On Mon, Jan 19, 2004 at 02:51:13PM +1300, Glenn McCord wrote: > I'm having no luck getting low latency with a 2.6 kernel. > I'm using the mm4 patches and have modified the capabilities.h file. > > I have this entered into fstab: > shmfs /dev/shm shm defaults 0 0 > none /dev/shm tmpfs defaults 0 0 > none /tmp/jack tmpfs defaults 0 0 > none /mnt/ramfs tmpfs defaults 0 0 > > and compiled jack with: > ./configure --with-default-tmpdir=/mnt/ramfs --enable-capabilities > --enable-realtime > > I want to use ardour so that was just a staight ./configure && make > > To run jack I go > jackstart -R -v -d alsa -d hw:0 -p 8192 > > My problem is that I get > **** alsa_pcm: xrun of at least xx.xxx msecs > all the time. I even get it when no audio programs are going. > AFAIK you have got your soundcard set up wrong. I have a SBLive and did not need any modules apart from the snd_emu10k1 one. I do get a few xruns when moving windows and switching between apps but that is with -p 512. I am also using the realtime LSM module rather than the hand edit option but I don't think that is your problem. What are the alsa bits in your /lib/modules/modprobe.conf (or /etc/modprobe.conf)? James