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List:       caldera-users
Subject:    Re:  Re: 2 Monitors + COL Wkstn  [delivery failure to ziad@m1.sprynet.com]
From:       Interserv Operations <postmaster () sprynet ! com>
Date:       1997-01-08 4:31:14
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-----[ Orginal mail message follows ]-------------


> 
> 
> >> along these same lines is it possible to make a serial console your MAIN
> >> console, instead of vga? I have looked EVERYWHERE for how to do this
> >> because we have a serial console system and it would be nice to make the
> >> linux boxes do this too...
> >
> >The following may be dangerous, so it's worth bouncing off others who
> >may know better, but what about this...
> >
> >It is my experience on other versions of Unix that system messages are
> >usually sent to the 'filename' /dev/console, whatever that happens to
> >be linked to. I've seen some systems where linking /dev/console to the
> >appropriate serial device is enough to "reroute" bootup commands. The big
> 
> This is only good for the messages that are output *after* init is
> started.  It's better than nothing, but you need the aforementioned
> serial console patch if you want to see the kernel messages, too.
> 
> >question mark here (and why this solution *may* not be appropriate for Linux)
> >is that the serial port must be in a sane (and known) state before the system
> >initialization takes place; would the serial port(s) be in a usable state
> >before running LILO?
> 
> LILO already has support for sending its output to a serial port, so
> I assume it does the initialization.  If not, I'm sure the kernel patch
> floating around does it.  I understand it also has a cool debug monitor
> implemented as well, but it's not portable at all.
> 
> >I know, for instance, that AIX servers do this because their *only* console
> >is a serial port. But I don't know about Linux.
> 
> Well, the patches have been around, but folks have put so much
> cruft in there (like the debug monitor) that Linus hasn't put them
> into the stock sources for one reason or another.  I really wish
> he'd get that worked out.
> 
> 
> --Donnie
> 
> --
>  Donnie Barnes  http://www.redhat.com/~djb  djb@redhat.com  "Bah."
>      "I never saw it fail.  Nobody knows more than a rookie."
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> _Things You'd NEVER Expect A Southerner To Say_ by Vic Henley:
> **  NASCAR racing is just one long left turn.
> 

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