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Date: Mon, 29 Jul 2002 16:02:26 -0600
From: Ray Friess <rayfri@networld.com>
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To: Pavel Machek <pavel@suse.cz>
CC: Andrew Rodland <arodland@noln.com>, "David D. Hagood" <wowbagger@sktc.net>,
       linux-kernel@vger.kernel.org
Subject: Re: Speaker twiddling [was: Re: Panicking in morse code]
References: <20020727000005.54da5431.arodland@noln.com> <200207270526.g6R5Qw942780@saturn.cs.uml.edu> <20020727015703.21f47a37.arodland@noln.com> <3D4298C6.9080103@sktc.net> <20020727114509.0a1eee2a.arodland@noln.com> <20020729174734.B38@toy.ucw.cz>
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will someone turn off the damn server or something...  I've gotten this same
message 40 times already....



Pavel Machek wrote:

> Hi!
>
> > > I don't understand the direction this discussion is taking.
> > >
> > > Either you are trying to output the panic information with minimal
> > > hardware, and in a form a human might be able to decode, in which case
> > > the Morse option seems to me to be the best, or you are trying to
> > > panic in a machine readable format - in which case just dump the data
> > > out /dev/ttyS0 and be done with it!
> > >
> > > To my way of thinking, the idea of the Morse option is that if an oops
> > >
> > > happens when you are not expecting it, and you haven't set up any
> > > equipment to help you, you still have a shot at getting the data.
> >
> >
> > To my way of thinking, this is still 'minimal' -- it's just a different
> > minimum.
> >
> > It's the 'minimum' way to get the panic message out digitally, in such
> > a way that I might be able to recover it using a tape recorder or a
> > telephone. Actually, morse is probably that, but morse loses data and
> > doesn't have any redundancy.
>
> You don't need redundancy. You should just repeat message over and over
> and over and over and....
>
> If you don't want morse to loose data, invent new codes for different
> parenthesis etc.
>                                                                 Pavel
> --
> Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
> details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
>
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