Re: RT kern for Raspberry Pi?

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2014-05-17 8:54 GMT+02:00 Jeremy Jongepier <jeremy@xxxxxxxxxxxxxx>:
> On 05/17/2014 01:51 AM, Ken Restivo wrote:
>> On Fri, May 16, 2014 at 09:39:25AM +0200, Jeremy Jongepier wrote:
>>> On 05/16/2014 06:39 AM, Ken Restivo wrote:
>>>> Has anyone built one, i.e. off of latest Raspbian release, and made it available as a deb?
>>>>
>>>> For a while I thought about building one, but I kind of lost interest. Now feeling lazy and wondering if someone's already done it.
>>>
>>> Hello Ken,
>>>
>>> I have built RT kernels for Raspbian. No debs though :( I could upload a
>>> tarball with the kernel and modules if you'd like. For what it's worth,
>>> I have better results with the standard PREEMPT Raspbian kernel so I
>>> actually never use RT kernels on the RPi besides doing some testing.
>>>
>>
>> Thanks, yeah, it'd be cool to try them out.
>
> When I have something wrapped up I'll post a link.
>
>>
>> You're running jackd and softsynths with PREEMPT? Really? I've never had that work right ever. Always needs RT to get the latency to a playable state with no Xruns, at least on Intel which is all I've tried so far.
>>
>
> The Raspberry Pi is a different beast and I just get better results with
> the default PREEMPT kernel and some tweaking
> (http://wiki.linuxaudio.org/wiki/raspberrypi). I didn't really do any
> serious testing though, it was just that the RT kernels generated more
> xruns so I quickly went back to the default kernel.
>
> Jeremy
>
>
>
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>

Ken, I also use the Raspbian distro and kernel with a few tweaks to
the Raspberry config (Jeremy has great documentation on this) and
that's it.

It serves me well i.e. as a guitarr FX + looper station, controlled
via MIDI footpedalboard and this mobile panel/control GUI interface
that I'm developing so I don't need any screen attached to the RPi
with. I also use an external USB sound card.

So you can start right away and then tweak as you go.

-- 
C. sanchiavedraZ:
* NEW / NUEVO:     www.sanchiavedraZ.com
* Musix GNU+Linux: www.musix.es
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