Re: port-i386/57662: StarTech ICUSB23208FD 8-Port USB-to-Serial Adapter Hub fails on Alix with NetBSD/i386 9.3

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Oct 15, 2023 at 08:45:01PM +0000, als%thangorodrim.ch@localhost wrote:
> [...]
> 
> I can then connect via "cu -l /dev/ttyU0 -s 115200" to an attached device,
> and disconnect via the "~." sequence. This works 1-2 times and then any further attempts to do so only yield "cu: link down" and then cu exiting.
> 

I've seen this with other USB a non-USB serial ports.
Usually this is because the serial port is not completely closed (cu usually
has 2 processes running, one may be left over when exiting).
killing the leftover processes allows a new cu session to start

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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