My system now is this : <br>2.6.38-8-lowlatency #42+all1~natty1-Ubuntu SMP PREEMPT Fri Apr 29 03:22:51 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux<br><br>It already says PREEMPT aparently, but no rt.<br><br>thanks for looking into this, might make life much easier :-).<br>
<br><br clear="all"><a href="http://www.bartart3d.be/">http://www.bartart3d.be/</a><br>
<br><br><div class="gmail_quote">2011/6/5 Ralf Mardorf <span dir="ltr"><<a href="mailto:ralf.mardorf@alice-dsl.net">ralf.mardorf@alice-dsl.net</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On Sun, 2011-06-05 at 12:20 +0200, bart deruyter wrote:<br>
> Ralf,<br>
><br>
> thanks for the explanation. It does work better with the performance<br>
> setting. I do still get xruns when using midi though. Using<br>
> sooperlooper, I trigger recording with the pedal of my keyboard,<br>
> through an usb2midi misport2x2.<br>
><br>
> I guess the search for the PREEMPT_RT kernel is in place.. is there a<br>
> PPA I could use, or do I have to build it myself? Or is it the<br>
> linux-headers-2.6.31-12-realtime? I have it listed in the falk-tx<br>
> ppa.<br>
><br>
> grtz,<br>
> Bart<br>
<br>
</div>What architecture do you run, 32-bit or 64-bit and what is the version<br>
of the generic kernel you run?<br>
<br>
uname -a<br>
<br>
will show you.<br>
<br>
I can send a script that will build a kernel-rt automatically. Since you<br>
use the generic kernel, you could try the preempt only kernel for Ubuntu<br>
Studio. IMO it's better to use a PREEMPT RT instead of a PREEMPT only,<br>
but perhaps it works for you. Perhaps it's in a repository, see<br>
<a href="https://launchpad.net/%7Eabogani/+archive/ppa?field.series_filter=natty" target="_blank">https://launchpad.net/~abogani/+archive/ppa?field.series_filter=natty</a><br>
<div><div></div><div class="h5"><br>
Hth,<br>
<br>
Ralf<br>
<br>
<br>
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