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

[bob prohaska]

On Mon, Mar 02, 2020 at 09:35:48AM +0100, Hans Petter Selasky wrote:
> 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:
> 
> If you don't specify a device, all devices will be reset. This simply 
> won't work!
> 

Would it be effective to use
kldunload uplcom
kldload uplcom
to "wake up" the pl2303? At this point unplugging and replugging the
USB connector has no effect, but a warm reboot has so far worked.

Thanks for replying!

bob prohaska