[LAU] Fwd: [linux-audio-user] Real-time kernel

[Loki Davison]

On 6/27/07, Ken Restivo <ken at restivo.org> wrote:
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> On Tue, Jun 26, 2007 at 10:35:20AM -0400, Paul Coccoli wrote:
> > On 6/26/07, Chuckk Hubbard <badmuthahubbard at gmail.com> wrote:
> > >64studio:/mnt/win/Linux# cat /proc/asound/cards
> > > 0 [SB             ]: HDA-Intel - HDA ATI SB
> > >                      HDA ATI SB at 0xc0000000 irq 16
> > >
> >
> > Well there's your problem.  Maybe.  Has anyone got an hda-intel setup
> > that works well with jack?  IIRC, hda-intel is problematic in that
> > each manufacturer's implementation of this "standard" is different.  I
> > could be totally wrong here though.
>
>
> hda-intel is, I'm told, complete shit. ALSA developers basicaly told me to
> forget about it ever working right; the chip sucks and is poorly-documented.
> Each laptop manufacturer implements it their own way, and doesn't document
> it, just hacks around it in their proprietary drivers. Look around the ALSA
> list to find out more.
>
>
> Also,  there is nothing wrong with the ac, battery, temperature, and other
> ACPI modules. In fact you may need them in order for your CPU to run safely
> (i.e. temperature warnings).
>
> It's the cpufreq stuff that you should definitely remove from the kernel. Or
> blacklist it in udev/hotplug. Basically yank all the governors and run
> without any. There is no governor anywhere.
>

cpufreq with the userspace governor controlled with powernowd works
fine here with rt and jack. As i mentioned before, buying a soundcard
that isn't crap can only help. ;)

Loki
> >