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From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: LILO and serial speeds over 9600
Date: 12 Feb 2001 10:47:50 -0800	[thread overview]
Message-ID: <969b4m$sbp$1@cesium.transmeta.com> (raw)
In-Reply-To: <Pine.LNX.4.10.10102120741290.3761-100000@main.cyclades.com> <Pine.LNX.4.10.10102120849580.3761-100000@main.cyclades.com>

Followup to:  <Pine.LNX.4.10.10102120849580.3761-100000@main.cyclades.com>
By author:    Ivan Passos <lists@cyclades.com>
In newsgroup: linux.dev.kernel
> 
> Since I still want to add support for speeds up to 115200, the other two
> questions are still up (see below):
> 
> > - If not, do I need to change just LILO to do that, or do I need to change
> >   the kernel as well (I don't think I'd need to do that too, as the serial 
> >   console kernel code does support up to 115.2Kbps, but it doesn't hurt to 
> >   ask ... ;) ??
> > - Does another bootloader (e.g. GRUB) support serial speeds higher than
> >   9600bps?? If so, which one(s)??
> 
> I'd really appreciate any help.
> 

SYSLINUX supports up to 57600 (it doesn't support 115200 because it
stores the number in a 16-bit register) but seriously... why the heck
does this matter?  It isn't booting the kernel off the serial line,
you know.  A console at 38400 is really quite sufficient... if you
need something more than that, you probably should be logging in via
the network.

I have toyed a few times about having a simple Ethernet- or UDP-based
console protocol (TCP is too heavyweight, sorry) where a machine would
seek out a console server on the network.  Anyone has any ideas about
it?

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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  reply	other threads:[~2001-02-12 18:48 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-12 15:45 LILO and serial speeds over 9600 Ivan Passos
2001-02-12 16:53 ` Ivan Passos
2001-02-12 18:47   ` H. Peter Anvin [this message]
2001-02-12 20:39     ` James Sutherland
2001-02-12 20:54       ` H. Peter Anvin
2001-02-12 22:55         ` James Sutherland
2001-02-14 11:45           ` Pavel Machek
2001-02-12 21:52       ` Alan Cox
2001-02-12 22:10         ` H. Peter Anvin
2001-02-12 22:25           ` Alan Cox
2001-02-12 23:11             ` Werner Almesberger
2001-02-12 23:16               ` Alan Cox
2001-02-12 23:20                 ` H. Peter Anvin
2001-02-12 23:27                   ` Alan Cox
2001-02-12 23:53                     ` H. Peter Anvin
2001-02-13  0:11                       ` Alan Cox
2001-02-13  0:17                         ` Tim Wright
2001-02-13  0:23                           ` H. Peter Anvin
2001-02-13 10:51                             ` Alan Cox
2001-02-13 10:57                               ` James Sutherland
2001-02-13 12:55                                 ` Russell King
2001-02-13 13:56                                   ` James Sutherland
2001-02-13  0:25                         ` H. Peter Anvin
2001-02-12 23:35                   ` James Sutherland
2001-02-12 23:51                     ` H. Peter Anvin
2001-02-13  0:24                       ` James Sutherland
2001-02-13  0:27                         ` H. Peter Anvin
2001-02-12 23:19             ` H. Peter Anvin
2001-02-12 23:23               ` Alan Cox
2001-02-14 11:53               ` Pavel Machek
2001-02-17 17:26                 ` Patrick Michael Kane
2001-02-17 17:40                   ` James Sutherland
2001-02-21  3:11                     ` Network console project (was: LILO and serial speeds over 9600) H. Peter Anvin
2001-02-21  9:29                       ` Network console project Jan-Benedict Glaw
2001-02-22 21:52                       ` Network console project (was: LILO and serial speeds over 9600) Pavel Machek
2001-02-23 15:54                         ` Andreas Dilger
2001-02-12 22:46         ` LILO and serial speeds over 9600 James Sutherland
2001-02-12 22:50           ` Alan Cox
2001-02-12 18:51   ` H. Peter Anvin
2001-02-12 19:49     ` Scott Laird
2001-02-12 23:17       ` Ivan Passos
2001-02-12 23:30         ` Chris Wedgwood
2001-02-12 23:39         ` David Weinehall
2001-02-13  2:52         ` Michael Rothwell
     [not found] <Pine.LNX.4.21.0102131506230.30955-100000@lefty.dyndns.org>
2001-02-13  6:12 ` H. Peter Anvin

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