ppp compression module aliases?

ppp compression module aliases?

[Jerry Quinn]

I have a question that I'm not sure is best directed to kernel people or
user-space people as it crosses the line.

After a bunch of time trying to figure out why the ppp compression
modules weren't getting loaded automatically, I traced it the fact that
the appropriate aliases are not present in /etc/conf.modules.

In particular, the following aliases are required:

ppp-compress-21	= bsd-compress
ppp-compress-24 = ppp-deflate
ppp-compress-26 = ppp-deflate

I vaguely remember seeing this advice once in the past which I promptly
forgot.  So now I'd like to save others the headache and make sure this
get set up right.

The current situation is as follows: 

* modprobe 2.1.121 (which is apparently still the current version for R5
as of may 23 - I haven't reupdated) doesn't know these aliases

* The PPP HOWTO and FAQ don't mention these aliases

* The NET3 HOWTO doesn't mention these aliases

* The R4 and R5 installation don't seem to create these aliases ( If I'm
wrong about this and my install is broken, please let me know :-)

I figured this out by browsing the kernel sources ( not a bad activity,
but this info should also be elsewhere :-).

So I guess what I'm asking is if this should be in the kernel
documentation somewhere, some other documentation, or somewhere else. 
Or all of the above.

Or am I just misconfigured?

Thanks,


-- 
Jerry Quinn                             Tel: (514) 761-8737
jquinn@nortelnetworks.com               Fax: (514) 761-8505
Speech Recognition Research

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Re: ppp compression module aliases?

[puetzk6715]

The easiest way to get all this stuff right is 

modprobe -c > /etc/conf.modules

the -c argument causes modprobe to print a complete conf.modules (less any
strange stuff specific to your machine), so I just redirect it to the
file. The installer should do this, though...

Hmm... or did you mean modprobe left these out of its generated file when
you said 'modprobe doesn't know these aliases'. It only (as far as I know)
follows directives in the file, not other ones it knows.

On Sun, 20 Jun 1999, Jerry Quinn wrote:

> 
> I have a question that I'm not sure is best directed to kernel people or
> user-space people as it crosses the line.
> 
> After a bunch of time trying to figure out why the ppp compression
> modules weren't getting loaded automatically, I traced it the fact that
> the appropriate aliases are not present in /etc/conf.modules.
> 
> In particular, the following aliases are required:
> 
> ppp-compress-21	= bsd-compress
> ppp-compress-24 = ppp-deflate
> ppp-compress-26 = ppp-deflate
> 
> I vaguely remember seeing this advice once in the past which I promptly
> forgot.  So now I'd like to save others the headache and make sure this
> get set up right.
> 
> The current situation is as follows: 
> 
> * modprobe 2.1.121 (which is apparently still the current version for R5
> as of may 23 - I haven't reupdated) doesn't know these aliases


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Re: ppp compression module aliases?

[Jerry Quinn]

puetzk6715@uni.edu wrote:
> 
> The easiest way to get all this stuff right is
> 
> modprobe -c > /etc/conf.modules
> 
> the -c argument causes modprobe to print a complete conf.modules (less any
> strange stuff specific to your machine), so I just redirect it to the
> file. The installer should do this, though...
> 
> Hmm... or did you mean modprobe left these out of its generated file when
> you said 'modprobe doesn't know these aliases'. It only (as far as I know)

Yes.  modprobe -c doesn't include ppp-compress aliases, at least my
version doesn't have them.


> 
> On Sun, 20 Jun 1999, Jerry Quinn wrote:
> 
> >
> > I have a question that I'm not sure is best directed to kernel people or
> > user-space people as it crosses the line.
> >
> > After a bunch of time trying to figure out why the ppp compression
> > modules weren't getting loaded automatically, I traced it the fact that
> > the appropriate aliases are not present in /etc/conf.modules.
> >
> > In particular, the following aliases are required:
> >
> > ppp-compress-21       = bsd-compress
> > ppp-compress-24 = ppp-deflate
> > ppp-compress-26 = ppp-deflate
> >


-- 
Jerry Quinn                             Tel: (514) 761-8737
jquinn@nortelnetworks.com               Fax: (514) 761-8505
Speech Recognition Research

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Re: ppp compression module aliases?

[Paul Mackerras]

Jerry Quinn <jquinn@nortelnetworks.com> wrote:

> Yes.  modprobe -c doesn't include ppp-compress aliases, at least my
> version doesn't have them.

I have just checked in a change to modutils on vger which adds the
ppp-compress aliases.

Paul.

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Re[2]: ppp compression module aliases?

[Barrie Spence]

puetzk6715@uni.edu wrote:
> 
> The easiest way to get all this stuff right is 
> 
> modprobe -c > /etc/conf.modules
> 
> the -c argument causes modprobe to print a complete conf.modules (less
> any
> strange stuff specific to your machine), so I just redirect it to the
> file. The installer should do this, though...

Why should it? (when it isn't necessary). The -c switch tells 
modprobe to list its compiled-in configuration, so there 
is no point in dumping it all to the config file. Adding
the aliases for the ppp-compress options is all that is 
needed.

Barrie


--
Barrie Spence			Sanity Clause? There is no Sanity Clause
Home: barrie@calvin.demon.co.uk		Telephone +44 1506 442304
Play: b.spence@computer.org		

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