Re: USB 2.0 device on a USB 3.0 plug

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On Thu, Feb 16, 2017 at 12:58:09PM -0500, Jerry Geis wrote:
> When I plug in my device which is USB 2.0 into a 3.0 slot (cause that is
> all I have)
> [495042.943074] usb 5-2: new low-speed USB device number 6 using xhci_hcd
> [495043.100076] usb 5-2: device descriptor read/64, error -71
> 
> I receive the above error.
> 
> Is there a flag or setting that tells the USB to in a 2.0 mode ?

I'm no expert, and I don't know the answer, here is an idea: are you
using a USB3 cable for this? If so, might it be worth trying a USB2
cable instead?

Also, are you sure that the device itself is working correctly? Try
it on a different system on usb2 and usb3? try it on this same system
in a usb2 port (temporarily, since you have no spare usb2 ports).

Fred
-- 
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
    "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of
     heaven, but only he who does the will of my Father who is in heaven."
------------------------------ Matthew 7:21 (niv) -----------------------------
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