt. To prevent system resources from being diverted from a process, the system can set a flag in the IDT to disable the hardware interrupt that requires the resources. Before the system modifies the IDT, the system temporarily disables hardware interrupts.

This problem occurs when a hardware interrupt occurs in the interval between the following two events:
 * The system sends a request to disable hardware interrupts.
 * Hardware interrupts are disabled.

When a hardware interrupt occurs in this interval, the IDT becomes corrupted.



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

Keywords: kbtshoot kbsetup kbprb KB907353

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