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Stop error 0x000000C4 during resume from sleep on Windows 7

Article ID: 2724933 - View products that this article applies to.

SYMPTOMS

Consider the following scenario:

Windows 7 computer is playing audio through a USB audio device
Driver Verifier deadlock detection is enabled on the Kernel Streaming (KS.sys) driver
The computer is put to sleep and then resumed

When the computer wakes from sleep, Driver Verifier will detect a potential deadlock and the following stop error will be displayed:

STOP 0x000000C4 (0x00001001, 0xbbbbbbbb, 0xcccccccc, 0xdddddddd) DRIVER_VERIFIER_DETECTED_VIOLATION

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CAUSE

Potential deadlock occurs as a result of lock acquisition ordering between the KS.sys device create thread and the KS.sys device wake thread.

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RESOLUTION

Do not enable Driver Verifier deadlock detection on the KS.sys driver while playing audio through a USB audio device and performing sleep/resume operations.

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Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use

(http://go.microsoft.com/fwlink/?LinkId=151500)

for other considerations.

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