Re: Raspberry Pi 3 and USB?

[Michael <macallan%netbsd.org@localhost>]

Hello,

On Tue, 5 Apr 2016 22:16:12 +0000 (UTC)
John Klos <john%ziaspace.com@localhost> wrote:

> So now I wonder if this is (1) a hardware issue like the light sensitivity 
> issue here:
> 
> https://www.raspberrypi.org/blog/xenon-death-flash-a-free-physics-lesson/
> 
> or (2) an issue with NetBSD's initialization being super-close to some 
> timing threshold, or (3) I have a faulty board.
> 
> I'll put a bunch of print statements between
> 
> usb0 at dwctwo0: USB revision 2.0
> and
> timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
> 
> so perhaps we can see where it's stopping.

Hmm, I wouldn't be surprised if they put a newer DWC2 variant on the
RPi3 which needs slightly different initialization parameters. I ran
into something like that with CI20 - not an ARM, but has a newer DWC2
with actual OTG.

have fun
Michael