You are failing in hub_port_init() in usb/core.c. But something is
really broken. That is not a normal failure mode.  Error -32 is
-EPIPE. That's the error you get when a USB transaction fails.

You can use Wireshark to sniff the USB ports.

On Fri, Aug 22, 2014 at 5:09 PM, George Ioakimedes <georgei...@gmail.com> wrote:
> Still working on my USB Hub design and am getting the following errors when
> a USB device is plugged into the hub. If nothing is plugged into the hub
> when it enumerates I'm not seeing any errors.
>
> [ 3706.062887] hub 1-1:1.0: USB hub found
> [ 3706.066260] hub 1-1:1.0: 4 ports detected
> [ 3743.649498] usb 1-1.1: new full-speed USB device number 32 using sw-ehci
> [ 3743.748361] usb 1-1.1: device descriptor read/64, error -32
> [ 3743.938323] usb 1-1.1: device descriptor read/64, error -32
> [ 3744.129482] usb 1-1.1: new full-speed USB device number 33 using sw-ehci
> [ 3744.228350] usb 1-1.1: device descriptor read/64, error -32
> [ 3744.418356] usb 1-1.1: device descriptor read/64, error -32
> [ 3744.609483] usb 1-1.1: new full-speed USB device number 34 using sw-ehci
> [ 3745.028667] usb 1-1.1: device not accepting address 34, error -32
> [ 3745.129479] usb 1-1.1: new full-speed USB device number 35 using sw-ehci
> [ 3745.548664] usb 1-1.1: device not accepting address 35, error -32
> [ 3745.554038] hub 1-1:1.0: unable to enumerate USB device on port 1
>
>
> Can someone help to track down where in the code branch that is generating
> this error. I've searched the internet but seen conflicting answers so I
> figured it would be best to rely directly on the source code so I know for
> sure what the error -32 is trying to tell me.
>
> Thanks,
> George
>
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-- 
Jon Smirl
jonsm...@gmail.com

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