![]() ![]() Therefore, BIOS needs to set "SMI on OS Ownership Enable" bit in USBLEGCTLSTS register to '1b' if BIOS has set "HC BIOS Owned Semaphore" to '1b' and hands Ownership off after S3/S4->Resume. There is a possibility that BSOD occurs when S3/S4->resume is executed with the xHCI Backwards Compatibility Tree on enabling the driver verifier.ġ-4.The host driver clears USBLEGCTLSTS register after the host driver obtained Ownership from Ver3.0.2.0Beta. There is a possibility that BSOD occurs when performing the Common Scenario Stress-with-IO test in WHQL, when connecting an external USB hub to USB 3.0 Host Controller.ġ-3. When continuously starting & stopping the video capture with a specific USB2.0 Camera, the specific USB2.0 camera cannot restart the video capture.ġ-2. Additional remediation was implemented for the following issues:Ģ-2.
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