getty + cu, blocking mode, dialout
Victor Sudakov
vas at mpeks.tomsk.su
Thu Apr 26 05:57:45 UTC 2012
Colleagues,
If there is a getty on /dev/ttyu0, should I be able to dialout from
the /dev/cuau0 device? I remember that several years ago a getty did
not interfere with dialout if you used a special dialout device, but
now it does not seem to be the case:
# cu -s 9600 -l /dev/cuau0
link down
# grep ttyu0 /etc/ttys
ttyu0 "/usr/libexec/getty ppp.57600" dialup on insecure
#
# grep -A4 ppp.57600 /etc/gettytab
ppp.57600:\
:im=User Access Verification\n\n:\
:pp=/etc/ppp/ppplogin:\
:tc=std.57600:
#
I can only dialout after setting ttyu0 to off and "init q". It is all
happening on 8.2-RELEASE-p6 i386. There is an external modem attached
to the ttyu0 line.
Here is a ktrace of cu: http://zalil.ru/33111377
Thank you very much for any input.
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru
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