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    Is the USB hub connected to the same USB port which the tablet was connected to? Also, does the USB hub have it's own power supply? Commented Mar 3, 2020 at 23:43
  • @bey0nd yes, I've tried the same port of the machine as well other ports with the same result, the usb hub doesn't have it's own power supply, is just an usb cable with 4 usb ports available. Commented Mar 4, 2020 at 15:55
  • Is it REALLY slower, or do you indicate that by the loaded driver? Pls see my answer for clarification. Commented Mar 6, 2020 at 14:42
  • I have read a conversation on the kernel mailing-list. Same problem. Someone pointed out, that the device will choose the speed, so the kernel can't be the problem. But the other side, just as you, clearified that this device works anywhere else. So it might indeed be some kernel-timeout or whatever. This is way above my experience. Commented Mar 6, 2020 at 17:30
  • A wild guess: Try the rear usb ports. The front ones are from the box and might be of some problem. Commented Mar 6, 2020 at 17:33