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

["Robin Marlow" <Robin.Marlow@Imperial.ac.uk>]

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!

So i made the dvb-kernel from the download package, but the make install
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
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.  Then rebooted.  Everything
worked until it hung dead loading X.  When i gave up and had a beer & wrote
my angry email.

any idea?  i haven't!

Robin

----- Original Message -----
From: "Alex Woods" <linux-dvb@giblets.org>
To: "Robin Marlow" <Robin.Marlow@imperial.ac.uk>; "linux dvb"
<linux-dvb@linuxtv.org>
Sent: Saturday, April 12, 2003 10:45 PM
Subject: Re: [linux-dvb] how-to for newbies


> >     Is there any chance a kind soul would write one?
>
> I've knocked up a quick how-to on getting the kernel source configured and
> ready for building modules (any modules, it's not linux dvb specific)
> against.  It's aimed at people who don't want to build their own kernel,
but
> rather use the one that came with their distribution.  It's a bit rough
> around the edges, mind ;)
>
> You can find it here:
> http://giblets.org/howto/kernel-modules.html
>
> > I have been struggling to get my nebula (simply apply the kernel
patches)
> > card to work - and have tried different kernels - installed different
> > version of bttv patched the kernels, installed dvb-kernel, the list goes
on
> > and on.  But the bloody thing doesn't work.  And each step has a nasty
> > habit of stopping linux working at all.  My task for the evening is to
try
> > and figure how installing dvb-kernel has stopped X from loading.....  i
can
> > think of more things to do!
>
> Please provide some details as to what it is that isn't working.  It would
> also be useful to know what kernel you're using, what patches you've
applied,
> and any error messages you've encountered.  The odds are that someone can
> help you out pretty quickly if you can do this.
>
> > Any tips? Clues - or should i just give up.
>
> Don't give up, that won't get your card working ;)
>
> Try setting debug=1 when you insmod the modules.  Have a poke around in
the
> syslogs.  Try and figure out exactly what is failing.  Don't keep trying
> different versions, pick the latest stable (or unstable if your hardware
> isn't supported by stable) and stick with it until you know where the
problem
> lies.  Otherwise, you're just constantly moving the goalposts.
>
> When things get really frustrating, stop for a break and a beer equivalent
;)
>
> Cheers,
> Alex



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