On Fri, Aug 07, 2020 at 10:08:25AM +0100, Patrick Harper wrote: > I think asynchronous transfers don't work with xhci right now, which appears > to be how your DAC works. If you can disable USB 3.0 in the BIOS/UEFI setup > program it should work. >
This device is usb1.1, it uses control and isochronous transfers that xhci supports. Strangely, even certain control transfers fail with this particular device.
