[LAU] options for hard real time kernel for raring 13.04

Nicola nicola.di.marzo at vodafone.it
Wed Sep 11 10:17:58 UTC 2013

On 11/09/13 10:50, Raffaele Morelli wrote:
> 2013/9/11 Marco Donnarumma <devel at thesaddj.com
> <mailto:devel at thesaddj.com>>
>     Hey all,
>     I just switched to Mint Olivia 15 (based on Ubuntu Raring 13.04).
>     I use quite cpu-intensive puredata patches with processing of 2
>     live audio inputs on a firewire soundcard through ffado and
>     qjackctl (jack2).
>     Although my machine runs a low-latency kernel and it has been
>     configured for pro audio (I use the realtimeConfigurationScan
>     script), I still get xruns and sometimes qjackctl randomly hangs
>     up making the sound to stop completely.
>     Before, I used to work with ubuntu 10.04 and rt-kernel without a
>     itch. Is anybody still using a rt-kernel with the latest Mint or
>     Ubuntu, or just refining settings etc..?
>     if a rt-kernel is the best option, should I patch mine, since it
>     looks like there are no packaged rt-kernels for Raring?
>     Can't access Abogani ppa, and KXS kernels are available up to Precise.
>     thanks in advance for any hint, or suggestions about what to try!
>     best wishes
Hi Marco,

I recompiled a real time kernel for 13.04 following the system
configuration guide (in this case the italian translation that reports

I'm using an hp pavilion 6 laptop with the ua-25 ex soundcard and with
this particular real time Kernel everything works fine.
1 xrun discovered at 5,8 ms latency in 3 hours session, recording and
mixing with Ardour.

Best regards
> compiling a RT kernel is quite straightforward, BTW you can install a
> debian rt kernel: http://packages.debian.org/jessie/linux-image-rt-amd64
> /r
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> Linux-audio-user at lists.linuxaudio.org
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