Windows 10: 3.0 USB OTG Device Enumeration fails in windows 10

Hello folks,

I have been working on a "up squared" board running ubuntu 16.04 LTS with kernel version 4.15
The board has an OTG 3.0 USB, which I want to use in device mode using the g_mass_storage driver.

The problem I face is the up squared board is successfully detected as mass storage device in Linux and
Windows 7 machines . But the device fails to be recognized in windows 10.

In detail.
The device fails at the enumeration process, as when the host systems asks for usb_device_descriptors ,
in the enumeration process, the bLength and bDescriptorType are returned "0" from the device side.

Thus, the device is reported as "Unrecognized" which the user is notified about.

I'll be glad if you folks can help me with this


I am attaching the Microsoft USBView utility debug report which shows the enumeration fails for wrong bLength value

Thank you,




:)

 

a request for device descriptor request failed


Maybe it's time to step back from the current efforts, and start over. I suggest you read over this excellent tutorial and try all of its steps: [Solved] Unknown USB Device (Device Descriptor Request Failed) for Windows 10 - Driver Easy. The one that may provide you with some easy relief is the one where you uninstall the device whose descriptor is failing, reboot, and see what happens when device enumeration recurs during boot-up. If you're lucky, it will fix itself.
HTH,
--Ed--

 

a request for device descriptor request failed

my bios is and custom unlocked bios (latest version) (thanks to Bios Mods -The Best BIOS Update and Modification Source ) because of lenovo hardware whitlist maybe thats causing the problem???

 

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