[1. Add function]
1-1. IOCTL_USB_USER_REQUEST(UWSBUSER_GET_POWER_STATE_MAP) is supported.
1-2. HUB’s icon isn’t shown on the Devices and Printers of Windows7.
[2. Modified driver bugs]
2-1. There is a possibility of BSOD when OUT transaction with data shorter than 8byte is transferred. Short packet is out of this issue.We have never seen this BSOD on the real system. We found this on code review.V18.104.22.168 or later version includes this bug.
2-2. There is a possibility of BSOD when a user changes the resolution of the video capture application and an ISO device is disconnected. We have never seen this BSOD on the real system. We found this on code review.
2-3. There is a possibility of BSOD when OverCurrent indication occurs before WindowsOS detects the device. We have never seen this BSOD on the real system. We found this on code review.
2-4. USB3.0 Devices connected with USB3.0 HUB are not detected after S3/S4 resume.
This issue occurs only under the following conditions:
- C_PORT_CONNECTION of the downstream port of the hub is not changed after resume.
- The PERSTB of the system is asserted after resume.
2-5. Driver did not check the descriptor size. If USB devices send the descriptor with invalid size, driver might behave in undefined operation.
2-6. When BIOS does not release the ownership of xHCI after S3/S4 resume, host driver should not have been loaded.
2-7. Wrong bandwidth information is displayed in the popup message when available bandwidth is consumed.
[3. Solved interoperability issue caused by function driver or system]
3-1. PC freezes when any of the specific devices are disconnected.
3-2. The following specific devices can’t work
A) The specific Wireless Headset does not produce sound in Windows XP environment.
B) The specific Keyboard is not detected. This issue only occurs on V22.214.171.124 or later version.
C) The specific Keyboard is not detected after remote wakeup under the condition that ForceHCResetOnResume is set to 1.
D) The specific AV Portable Player disappears from Device Manager after it is disabled in Device Manager.
E) Time from when the specific USB2.0 Flash is connected until it is detected is over 30 seconds. This issue only occurs on V126.96.36.199 or later version and on uPD720200A.
3-3. PC freezes when the specific Audio device is disconnected actively.
This issue only occurs on V188.8.131.52 or later version.
3-4. Monitor function of the specific docking station cannot work correctly after resume when multi-display mode is used.
3-5. When multiple USB3.0-hubs including the specific hub are connected by cascade connection and host driver is disabled and enabled, the hub connected with the specific hub’s downstream port is not detected.
3-6. When one of the multiple USB3.0 hubs in cascade connection is the specific HUB, it is not detected after S3-Resume.
3-7. When a specific smart phone is working in tethering mode, communication speed is too slow to keep the connection.