You might want to use jack time machine instead, it uses a lot less
resources than ardour, so I tend to use that for recording csound to
allow csound to have the lion's share of system resources. Then you
could run a more lightweight wind manager like wmmaker or openstep or
blackbox instead of gnome or kde, since those take a lot more system
resources than the lightweight managers.

Also you may want to try running csound as root, that can make a
difference as well.

On Wed, Oct 22, 2008 at 11:16 PM, Hector Centeno <hcengar@gmail.com> wrote:
> Hello,
>
> I just worked on a project that involved recording several tracks of
> sound synthesized by Csound in realtime (tried both official 5.09 and
> CVS build) plus ambisonic ladspa panners, ambdec (ambisonic decoder)
> and jconv (convolution application). I started this project using
> Ubuntu Studio Linux and ended it with OpenSuse (both using their
> respective RT kernels and getting same problems with both). It became
> a very unstable combination since every time I stopped Csound,
> randomly Ardour would disconnect from jack or jack would crash, and
> then I was unable to make Ardour reconnect after restarting jack (it
> would complain about not being able to reconnect the ports). It was
> happening so regularly that I had ready on my desktop a couple of
> scripts to restart everything.
>
> Is there anything I could do to avoid this? Is it Csounds fault? Is it
> my system? Jack is running like this: jackd -R -P60 -p1024 -t2000 -u
> -dfreebob -r48000 -p1024 -n3 -D (using a Edirol FA-101). Could this be
> a realtime priorities issue? I installed the rtirq script by Rui Nuno
> Capela tunned to prioritize the firewire ports and made sure Jack is
> running at a lower priority (firewire is at 70). Jack's version is
> 0.109.2 and Ardour's is 2.5.
>
> I will appreciate any help to make my system stabler.
>
>
> Thanks!
>
> Hector
>
>
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