RPI3, usbconfig: could not open device: No error: 0

Hans Petter Selasky hps at selasky.org
Mon Mar 2 08:36:01 UTC 2020


On 2020-03-01 20:25, bob prohaska wrote:
> While trying to unstick a pl2303 usb-serial adapter that wasn't
> showing up on a Pi3 I tried
> 
> root at www:/home/bob # usbconfig reset
> usbconfig: could not open device: No error: 0
> 
> That seemed odd, so I tried:
> root at www:/home/bob # uname -a
> FreeBSD www.zefox.org 13.0-CURRENT FreeBSD 13.0-CURRENT r349799 GENERIC  arm64
> root at www:/home/bob # usbconfig
> ugen0.1: <DWCOTG OTG Root HUB> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE (0mA)
> ugen0.2: <vendor 0x0424 product 0x9514> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=SAVE (2mA)
> ugen0.3: <vendor 0x0424 product 0xec00> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (2mA)
> ugen0.4: <vendor 0x413c product 0x3010> at usbus0, cfg=0 md=HOST spd=LOW (1.5Mbps) pwr=ON (100mA)
> ugen0.5: <Logitech Logitech USB Keyboard> at usbus0, cfg=0 md=HOST spd=LOW (1.5Mbps) pwr=ON (100mA)
> 
> which looks quite normal.
> 
> IIRC this is the first time I've tried the "usbconfig reset" command,
> so I've no baseline for what to expect.
> 
> The machine has been reverted to r349799 for sanity
> checking, if the behavior is correct or fixed please
> accept apologies for the noise. If it's wrong is it
> worth a bug report?
> 

If you don't specify a device, all devices will be reset. This simply 
won't work!

--HPS



More information about the freebsd-arm mailing list