Hi again, Thanks for the replies !
I suggest to Try the 2.6.16-multimedia kernel that it's into Musix, Also, the 2.6-16-beyond4.1 it's a realtime kernel...
Ok, I'll try the multimedia one.
To try it, start jack and type into a konsole: ps -C jackd -cmL
my output is : PID LWP CLS PRI TTY TIME CMD 14745 - - - ? 00:00:00 jackd - 14745 TS 7 - 00:00:00 - - 14746 TS 34 - 00:00:00 - - 14747 TS 22 - 00:00:00 - - 14748 #4 40 - 00:00:00 - - 14749 #4 40 - 00:00:00 - So, no FF.. Does this mean no realtime kernel or no jackd realtime support?
Julien: is realtime-lsm loaded? Type into a konsole: lsmod | grep realtime
The output from this comand is : realtime 5384 0 commoncap 6912 1 realtime Is this realtime-lsm? (When I do apt-get install realtime-lsm it says it is already installed. But do I have to turn it on? Or it is the above and is ok?)
If you want more evidences: marcos@musix099b16:~$ cat /boot/config-2.6.17-2-multimedia-486 | grep -i realtime CONFIG_SECURITY_REALTIME=m
Mine is : cat /boot/config-2.6.16-beyond4.1 |grep -i realtime CONFIG_SECURITY_REALTIME=m So it seems ok.
Julien, what could be wrong with zynaddsubfx? or does it happends with any other apps? Well, the tons of xruns and sound saturation comes only with zynaddsubfx with that SPECIFIC configuration. That is : midi keyboard -->midi input to freewheeling -->midi output to zynaddsubfx -->audio output back to freewheeling -->audio output to alsa_pcm.
I don't know what is bad with that configuration. May be it is the fact that it makes a kind of loop, and so has to take too much time.. But in general, all soundfonts I use sound crap too. No saturation, but bad sound quality (for that, I don't know, may be I only have bad soundfonts) So..let's summarize. With the commands you made me run, It seems I have realtime kernel and realtime-lsm..but on the other hand, it seems jackd is not realtime..?? Is your advice still to try the 2.16-multimedia? Thanks !