Serial consoles and remote GDB

[Lanny Baron]

I use tip com1 to go out serial to serial of other server's redirected
console.

Just check /etc/remote and make sure you have a line as follows:

	sio0|com1:dv=/dev/cuaa0:br#9600:pa=none:

But if you do serious console redirection, get a decent Terminal Server
to which you ssh to the Terminal Server and then use its own commands to
connect to your serial console(s).

Regards,
Lanny

On Thu, 2004-09-09 at 00:39, Greg 'groggy' Lehey wrote:
> On Monday, 30 August 2004 at 14:11:49 -0400, Rob Deker wrote:
> >
> > Stephan Uphoff wrote:
> >
> >> Are you sure that your serial line is configured with the right
> >> baud rate?
> >
> > This may seem a stupid question, but how do I set the baudrate on
> > the port and in gdb?
> 
> The default bit rate is 9600 bps.  It would be nice to go higher, but
> there appear to be race conditions which make it unreliable.  At least
> initially, you should run at 9600 bps; after that, there are ways of
> changing the rate that are themselves changing.  Check the kernel
> configuration files and sysctl.
> 
> To set the bit rate on the port depends on what software you're
> using.  I still use cu, though it's now gone from the base system,
> along with its parent uucp.  With cu you'd do:
> 
>   cu -s 9600 -l /dev/cuaa0
> 
> You can do something similar with tip, which is still around.
> 
> If you have a firewire connection, that's *much* better.  Before you
> say "no, I don't have that", consider that firewire hardware is very
> cheap.  There's some stuff about it in
> http://www.lemis.com/papers/AUUG2004/tutorial.pdf, but it would be
> nice if somebody were to extract this information and put it in the
> handbook.  If anybody wants to, please contact me and I'll supply the
> source.
> 
> Greg
> --
> See complete headers for address and phone numbers.
-- 
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Lanny Baron
Proud to be 100% FreeBSD
http://www.FreeBSDsystems.COM
Toll Free: 1.877.963.1900
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