[linux-dvb] Re: how-to for newbies

["Marlow, Robin" <robin.marlow@imperial.ac.uk>]

I downloaded the DVB part of the CVS (it looked like that was effectively
rc3)

I am using devfs & copied the devfs.conf to /etc/devfs/something i can't
remember/dvb.conf
(where all the other devfs.conf files are).  Now if i modprobe dvb-core i
get a /dev/dvb but nothing in it.

My only ideas as to why it might not be working is that either:
	Is DVB the right package for me to be using for the nebula card, or
should i be using dvb-kernel/build-2.4 (or are they the same?)

	When i compile DVB is it finding the right sources for bttv (or does
this matter?) as the ones in the kernel tree are the standard 2.4.20 ones,
even though i am running bttv 0.9.4.  When i compile DVB it has lots of
warnings about reference to previous something (sorry i can't remember
exactly what & am at uni, so can't try it again atm)....but it doesn't stop
it.

Another query i have about using the DVB package, you can type make in the
root of it & everything gets built.  But if you do as INSTALL says & then
try 'make insmod' it says it can't.  You have to go into the drivers folder
and say 'make install' there instead.  Is this a mistake in the Makefile -
or in the instructions? Or the root of all my problems ;o)

Cheers,

	Robin


-----Original Message-----
From: Holger Waechtler [mailto:holger@convergence.de]
Sent: 14 April 2003 11:18
To: Robin Marlow
Cc: Alex Woods; linux dvb
Subject: Re: [linux-dvb] Re: how-to for newbies


Robin Marlow wrote:
> Ok, I started with kernel 2.4.21mdk91.  When I applied the bttv patch,
> (manually as it wouldn't play nicely) everything compiled fine - but it
> wouldn't boot.  When depmod ran it caused a stack trace to be produced &
> then hung irreversibly when loading another module.
> So i thought i should use the version of bttv that the patch was written
for
> (bttv-0.9.4)  But it says that to use this you have to use a specially
> patched kernel 2.4.20-kraxel.  So i got this kernel, patched it to Kraxel
&
> compiled it and the modules.  Then compiled the patched bttv module.
This
> installed too... i was almost getting optimistic!

looks good so far.


> So i made the dvb-kernel from the download package, but the make install

what download package are you talking about? dvb-kernel is in CVS only. 
You only need the DVB/-tree (or the tarball) for the test applications only.


> didn't do anything (there isn't a make install).  so i made the cvs
version
> & that did install.  I copied the sandy heath (i live in london & it
sounded
> the closest) channel.config to the .szap directory, but it still
complained

you have to copy the config file to ~/.tzap/channels.conf.


> about there being no /dev/dvb something.  So i thought that it wasn't
> loading the modules correctly & out of desparation added what i found in
the
> modules.conf in the linuxtv-dvb package to mine.

have you run the makedev.napi script? This is necessairy for non-devfs 
systems. You find this script in the driver directory in the DVB/-tree. 
However, to avoid such troubles in the future I'd everybody recommend to 
use devfs.

Holger


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