On 12/25/11 04:45, Warren Block wrote:
On Sat, 24 Dec 2011, Matthew Luckie wrote:
However, when I use cu on the laptop:
sudo cu -l /dev/cuaU0 -s 9600
I never get a login prompt. If I press enter, the cursor scrolls down.
Likewise other characters echo back. I'm reasonably sure that I'm
connected to the appropriate com port on the server because if I plug
it into the other com port and press enter, nothing happens.
Might there be something else on the server using/trying to use that com
port at the same time, like apcupsd?
Running cu on the server (after resetting the config) would allow
manually typing characters to see if they come out of the right port.
Thanks for your reply, Warren.
I do run apcupsd, though it uses a usb port for communications with the
UPS and is configured to do so. I turned apcupsd off in rc.conf, as
well as commented out the getty line for the port, and rebooted the
system. Then, I used cu on the server and found characters were sent
both ways over the serial cable.
I then added the /etc/ttys entry back and rebooted. When I used cu on
the laptop it behaved as before -- i.e. no login prompt. If I tried
using cu on the server, it timed out after about 10 seconds and said
"link down".
Any further tips? I've put the server's apcupsd.conf, /etc/rc.conf, and
dmesg.boot at
http://www.wand.net.nz/~mluckie/apcupsd.conf
http://www.wand.net.nz/~mluckie/rc.conf
http://www.wand.net.nz/~mluckie/dmesg.boot
Matthew
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