Re: [Xenomai-help] Timer problems?

[Philippe Gerum <rpm@xenomai.org>]

On Sun, 2006-08-27 at 14:24 +0200, Bernhard Walle wrote:
> Hello Philippe,
> 
> * Philippe Gerum <rpm@xenomai.org> [2006-08-27 14:08]:
> > With Linux 2.4, the sound generator is reached through a callback
> > pointer, so Xenomai just routes the latter to a dummy routine, and we
> > are done. With Linux 2.6, the callback has disappeared from the vanilla
> > kernel, and sound event requests are sent to the input sub-system for
> > processing, where we have currently no hack to void them. This is the
> > reason why disabling CONFIG_VT entirely is recommended when there is a
> > risk of conflict (which is rather drastic, I agree).
> 
> Why not patching the kernel at this point? Xenomai requires a kernel
> patch anyway.

This is why I did refer to Adeos as a mean to silence the speaker code,
as a last resort action (we need to keep this layer away from the
kitchen-sink disease). However, switching off CONFIG_PCSPKR would solve
the issue in a much more acceptable way.

> 
> 
> Regards, 
>   Bernhard
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-- 
Philippe.