USB->Serial adapter, how to make /dev/cuad* appear?
rsmith at xs4all.nl
Wed Oct 24 09:28:53 PDT 2007
On Wed, Oct 24, 2007 at 05:23:48PM +0200, Benjamin Lutz wrote:
> On 2007-10-24 17:15, Roland Smith wrote:
> > On Wed, Oct 24, 2007 at 09:26:20AM +0200, Benjamin Lutz wrote:
> > > > Does the onboard serial port work via USB? How odd! On my standard PC,
> > > > the serial ports are driven by the sio driver, and have /dev/cuad* and
> > > > /dev/ttyd* devices, noc cuaU.
> > >
> > > No, that one's a standard serial port, driven by sio as well, and
> > > creates /dev/cuad0, /dev/cuaU0, maybe some /dev/tty* as well, I don't know.
> > How do you know that cuaU0 belongs to the sio driver? It should belong
> > to ucom.
> > According to the manual, sio(4) devices only create ttyd and cuad devices.
> I'm guessing based on its timestamp pointing to the last system boot,
> when the USB adapter wasn't connected, based on the device persisting
> when I unplug the USB adapter.
Is ucom loaded as a module? If so, try unloading and re-loading it and uplcom.
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