Re: ucom(4) hang up

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Wed, 17 Feb 2010 10:39:05 +0100
Martin Husemann <martin%duskware.de@localhost> wrote:

> On Wed, Feb 17, 2010 at 04:17:38PM +0900, KIYOHARA Takashi wrote:
> > My ucom(4) devices (ucom@uftdi x2) hangs up when tip(1) is executed.
> 
> Do you mean "tip just hangs and does not talk to the modem" or "the
> modem disconnects imediately"?

In my case, kernel wedges to the point that switching virtual terminals
is not possible. No modem needed, this happens even if the serial port
is left floating.
When I find time I need to hook up a serial console.