Hi,
At Thu, 14 Sep 2006 12:40:13 +0200,
Jonathan McKeown wrote:
On Wednesday 13 September 2006 14:59, Jonathan McKeown wrote:
I'm using my laptop and tip(1) as a serial terminal. This is working well
when a machine is booted with the laptop connected to its serial port.
However, I need to be able to connect the laptop to a machine which was
booted without a serial console.
I've set the ttyd0 line in /etc/ttys and sigHUPed init. The machine is
still not recognising the presence of the ``serial terminal'' - the
getty(1) process on the server is not bound to a controlling terminal and
nothing is appearing in the tip(1) screen on the laptop.
OK, creating a line in /etc/ttys for cuad0 seems to have worked. Will that
cause problems later? I assume the problem is that the tip(1) process (or
possibly the USB-serial adapter) is not DTRT with respect to carrier. Is
there any other way round this?
Jonathan
Perhaps your serial cable is not a null-modem cable, but an interlink
cable. These are similar, but has different pin assignments.
The former generates a carrier signal but the latter is not.
See the FreeBSD Handbook:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/serial.html
By the way, if a serial port is set to the console, the port is set to
CLOCAL mode (see stty(1)). In this mode, getty(8) can output the
login prompt to the port without a carrier signal.
---
Watanabe Kazuhiro ([EMAIL PROTECTED])
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