Re: Reset USB after printer reattach?

[Paul Goyette <paul%whooppee.com@localhost>]

On Wed, 4 Dec 2013, Moritz Wilhelmy wrote:

> Hello,
>
> I occasionally turn my USB printer off and on again, after which it
> doesn't reattach to ulpt0 or show up in dmesg, same thing if I
> physically remove and reattach the USB cable. Rebooting fixes it, but
> I'd preferably not do that each time I reattach USB devices.
>
> Host machine is a Raspberry Pi running
> NetBSD raspi 6.99.24 NetBSD 6.99.24 (RPI) #0: Wed Oct  2 13:06:35 UTC 2013  
> builds%b6.netbsd.org@localhost:/home/builds/ab/HEAD/evbarm-earmhf/201310020850Z-obj/home/builds/ab/HEAD/src/sys/arch/evbarm/compile/RPI
>  evbarm
>
> Printer is a Samsung CLX 3185.
>
> Any ideas how to force-reset USB?

Have you tried

        drvctl -s <parent device>

??


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