From: ALLAN HAWDON (allan.hawdon@kcl.ac.uk)
Date: Thu Oct 10 2002 - 07:07:48 EDT
Hi,
I've got an ES40 running Tru64 v5.0A and I'm a little puzzled about
the serial ports.
When I tried connecting a VT terminal to one of the ports nothing
would happen. The /etc/inittab file looked like this
is:3:initdefault:
ss:Ss:wait:/sbin/rc0 shutdown < /dev/console > /dev/console 2>&1
s0:0:wait:/sbin/rc0 off < /dev/console > /dev/console 2>&1
fs:23:wait:/sbin/bcheckrc < /dev/console > /dev/console 2>&1
kls:Ss:sysinit:/sbin/kloadsrv < /dev/console > /dev/console 2>&1
hsd:Ss:sysinit:/sbin/hotswapd < /dev/console > /dev/console 2>&1
sysconfig:23:wait:/sbin/init.d/autosysconfig start < /dev/console > /dev/console
2>&1
update:23:wait:/sbin/update > /dev/console 2>&1
smsync:23:wait:/sbin/sysconfig -r vfs smoothsync-age=30 > /dev/null 2>&1
smsyncS:Ss:wait:/sbin/sysconfig -r vfs smoothsync-age=0 > /dev/null 2>&1
it:23:wait:/sbin/it < /dev/console > /dev/console 2>&1
kmk:3:wait:/sbin/kmknod > /dev/console 2>&1
s2:23:wait:/sbin/rc2 < /dev/console > /dev/console 2>&1
s3:3:wait:/sbin/rc3 < /dev/console > /dev/console 2>&1
cons:1234:respawn:/usr/sbin/getty console console vt100
Then after digging around in the docs, I tried adding the following two
lines (I'm not really sure what I'm doing at this point)
tty00:23:respawn:/usr/sbin/getty /dev/tty00 9600 vt100
tty01:23:respawn:/usr/sbin/getty /dev/tty01 9600 vt100
then did an init q and voila the terminal works.
Now what puzzles me is that the ports on an adjacent 4000, running the
same version of Tru64, seem to work just fine without the above
lines. Is anyone able to explain this discrepancy or have I just got
around a more subtle problem with the above?
On what may be a related note or may just be a coincidence, I'm trying
to install some Powerware Onlinet UPS management software on the ES40.
This needs to use one of the serial ports. It is already working on the
4000 (in fact, what we're doing is moving the UPS from the 4000 to the
ES40), but when I run the installion script on the ES40, it fails to
find any serial ports and I'm wondering if this is related.
Any hints gratefully received.
regards
Allan Hawdon
Information Systems
King's College London
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