Garbage on the Serial Console

From: Eric Paul (epaul@profitlogic.com)
Date: Thu Jan 29 2004 - 15:45:44 EST


We have a number of Suns that we administer either via the serial port or a
RSC card. Sometimes, when logged in to the console on the serial port, the
display will become corrupted (either by catting a binary file or generating
an escape sequence somehow). I have tried everything I can think of to
reset this, but no dice.

I've tried:

/usr/ucb/reset
stty sane
echo ^v esc c

The only thing that does fix things is a reboot.

If I'm on a RSC card, if I exit the console back to ALOM, the display is
fine. Resetting the RSC doesn't help, as soon as I drop back to the
console, the display is messed up again.

I searched through the archives, and found one other person with the
problem, but no solution.
http://marc.theaimsgroup.com/?l=sun-managers&m=99548313924836&w=2

Is there any way to reset the console without rebooting the system?

Thanks in advance. I will summarize.

Eric
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