[LAU] Building a Debian realtime kernel

[nescivi]

Hiho,

On Monday 01 June 2009 05:40:24 Jan Weil wrote:
> (resent as it seems the ML is not fond of the attachment)
>
> Hi Marije,
>
> I also build an rt-kernel (2.6.29.2-rt10) for my Thinkpad T43 just a
> couple of weeks ago and I am very pleased to find it working well.

ok.

> On Sun, May 31, 2009 at 08:47:43PM -0400, nescivi wrote:
> > I've finally tried to make a realtime kernel for Debian, as posted on my
> > site here: http://www.nescivi.nl/?p=111 (and also below, but without
> > cross- references).
> >
> > However, I'm still getting xruns in jackd, at rather uncritical settings
> > (large period sizes...).
> >
> > So I'm wondering what else could be going wrong...
>
> Well, I don't know what might be missing in your config, but I put my
> config here <http://www.jawebada.de/bucket/config-2.6.29.2-rt10-T43> as
> a reference. The only problem is my Atheros WLAN controller, which
> causes periodic xruns. That is why I configured a separate audio
> runlevel without WLAN and a minimized process list. On the other hand,
> this is the first time that I can use an rt-kernel for daily use as WLAN
> and even suspend-to-ram work flawlessly.

Hmm...
I'll try turning of the WLan...


> > I also found it a bit weird that the Debian package building did not make
> > the initrd image.
>
> This might be related to a recent change in Debian's kernel-package (are
> we talking about the unstable branch?). Check
> /usr/share/doc/kernel-package/NEWS.Debian.gz and
> /usr/share/doc/kernel-package/README.gz in particular:
>
> "Note that you will have to arrange for the actual initrd creation to
> take place by installting a script like
> /usr/share/kerne-package/examples/etc/kernel/post{inst,rm}.d/yaird or,
> alternately,
> /usr/share/kerne-package/examples/etc/kernel/post{inst,rm}.d/initramfs
> into the correspondung directories /etc/kernel/post{inst,rm}.d, since
> the kernel-postinst does not arrange for the initramfs creatorto be
> called. You can thuse select your own; initramfs-tools or yaird."

Ah, ok.

I would have expected the option --init-rd to the packaging then to complain 
at least...

sincerely,
Marije