[MinnowBoard] USB Problems

[John 'Warthog9' Hawley]

On 03/18/2015 06:40 AM, Jan Willies wrote:
> Hi,
> 
> I'm having serious issues with USB:
> 
> Mär 18 14:34:21 mbm-bude kernel: usb 1-1: device descriptor read/64,
> error -71
> Mär 18 14:34:22 mbm-bude kernel: usb 1-1: device descriptor read/64,
> error -71
> Mär 18 14:34:22 mbm-bude kernel: usb 1-1: new full-speed USB device
> number 3 using xhci_hcd
> Mär 18 14:34:22 mbm-bude kernel: usb 1-1: device descriptor read/64,
> error -71
> Mär 18 14:34:22 mbm-bude kernel: usb 1-1: device descriptor read/64,
> error -71
> Mär 18 14:34:22 mbm-bude kernel: usb 1-1: new full-speed USB device
> number 4 using xhci_hcd
> Mär 18 14:34:22 mbm-bude kernel: usb 1-1: Device not responding to setup
> address.
> Mär 18 14:34:23 mbm-bude kernel: usb 1-1: Device not responding to setup
> address.
> Mär 18 14:34:23 mbm-bude kernel: usb 1-1: device not accepting address
> 4, error -71
> Mär 18 14:34:23 mbm-bude kernel: usb 1-1: new full-speed USB device
> number 5 using xhci_hcd
> Mär 18 14:34:23 mbm-bude kernel: usb 1-1: Device not responding to setup
> address.
> Mär 18 14:34:23 mbm-bude kernel: usb 1-1: Device not responding to setup
> address.
> Mär 18 14:34:23 mbm-bude kernel: usb 1-1: device not accepting address
> 5, error -71
> Mär 18 14:34:23 mbm-bude kernel: usb usb1-port1: unable to enumerate USB
> device
> 
> Anyone else with these kind of problems? I'm having them with almost
> everything I plug in. Even a keyboard, although that mostly works but it
> is re-recognized in a loop (according to logs)

What power supply are you using? 5V at what amperage?

- John