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Old 10-18-2008, 01:00 PM
Mac
 
Default Ubuntu-Studio-users Digest, Vol 18, Issue 30

> Message: 3
> Date: Fri, 17 Oct 2008 14:53:56 +0300
> From: Janne Jokitalo <astraljava@kapsi.fi>
> Subject: Re: Studio rt kernel install woes
> To: ubuntu-studio-users@lists.ubuntu.com
> Message-ID: <20081017115356.GA24549@lakka.kapsi.fi>
> Content-Type: text/plain; charset=us-ascii
>
> Mac,
>
> please don't top-post replies, breaks the logic-chain. (re-ordered the post for your
> convenience)
>
> On Fri, Oct 17, 2008 at 07:28:38AM -0400, suemac@empire.net wrote:
> > Date: Wed, 15 Oct 2008 21:03:19 -0400
> > From: "Cory K." <coryisatm@gmail.com>
> > Subject: Re: Studio rt kernel install woes
> >
> > >I'm sorry but as long as you're trying Hardy *sudo apt-get install
> > >linux-rt* is all you need. It will give you everything -generic has.
> >
> > Cory,
> >
> > Are you saying that when I boot after the -rt install it should look like
> > the -generic?
> >
> > or that using apt-get instead of synaptic knows some magic that loads
> > modules and drivers the the generic knows about?
>
> What Cory is saying, is that the linux-rt metapackage pulls in all relevant
> other packages for running the machine with just as good efficiency than the
> -generic does.
>
> Take a look at it yourself:
>
> jaska@scapa:~ 14:49:42 $ apt-cache show linux-rt
> Package: linux-rt
> Priority: optional
> Section: multiverse/metapackages
> Installed-Size: 52
> Maintainer: Ubuntu Kernel Team <kernel-team@lists.ubuntu.com>
> Architecture: i386
> Source: linux-meta
> Version: 2.6.24.21.23
> Depends: linux-image-rt (= 2.6.24.21.23), linux-restricted-modules-rt (=
> 2.6.24.21.23)
> Filename: pool/multiverse/l/linux-meta/linux-rt_2.6.24.21.23_i386.deb
> Size: 26486
> MD5sum: 0406c65422d2576bf28f2257f63ca907
> SHA1: 78904e9eb94291c18647294c79bdd5103b909b9c
> SHA256: d82b89ccffc036f34bd47bb634cdf075486c44d456d6aee14b ee9882ee4fbb1b
> Description: Complete rt Linux kernel
> This package will always depend on the latest complete rt Linux kernel
> available.
> Bugs: mailto:ubuntu-users@lists.ubuntu.com
> Origin: Ubuntu
>
> --
> Jaska
>
Happy to abide the the list preferences... in 30 years of using lists
I've never heard that it mattered. ;-)

As for the -rt kernel, sure it gets all the stuff it needs...but, after
I put added the -rt kernel my video drivers don't work, my wireless
doesn't work, my lan connection doesn't work. (As explained in my
earlier posts.)

I now after much research and list discussions understand that there may
be modules that need to be added to the -rt kernel, which I mistakenly
hoped would be sussed out by the -rt install package automatically,
since they already reside on the machine.

If there is a way to tell the -rt install to do this, I would be very
interested. Failing that, when I get back to work on this project I need
to figure out how to figure out what was added to the generic kernel and
then figure out how to add them to the -rt. At that point I'll probably
be asking a lot more questions...

Thanks for all the help!

Regards,
Mac


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Old 10-18-2008, 06:10 PM
Gustin Johnson
 
Default Ubuntu-Studio-users Digest, Vol 18, Issue 30

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Mac wrote:
>>
> Happy to abide the the list preferences... in 30 years of using lists
> I've never heard that it mattered. ;-)
>
One more tip, if you are actively engaging in a topic, it might be
better to switch off the digest mode. Your thread is pretty fragmented
which makes it harder to follow. I may be asking questions that you
answered already.

> As for the -rt kernel, sure it gets all the stuff it needs...but, after
> I put added the -rt kernel my video drivers don't work, my wireless
> doesn't work, my lan connection doesn't work. (As explained in my
> earlier posts.)

The video makes sense if you have an nVidia or ATI video card. THe
wireless makes sense if you were using ndiswrapper. The LAN does not
really make sense.

It would be a good idea to post the output if lspci. You do not need
any flags to get me the information I am looking for.
>
> I now after much research and list discussions understand that there may
> be modules that need to be added to the -rt kernel, which I mistakenly
> hoped would be sussed out by the -rt install package automatically,
> since they already reside on the machine.
>
The kernels have the same modules. Where things get complicated is with
binary only (aka proprietary) drivers and driver hacks (ndiswrapper is a
good example of a dirty hack). These will probably not be handled
automatically. Chances are you had to do something to get them to work
in the first place. You may have had to install the restricted drivers
package (or you may have been prompted).

This makes choosing hardware more important than ever, IMO.

> If there is a way to tell the -rt install to do this, I would be very
> interested. Failing that, when I get back to work on this project I need
> to figure out how to figure out what was added to the generic kernel and
> then figure out how to add them to the -rt. At that point I'll probably
> be asking a lot more questions...

First things first, what hardware have you got? Give us the output from
lspci please.
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iD8DBQFI+iaYwRXgH3rKGfMRAt3oAJ9Pk6lQgKX9564bE6ObgO iNP40CUQCggpTr
R7yAlY4f49cx8wMVuxtpA2Y=
=kurD
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