Re: [LAU] RT kern for Raspberry Pi?

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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