[SeaBIOS] : USB 3.0 port failed if a USB 3.0 device is attached when power up

Kevin O'Connor kevin at koconnor.net
Wed Aug 5 12:25:13 CEST 2015

On Wed, Aug 05, 2015 at 07:40:50AM +0000, Zheng Bao wrote:
>  hi, Kevin,
> I am debugging the coreboot on AMD board.
> I found if a device is populated on USB 3.0 port during system power up, the USB3.0 function fail after OS boot up.
> If a USB 2.0 device is plugged, the port is OK.
> Can you take a look at this?

What board is this, what USB3 controller is it, and what USB3 device
did the problem occur with?  Does the problem occur with multiple/all
USB3 devices or just one?


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